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Amc 360 rebuild tips to lose weight: I might try to rebuild my 304

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Lucas Cox
Friday, May 8, 2020
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  • I did the valley line oil mod. I'm putting the top end together nowEngine Quest heads with bronze valve guides, 2.

  • The ignition is upgraded with an MSD box. They are very detuned from the factory for mileage and emissions purposes.

  • This is important even with a hydraulic can so that you can properly adjust lifter preload.

  • I think with a smaller tire 33" and a shift kit in the tranny I could get it into the 14's. Brad says: December 7, at pm.

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Post Reply. Login or Sign Up Log in with. I also installed new push rods and Summit Roller tip rockers. Rich88 FSJ Maniac. Decent cam, 4 bbl intake and carb, open up the exhaust a bit and you'll be good to go.

  • Even if you plan on running synthetic oilyou should break a new engine in with a conventional, mineral-type engine oil for the first 4,plus miles.

  • FallonJeeper Grease Monkey. Now that the short block was done I had a valve job done on the heads and started ordering some performance items.

  • Re: Excessive oil consumption on recent rebuild Quote Post by forrestbump » Thu Oct 20, am Sorry I just noticed you also had a question about engine leak down testers. I've seen close to horse naturally aspirated 's.

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  • Factory pistons were cast and could have as much as Took a bone stock and added a Comp Cams H cam, lifters, and springs.

Announcement Announcement Module. AllJackedUp New Member. Its far cheaper, and gets the same results. Reader Rides.

PromGT says: December 22, at pm. I used Non-Synthetic oil for the first year, then switch to Synthetic. It seems the three main reasons for low hot idle oil pressure in these engines is 1 mains and rods worn out like any other engine2 poor clearances in the oil pump from wear possibly resulting from too few oil changesand 3 delaminating camshaft bearings not as common as the oil pump, but fairly common. The heads flow well stock and they come from the factory with large valves. That's it.

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If I can get a piston to achieve that. I installed new rings and bearings and assemble began. OK Cancel.

  • I would think other modifications would need to be done to accommodate the additional power.

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  • Headers are Headman and dump into 2X2.

  • You dont want one forthats more of a racing camshaft, and will have a pretty lopy idle.

  • Another option on the head is you can have someone professionally polish yips port it for you along with matching the intake to the head. There is no clicking noise when at that low psi but i would like to get more so i will stop stress when wheeling the jeep.

Although the original lose weight ran well, I chose to rebuild it since the dried original seals and gaskets were leaking quite a bit of oil. I'm inclined to agree with convincor, as I had the same problem with an AMC I rebuilt many years ago. I was told that a Cylinder Leak-down Test might help in pinpointing the problem. Save my name, email, and website in this browser for the next time I comment. Oversize Valve Size: because of the 1. We don't care about weight - at least not the little bit that AL heads shave.

This proceedure is best done on the bench before 3660 timing cover is fit to the engine. It seams like everyone has their own opinion with no facts to back it up. I'm building a. Are you running stock size tires? I wanted to get to so the Magnum block needed decking. One final note about the mis-engineered semi-grooved rod bearings is that they weigh less, which changes the bobweight factor for precision balancing the crankshaft Jeff says: November 24, at pm.

Send email erbuild Burner. So machine shop gave me a call and asked if I could give the owner a call. Spend a lose weight time searching this forum and Bulltear's forum and you will get many ideas for more power. OK Cancel. If you are allowed to have a 4v carb, then go with a truck avenger. If you go with a carb, put on an edelbrock performer intake not the rpm or torquer, just the plane performer. The engine was junk, I needed the bellhousing and a few other items out of the car.

AMC 360 rebuild/upgrade opinions wanted

When life spins out of control and you are overwhelmed with debt and bills, bailing out and reducing your living costs may be the only chance you have. This tends to help purge a fair amount of trapped air before you start the engine. I say do it, for the cool factor alone. I like the idea of the cam and leaving the pistons alone.

This causes you to spend literally thousands to get the right valve train. Thanks for the pm. You'll want to listen to where the air is escaping as that will pinpoint where your motor is weak. Northwest Mass. Connecting Rod; forged steel length; 6. Would you like to make this site your homepage?

Depends on whether you want and expect longevity. Do you have to run smog equipment? As for performance parts, probably an after market intake and carb and low end power curved cams would probably do the trick. Which per the KB site is a reasonable limit for use with pump premium gasoline. Probably going to go with a 4 bar carb and new intake manifold from edelbrock. I'd recommend the Edelbrock heads, but I understand that might not be in the budget for everyone. All I need to do now is get the power steering pump off, remove the carb, unbolt the transmission and motor mounts and yank it out.

My question is. Or should I toss the deves. IE: Only install flat tappets that have a phosphate coated face or a smooth-polished, slightly convex, 'flat' surface where they contact the cam lobe. Cylinder block More like a half. The issue was fighting with machine shops to get a block decked to the right height.

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But seriously -you found a flywheel in the mix? I will also stick with cast pistons. Looking through previous posts it would seem that 2V pistons would get me about a ratio. I've got one if you are intrested. Greeeeenberg Member.

It all looked good until the heads came off! He was just listing what he found when getting the engine. If you do, after you pass it take all the smog equipment off, air injection, remove pollution pump belt, and remove as many vacuum lines as possible. A rebuild on an engine that is still running good is a tough decision to make. Has been discussed here in othe threads, do a search. Send a private message to Lindel.

Tp am going to be getting a built before long and have called many shops with many questions and they all give me different answers. Post Reply. Find all posts by BlueCuda. The other head work, i. In the way of cranks there have been several new aftermarket offerings in the past 2 years or so. This tends to help purge a fair amount of trapped air before you start the engine.

Why Build a Mopar 360?

Rich88 FSJ Maniac. Posted by jeepfan. Forged rods, I dont see as neccessary. Easy as cake. The pics below are as it sits right now, I will keep posting pics as we get into the teardown.

So here's the question what should I do to make it a decent offroad vehicle but still get the gas mileage to drive it to the trails and not have to tow it behind my yukon. It really doesn't take much to get those kind of numbers with a stock compression AMC Thanks for the help. After some cleanup I started ripping into the motor. You still looking for an amc ? As for getting good enough milage not to tow it. Spend a little time searching this forum and Bulltear's forum and you will get many ideas for more power.

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Have fun!! This causes you to spend literally thousands to get the right valve train. Looking rrbuild set up to cool it down. Like most American V8 engines, the Mopar can make decent power using mostly stock parts. My RV8 rockers, individually weighed on a postal scale, averaged from 4 to 4.

There were only two loae that Truck would not do when I finished. Camdoctor says: March 5, at am. Spend a little time searching this forum and Bulltear's forum and you will get many ideas for more power. Also I read that the chevy pistons would have to have the piston pins honed a little and that they would be 0. If this is what you have the pressure it is holding should not be below X percent of the pressure being given. John at Southeast Performance is just the best for any build. Del A

Affordable Small-Block Mopar Power

If you do, after you pass it take all the smog equipment go, air injection, remove pollution pump belt, and remove as many vacuum lines as possible. Do you have the early The heads, springs, valves are in usable shape, the connecting rods, bearings, crank are all in good shape.

Well being somewhat of a motor-head out came the engine. Pieces were different and were in the wrong place, this quickly wore off thankfully. It moves cfm. AMC performance rebuild. Wasn't expecting this one to detonate so soon.

Do you have the early It all depends on what you want to spend. They are very detuned from the factory for mileage and emissions purposes. It's not like the engine was virgin and all the right parts are there. The time now is AM. For new members.

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The only time you see piston material in the pan is if there's a hole in it or total failure. It was a Perma Cool fan, not a Flow Cooler. Try not to look at the build costs on pg. Find all posts by Ghinmi.

Cam shaft choice Rich88 FSJ Maniac. Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You loze delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum. Took a bone stock and added a Comp Cams H cam, lifters, and springs. The car was bought in Ohio and then attempted to be driven to Mcallen Tx. I've seen that with detonation and with a ring gap to tight. Find all posts by Greeeeenberg.

Consider now getting mph average forever, and replacing transmissions, transfer case chains, rear-ends, u-joints, and motor mounts tipss amc 360 rebuild tips to lose weight tearing up Going to ditch them and put in Grants. My car from the factory only had hp about to the wheels. I need to swap out the 2 row pulley for the 3 row pulley so it's time to work on the oil pump since i'm taking off the front shell to do the job. Where is the evidence that break in procedures do anything? New Email: amcenthusiast gmail.

Yes No. I believe my setup makes those numbers your looking for, and I tipps own on-ramps! Looks like APD has off the shelf pistons to restore the ratio. Also with the pro cooler electric fan mentioned above, I looked for something by that name and couldn't find one, is that the brand. But it sounds like you have already ID'd the basic problems. You must go through every single little item, rod, nut, bolt, piston, whatever, and make sure it matches the engine and goal.

So here's the question what should I do to make it a decent offroad vehicle but still get the gas mileage to drive it to the trails and not have rebuild tips tow it behind my yukon. Quote: Originally Posted by Lindel Speed costs money The engine was junk, I needed the bellhousing and a few other items out of the car. Not too long, and the drive shafts were out and exhaust was disconnected. I'm going to start a post on the rebuild and modification to a street engine in a 69 Javelin.

  • Lubrication Considerations When installing an oil filterfill it about half way with oil, lube the rubber gasket the surrounds the filter with oil, and then tighten by hand. Parts availability is almost as good as the small-block Chevy, if a little more expensive.

  • Bo in forum Wrangler and CJ. New Posts.

  • Third, maybe you should send a private message to address your negative opinions. By Dan Ferrell.

  • Thanks for a fun look back.

  • I've built a few AMC's like that and have had great results. Similar Threads.

  • Like most American V8 engines, the Mopar can make decent power using mostly stock parts. But to answer the original question, I think the easiest way to accomplish what the OP wants within his budget is to do the same thing a PO did for my Waggy

Amazing information with facts thoughtfully incorporated within. Some parts can swap but not if you want a good strong engine. Decent cam, 4 bbl intake and carb, open up the exhaust a bit and you'll be good to go. I went with a magnum block but used the LA block height since magnum blocks are usually a bit high. The Cam is THE issue with the

Jones Quote:. Send email to Rich By piratessoul in forum Wrangler and CJ. Send email to marshotel. I also installed new push rods and Summit Roller tip rockers.

Send a private message to Burner. Visit Ghinmi's homepage! Send a private message to marshotel.

  • Keep a fresh fire extinguisher close by. So let's all think about this way, what are the best low buck piston choices that actually work well in a ?

  • I've done three since January.

  • I went with a magnum block but used the LA block height since magnum blocks are usually a bit high.

  • Finally this post was less about what you would do in my situation and more about what pistons work

You will own that freeway on ramp like a rich kid in his dads corvette! On my '64 and '66 heads with pressed in iron guides; the base 'step' of the valve guide measures. This caution would apply, however, if your machinist does not use this procedure. But I've never seen built-up performance schemes last as long as stock when used primarily for general, frequent road use.

There are alot of guys here who tipps help you on your way Doing so will decrease parasitic loss and total weight of the rotating assembly but this mod is not without trade-offs. The ignition is upgraded with an MSD box. If you do your build right, checking all bearing clearances and such, should never have a problem. Joined: Aug 10, Messages: 22, It makes a bunch of low end torque.

  • Yes, I plan on doing a 4" Skyjacker lift when the tax return comes in. I will try to make this experience easier by explaining the differences in pads, polishers, and compounds so you can get started quickly and achieve professional results inexpensively.

  • Join Date Jun Location central florida Posts Do you have to run smog equipment?

  • Yes, I did change gears to 4. There's no way I would go through the expense of aluminum heads and NOT put in a bigger cam to take advantage of them.

  • Don't get me wrong: For special purposes such tpis off-road racing or reserved for towing heavy stuff several times a year, that would be wonderful. So here's the question what should I do to make it a decent offroad vehicle but still get the gas mileage to drive it to the trails and not have to tow it behind my yukon.

Amc 360 rebuild tips to lose weight, if you want more, you can get more serious with the heads and pistons. It will have a Holley performer manifold, roller rockers, holley, and the std exh manifolds into a free flowing exhaust. You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum. Also allows the Block Deck to be squared and trued to the Crankshaft Centerline, equalizing all 8 cylinders. Mixing flywheels, cranks, rods, and pistons can get you out of balance and it's never fun to find that out later when you have a running engine that shakes. The flywheel is the same as a six cylinder flywheel but had a bunch of balancing holes drilled in it to work with the Powered by vBulletin Version 3.

Took a bone stock and added a Comp Cams H cam, lifters, and springs. My question is. And most importantly, keep you from buying the wrong parts! Yes, Please make this my home page!

For new members. Trail Stories. Quote: Originally Posted by Rich88 Depends on whether you want and expect longevity. The cylinder walls are baby butt smooth, no scratches, grooves etc. From what I hear, the stock heads are very good flowing.

The material most likely went out the exhaust. Good luck - s are loxe engines and once you have finished getting the wrong parts out of there and putting in the right stuff, it'll be fine, I'm sure. Here it is. It really doesn't take much to get those kind of numbers with a stock compression AMC The heads, springs, valves are in usable shape, the connecting rods, bearings, crank are all in good shape. Send email to Josh D.

They are very detuned from the factory for mileage and emissions purposes. You'll be able to meet friends, as well as get wdight repairing and upgrading your Jeep. I hooked up all the wiring and plumbing. Also, when you have the machine work done, I'd recommend having the honing done with AMC torque plates, and I'd also recommend the intake-valley oiling mod. You dont want one forthats more of a racing camshaft, and will have a pretty lopy idle.

Wow those heads don't look like they are on great condition, you should defiantly consider dropping those by the shop. Replies: 10 Last Post:AM. Bolt on torque. I have never had problems in the past, and cast is better at preventing detonation from bad fuel alot better than a forged piston.

I know you're looking for the short answer and not the long one involving volumetric efficiency lsoe all that, so here it is. Here's my situation, have a Grand Wagoneer, stock everything, I'm finally going to have some time to rip the motor out strip everything down, media blast it repaint it AMC Blue and make some upgrades Also allows the Block Deck to be squared and trued to the Crankshaft Centerline, equalizing all 8 cylinders. Move Remove Collapse.

  • Safe Driving. Yes, I've seen this done with wet-or-dry paper taped to a piece of plate glass.

  • Find all posts by Lindel. No thanks Sweetpeet, as my son said we have a in the machine shop.

  • Glenbrook is an online mechanics writer, who enjoys rebuilding and modding classic Chrysler cars. All-Terrain Vehicles.

  • Any suggestions for pistons, cam specs. Log in Remember Me?

  • As for the pistons, maybe they just got really brittle for some reason. All I need to do now is get the power steering pump off, remove the carb, unbolt the transmission and motor mounts and yank it out.

  • I built pretty much exactly what you're talking about.

Don't show this to me again. They were very light and balanced out really well with little heavy metal. Yes, my password is: Forgot your password? May 1,

Just put the old one back in cover distributor fall loes at the first weight. And when we started her up she was knocking bad. It acually sounds kinda cool lol. At higher rpm levels basically anything above rpm oil sling from the rod journals is already enough to cool and lubricate the undersides of the pistons. Bored out my to a and having a few problems - horrible vibration which I'm pretty sure is the torque converter but she's also running really really hot. It will run 80mph on the cruise in overdrive with the AC on all day any day. Finally this post was less about what you would do in my situation and more about what pistons work

Any suggestions for pistons, cam specs. A flywheel? Announcement Announcement Module. User Name.

T, the engine wouldn't actually be shifted amc 360 rebuild tips to lose weight. Re: Excessive oil consumption on recent rebuild Quote Post by 69lincoln » Tue May 29, pm Greetings: A long delayed update on the oil consumption problem: It turned out to be due to a very poor assembly job by a high-volume, low-priced engine builder. Bore Spacing ewight. Back to Tim's comments, the oil pump needs to be "blue printed" making sure the clearances are absolutely perfect. NOTE: The reason many new school lifters do not come with a Parkerized zinc or manganese coating on the lifter face to cam mating surface is because new US Emission Control EPA rules and regulations have forced manufacturers to quit using zinc, because when zinc rubs off the lifter face and enters the engine oil, some zinc molecules will become vaporized during combustion which makes toxic exhaust emission vaporized zinc is toxic Hydraulic: TRW VL79, Perfect Circle look correct for Rambler V8; no oil hole in pushrod cup, plunger fill groove correct height, phosphate coated face.

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As the engine warms up, all the clearances 630 slightly larger due to expansion, as well as the oil thinning out. I port matched the holes in the block and timing cover and increased the size in the oil port at the 90 in the block. I have caprice v8 4. It will go south very quickly. Hesco and also have pricier options on cranks as well. THat package sounds about right! Although you lost me pretty quick there.

Your email address will not be published. If built to the same specs though, the will make at least as much power rebuipd the at a lower RPM. If you want something easy to build and install with, fairly cheap and comes with a nice power boost than the stroker would probably be the best bet. The timing cover is a Crown replacement piece and the oil pump gears are Melling.

You would be suprised at what will go out wekght exhaust when something fails. By piratessoul in forum Wrangler and CJ. If you do, after you pass it take all the smog equipment off, air injection, remove pollution pump belt, and remove as many vacuum lines as possible. The engine was junk, I needed the bellhousing and a few other items out of the car.

It all depends on what you want to spend. Post Reply. AMC performance rebuild. Master rebuild kits can be purchased from lots of companies but many folks recommend Norther Auto Parts.

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Those will be in the 1, to 5, range, roughly, which is where you'll need most of your power. I hooked up all the wiring and plumbing. For new members. Good luck - s are tough engines and once you have finished getting the wrong parts out of there and putting in the right stuff, it'll be fine, I'm sure. Reader Rides. So far I'm going to purchase the 3. BJ's offroad offers an electric fan, but I am not sure if it works on stock radiators.

Send a private message to Josh D. Move Remove Collapse. I don't have to pass an emission test weigt SC and the first thing we did was remove the pump that shoved air in through the headers and removed the pulley, A buddy mentioned removing and plugging the vacuum hoses that aren't needed so definately going to do that as well. It had a very small diameter clutch and pressure plate too. Ghinmi Super Moderator. Try not to look at the build costs on pg.

Post Reply. Alfredo Marquez says: January 7, at pm. These will destroy your cam lobes instead! I do very much prefer to use mineral oil for the break-in and only change to Synthetic after at least 1, street driven miles or so.

amc 360 rebuild tips

Just out of curiosity, what weight and type of oil are you using in this engine? I like the recommendations of Ghinmi in his post, thats more like what I had in mind. Any competent machine shop should be able to do this for you. Can't wait. They're friendly and ship fast.

It was almost time for it all to go back into the Jeep. Find all posts by AllJackedUp. After the initial tuning stage the results of my long and hard work were evident. Actually, now that I think about it, that could be either awesome or really terrible. Visit Burner's homepage! This page was generated in 0.

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Thank you. Has anyone performed this swap? Any thoughts? Scat cranks now offers a new 4. Sarina Hernandez says: February 24, at pm. I wouldn't go that approach. I put it on a chassis dyno and made

  • These items could have been damaged or disturbed during shipping. Zeppo Jaworski says: March 8, at pm.

  • The material most likely went out the exhaust.

  • Mounting bolts; 15 per bank five bolts per cylinder, perimeter taps into outer water jacket wall.

  • So far I'm going to purchase the 3.

It does tips that Crower makes right and left offset stainless steel or aluminum roller tip rocker arms with. Hey guys, So I have a rebuilt that I bought awhile back from a forum member or at least the friend of a forum member and I had purchased a bunch of go fast stuff for the original that I bought several months ago and was going to rebuild With the right modifications, you can get up to HP on pump gas without nitrous or other power adders. Street engines require a longer break in race engines fo right on the dyno. Registration trouble? We don't care about weight - at least not the little bit that AL heads shave. I say do it, for the cool factor alone.

When dropping the distributor in, you have to align two items in order for the distributor to seat as it should be. However, I wanted something different. In spite of being over 40 years old, the Six Pack runs almost as strong as the performer RPM and looks a lot better. I have the Howell throttle body efi on my 77 wagoneer, and have been considering finding an 89 to 91 waggy to rob axles and engine from, thus remaining ca smog legal. FWIW I have the oil filter relocation kit from bulltear nice part took a long time to get and I still lapped the gear side to make it flat. All times are GMT Post by woods » Thu Oct 20, am.

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Post Reply. Most people use the fan out of a 1st gen 3. AMC Remember guys this is factory stuff. Probably when the timing chain went the engine ran without oil for a little and the bearings wore also this is the time that 7 pushrods were bent.

Join Date Jun Location central florida Posts Reader Rides. So you know it was driven like that and on there for a long while. Remember Me? If not, your stock carb works great offroad. Making it cheaper to drive the jeep, even if it only get hwy. Also allows the Block Deck to be squared and trued to the Crankshaft Centerline, equalizing all 8 cylinders.

The only reason SBC is popular for a lot of things is the cost of building one. First thought is: Should be a great performer. I would like to get mine to the track and see what it could do. A Robin says: April 9, at pm. Brad says: December 7, at pm. Both Eagle and Scat make reasonably priced forged crankshafts for the the Scat cranks are slightly more expensive but a better reputation for quality.

Reader Rides. Find all posts by Rich Similar Threads Mr. I don't have to pass an emission test in SC and the mac thing we did was remove the pump that shoved air in through the headers and removed the pulley, A buddy mentioned removing and plugging the vacuum hoses that aren't needed so definately going to do that as well. Next we ousted the engine, trans, and transfer case all together.

Cam, intake, exhaust, desmogify, EFI, amc 360 rebuild tips to lose weight port-n-polish the heads and intake. Could use your suggestions. You could do a simple stroker with a minimum overbore, 4. Extended periods of higher rpm splash the oil up and the bad gasket causes the vacuum from the manifold to suck it up and run it through the cylinder. You could do a small polish and port your self using Standard abrasive's kit. There is no apparent cause for the appearance of this symptom; the engine has not been subjected to abnormal or severe service. I re-measured cylinders 4 and 8 twice, with the same result I used the method of squirting some oil into the cylinder and re-reading the compressions.

Wow those heads don't ti;s like they are on great condition, you should defiantly consider dropping those by the shop. You would be suprised at what will go out the exhaust when something fails. Send a private message to marshotel. Send a private message to Rich Looking through previous posts it would seem that 2V pistons would get me about a ratio.

In The Beginning From what I hear, the stock heads are very good flowing. I've done three since January. Also put on an Edelbrock air-gap intake, holley carb, and Edelbrock headers. Edelbrock ones are aluminum so they have a weight advantage and some cooling as well.

Rebuils says: March 5, at am. I comprehend that you are probably infinitely more FSJ-savvy than I am. Typical and unhelpful. If you want a great engine and done right, call John. JWH says: November 14, at pm. Thanks for your time and I appreciate help. Stiffer valve springs and fast closing cam profiles will cause the seats to get even more hammered.

Send email to Lindel. I wonder if they xmc it assuming Send a private message to Mr. Also with the pro cooler electric fan mentioned above, I looked for something by that name and couldn't find one, is that the brand. After the initial tuning stage the results of my long and hard work were evident.

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