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So the other day I decided to run a compression test on my 5.9 magnum. Haven't done one since I put the engine together a couple years ago, so just decided to check it out. Numbers look pretty even across the board, all between 139 and 144. Plugs look kinda of black and sooty probably because...

Who makes the thinnest head gaskets that will work with a 5.9 magnum? Doing a cam swap this winter and thought that would be a good time to switch to the thinner head gaskets. Right now i'm running whatever came in my rebuild gasket set, probably .045, or .050 thick. Suggestions? Part numbers...

Ok, I know this has been beat to death, and I should have all the answers by now after reading all the other threads, but sometimes i'm a little dense and it takes a bit to sink in. Looking to do a cam change, not right away but in the near future. I'd like opinions on a couple of specific...

Well I keep going out in the garage and finding a puddle of antifreeze in my thermostat housing, and a big puddle in the valley of the airgap manifold. Manifold is new, thermostat and housing are new, put it together with permatex ultra gray. I think its seeping up around the threads of the...

Cant seem to stop my drain plug from dripping oil. Its a brand new Summit 360 pan. Drain plug came with a white nylon gasket, it leaked, so I went to the store and got a copper one, it leaks. Don't dare tighten the thing any tighter, don't want to strip out my new pan. Does anyone make a...

So with the 5.9 swap finally done on my Dart and it’s time to start driving it. Is there anything special I need to do to break it in? Obviously it’s roller cam so don’t need to worry about, but just wondering more about getting the rings to seat and all that. The rebuild was a basic, hone and...

So I'm having some trouble getting the right belt for my magnum 5.9 swap. Here's what I got. It's a '99 5.9 Magnum from a ram 2500 truck. I took off the a/c and replaced it with a a/c delete bracket and pulley. The pulley is in the same place as the original a/c and the pulley is the same...

So a couple weekends ago I got my freshly built 5.9 dropped into the Dart. Got the headers bolted up and a few other things. Then today I find these laying on the workbench. The engine to tranny alignment dowels. Is this a problem, or will all the bolts align it close enough? Tranny is a 904

So my 5.9 build is almost finished. I was 5 minutes away from mounting the intake manifold. Then I decided to run a tap through all the holes to clean them out a bit. Well I'm on the last hole, drivers side, rear most hole. And I snapped the tap off in the hole. OMG! I screamed bloody murder ...

Getting close to dropping in my 5.9 but have no idea about spark plugs. To just go with what's stock for a 5.9 or if there would be a better choice. Basically stock 5.9 except edelbrock airgap manifold, edelbrock 1406 carb, and doug's headers. Also I'm at 5300 ft altitude. What would be a good...

Putting the bottom end of my 5.9 together, and just wondering. I don't remember seeing a gasket under the oil pump when I took it off, and my gasket set doesn't have one in it. They didn't use them on Magnums?

So the full gasket kit I got for my 5.9 includes valve seals. It had two bags of 8 each. 8 are red, and the other 8 are black (the rubber part of the seal). But there's no indication on the bags, which are the intakes, and which are the exhaust. They look identical except for the color. Any...

Can this be done at home? Is there a tool you can rent for removal and replacement, or is this pretty much machine shop only territory?

Got my full engine gasket set from the UPS man this morning, and was looking at the description on the package. Seems that I screwed up and ordered a set for a '99 5.2 Magnum instead of an 5.9 I'm thinking it's going to be all the same gaskets isn't it? Ordered from Advance auto parts and their...

I'm doing a rebuild on a 1999 5.9 magnum from a Ram 2500. I've been told that there are numbers stamped on the crank that will tell me if any +1 or -1 bearings were used on this motor from the factory. I guess you're suppose to be able to look these numbers up in the FSM and it will tell you...

Ok so I got some of the parts for my 5.9 refresh, including the moly piston rings from summit. Opened the piston ring box, and the upper and lower compression rings look different. One set is shiny on the edge and has a small M printed on one side.(I assume for moly) The other set look like a...

So pretty sure a stock 5.9 is 4.00 bore, but what thickness are the rings on stock pistons. I believe I've heard they are 5/64, 5/64, and 3/16 for the oil ring. Is this correct?

Please take a look, this is the 5.9 I bought to put into my Dart. I found two very strange looking stains, or wear marks inside cylinders 6 and 8. Plus on cyl #4 there is a dent in the edge of the piston and a corresponding scratch in the cyl. Obvious something made its way through that cyl...

Just wondering if an LA timing chain and gear set will work on a 5.9 magnum. I have a really nice double roller set that was on my 318 with only a few thousand miles on it, just wondering if it will work on my 5.9. I'm tearing apart my used 5.9 but don't have the front end off yet to see what...

Local guy has these for sale. Say's there 340 T/A heads. Also says 2.02 and 1.60 valves, although they are bare heads. If you cant make it out in the pics the casting numbers are 34189 5E and 3418915B According to the casting number list I found online, there are only two castings with those...

Just checking, Thought I'd heard something about port mismatch and some manifolds / headers when using Magnum heads. Already have new Doug's headers, but was thinking of going with a magnum head swap.

Ok, I know this has been beat to death, and I have read thread after thread and I think I have a pretty good idea what cam I should run, just want to bounce it off you guys. I'll give you my engine/car specs and intended use, and the two cam choices I've narrowed it down to Engine: 1971 - 318...

Pulled the cam out of my 318 to make some changes, Anyway, this cam has been in this engine for 15 or so years, but has been run very little, probably 7K miles on it. So I've never seen this on a cam before, it has circular marks on almost every lobe, and even on a couple of the bearing...

So I have my timing cover off, time to fix a stripped out fuel pump mounting hole. Went to the hardware store, a kit to do a helicoil with the right drill, and tap and a few coils is like $36.00 And the coils that come with it are only about 1/2" long, so it won't even fix the entire hole...

So I'm about to pull the 318 out of my dart to do some upgrades on it. I pulled the water pump just to get a little more room. After pulling the pump I look down and see the vibration damper has separated and the outer ring has moved back about a eighth inch and is dragging on the front cover...

Ok, here's the deal. I want to get a little more compression out of my teen, by swapping in a set of KB167's My engine was built about 15 years ago, bored .030, and over the years it has set a lot without being run, been in two different cars, and probably only has about 6 or 7 thousand miles...

So I've been reading tons of threads lately about engine building, and different combos and such. Keep hearing the intakes like the Eddy-performer have smaller "318 sized" ports. What exactly are the measurements of intake ports on a 318 head vs a 340/360 head? Or how much difference is there...

Been wanting to do some tuning in my 318 to try and get it running better. Going to do a dist recurve, get a wideband 02 gauge/sensor so I can get the carb dialed in better, etc. But I thought I'd start with the basics and start with a compression test. Keep in mind this 318 was built...

So just wondering if a swap from my Edelbrock Performer manifold to and Edelbrock RPM Airgap would make any noticeable difference in performance. Or maybe at lease help with vapor lock issues during the summer.? My current setup: '71 model 318 - 30 over Machine shop got the pistons for me, they...

So the 318 I have in my Dart is putting out the blue smoke pretty bad. To give you a little background the engine was built about 15 years ago, but probably only has 1000 miles on it. It was driven a little in a previous car I had. Then the engine was pulled and set for several years before...