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I broke in the new engine today, there were a few challenges gettin it all sewed up and running but I got it! It runs good. Pulls hard! For a 318 it will suprise the crap out of you.. So here's the question: How do you get the last two header bolts on the driver side tight enough? I got an...

I bought a craftsman valve spring compressor and was putting some Isky toolroom springs on my 302's, they are a single spring with a damper. They bent the valve spring compressor. Has this happened to any of you? Now the heads are on, but I want to replace the valve seals, I got some new ones...

I have TRW pushrods pn# 48814 and the only length I can find listed is 7.492 hydraulic with adjustable rockers. My calipers aren't big enough to measure these right, I am concerned because the length listed by comp cams for their pushrods for this applicaion is 7.389. So, which is correct? Do...

Found cracks in the saddles around the cam bearings and in the oil galley, and valley area. So, I got another block today. This is what I am putting together this week. 1972 318 .030 over with KB silvolite pistons -4 valve reliefs, .068 in the hole New durabond bearings thru out...

Can someone tell me the correct size plug screw to buy to plug the little outlet below the exhaust port on 302 heads? I want to get the right ones, also, what material should they be? Iron, stainless, bronze? Thanks guys.

It was ground by Cal Cams, numbers are 275-10-S 31A with the initials TJ. The solid lifters had an extra deep oiling groove, like REALLY deep. 1/4 inch or more. It is in great shape and was supposed to be pretty big. I'd like to find the spec's but I googled cal cams and all that came up were...

3 of the cam bearings in my 318 were cracked. Do I have a cracked block? I JUST bought this motor today, was supposed to be pretty fresh.

They have a "O" where an x or J would be, does anyone know what these came off? They are uncut, 2.02/1.60 valves.

With a 318, if I am running a 221@.050/489 lift single pattern on a 108 would a single plain work well? I have a P4532851 M1 single plane and the port size is much smaller than an air gap, but my regular performer really hasn't anything to offer above 5500-5600 rpm. My concern is that the plenum...

I saw in a 415 hp 318 build in engine masters they shaved some smog heads down .050 and ran it with stock pushrods and non-adjustable rockers, with a pretty big comp cam. I called comp and they said it's not a problem. Now, that seems pretty wild to me, but if I were to shave say, .040 off and...

There is a ridge at the top of my cylinders, how much ridge can I allow before I have to bore it? I also need to check for taper, I know, but for an emergency rebuild...Please help, I'm in trouble. My primary transpo has messed up on me bad.

So the duster I'm buying has a 318 in it with an rv cam and etc, but with the deal I'm getting a second 318, so my next logical choice is a 390. I know there are a few guys around here who have done it, and I'd like to ask if there are any issues specific to this build that I should know so I...

My new project has a 318 with 308 heads, and I'm gonna do the deal on it, and I am gonna swap out the cam for a 20-600-4 thumpr from comp cams. I don't wanna have to take these heads off to get them machined for a double spring, so I was wondering if an 1102 from hughes engines would work right...

Before I order any parts I want to make sure I got this right... 4.28 bore, 3.38 stroke, 84cc chamber, .038 gasket, piston is a kb162 ( +5cc), .005 in the hole, should turn out to be 9.2:1 with an .044 quench. Am I right? I wanna get it perfect this time... The stealth heads and XE275HL cam...

Can 516 heads have the exhaust valve and port bored out to the same size as a 915? The bigger exhaust valve would be a huge improvement, and with the closed chamber I could achieve a good quench.. I have some 915's that were decked too much, with my setup. I got kb flattops and I'd end up with...

I'm going from a 216 duration on a 110 lsa to a 223 on a 112 lsa or a 226 on a 109. I have a 3000 stall and 3.91's, and adaquate cr, so my only real concern is vacuum for my power brakes. Will the 226/109 cam kill my vacuum? A vacuum canister may not be enough in a traffic situation I'm told. I...

I would like to find out what you guys think of the commando aluminum heads by MP as opposed to eddie rpm's. Different chamber sizes, different intake cfm, wonder if they might not be better for a small cube hot rod, asopposed to eddies with bigger ports, might have same velocity problems as j...

If I run a 3.79 crank with 6.123 rods what compression height do I order?

If you compare specs of comp's 268H and xe262 you will see both have an intake of 218 at .050, but the 262 has less adv. duration. I see a wider power band listed for the xe as well. Comp's tech said he'd rather see me in a xe262, so I was looking around at the cars on you tube and saw a vette...

-------------------------------------------------------------------------------- So, as I have stated before here I have a 318 with 340 J heads, it was this way when I bought the car, so I don't know what all may have been done to them, but I do understand the concept of port velocity...

So, if I am doing a cam change and want to stick these new roller rockers on at the same time, how do I set the lash or preload initially for cam break-in since the lifters have no oil in them yet? The setting will change once they have been run thru the break in procedure, right? Is there a way...

Will a tight lobe seperation compensate for the loss of velocity described when you put 340 2.02 heads on a 318?? Large runner/port volume reduces velocity in this combo but a cam on a 108 or a 107 will use the overlap to draw more mixture in, right? but close the intake cycle faster to keep up...

Will a tight lobe seperation compensate for the loss of velocity described when you put 340 2.02 heads on a 318?? Large runner/port volume reduces velocity in this combo but a cam on a 108 or a 107 will use the overlap to draw more mixture in, right? but close the intake cycle faster to keep up...

Who makes mopar small block fab'd valve covers, and what are the prices? Big block, too, for that matter, but I love the look, I just don't know where the deals are...anyone out there got a hook-up?

Has anyone here ever run the street master grind from lunati? It's 225/225, 275/275, .477/.477 on a 108 lsa, grind # sm225. It is rated at 1800-5800 rpm, and I would like to know if this grind would be good in the 318 with j heads I'm running for general street performance. I run a high rise...

In the tech articles on mopar muscle's website there is an article about a 400 horse 318. They are running a 750 demon, and everyone I know says my 600 holley is big enough. now, I don't have 400 horses, but I'd like to, wouldn't the large carb reduce velocity too much? but the dyno don't...

In the tech articles on mopar muscle's website there is an article about a 400 horse 318. They are running a 750 demon, and everyone I know says my 600 holley is big enough. now, I don't have 400 horses, but I'd like to, wouldn't the large carb reduce velocity too much? but the dyno don't...

How do you set the preload on hydraulic lifters? I got some new roller rockers and I don't know how to set this up! Also, will the factory shaft really fail with these roller rockers? I was told by the mfg that they recommend induction hardened shafts, but by some one else whom I trust that the...

Found out about the thumpr cam for mopar and love the sound, heard the idle and dyno run, and it sounds so sweet! Reto-fit roller for LA block, and I couldn't dig up the spec's on the smallest of the three, only on the two larger ones. I hope the smallest of the three will allow the use of stock...

I want to do a 'simple' cam swap, but don't want to pull the engine out of the car, can this be done? Will have to change valve springs, too, and while I'm at it I will install these ohio crankshaft roller rockers, they are adjustable, obviously, but how do you set lash on hydraulic lifters...