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So i have a 440 engine, Factory Replacement Engine (built in mid-year 1970) with stock rotating assembly. Forged steel crankshaft, factory six pack connecting rods, factory 9.7:1 cast pistons. The crank is original standard grind, with about 30,*** miles of light abuse. Oil pressure is...

I am looking for some info on the 426 wedge engines Petty Enterprise used after the hemi was "removed" from NASCAR in 1971. I was told petty used the existing hemi engines he had, but turned them to wedge engines to satisfy nascar. I am trying to find out what kind of heads did he use for...

I am a young Moparian, and have contracted a high interest in engine fundamentals as a result of this. Today, my thirst for knowledge revolves around camshaft design and how to define all of those numbers. First of all, I understand advertised duration, valve lift, and a basic idea of @.50"...

Alright, have a bit of a problem with a carb im attempting to use. Its a holley 3310 was electric choke but missing parts, i bought manual choke kit for it..anyway, i put new gaskets, powervalve, etc in it just basic rebuild. I tested it on my 78 dodge truck with 440, and naturally both floats...

Does anyone know off the top of their head, the specs on stock 426 street Hemi valve springs? i know they are beefy, but are they beefy enough?

Car: 1970 Coronet, 3700lbs, My question on this thread has to do with Manifold selection for my 440. First of all, the engine is a stock 1970 440 HP engine, 9.7:1 pistons, Lunati Voodoo 268/284 .475/.494 Cam, Edelbrock performer stock style intake manifold, clean unported set of 452 heads...

Looking for any info on what to expect from the various intakes out there such as edelbrock, weiand, etc... single 4 bbl, my engine is pretty mild...10.5:1 ratio, J heads, 450/455 purple shaft, 69 stock manifolds. Plan to run a 670 street avenger or possibly 650 avs. Nothing helps selection...

I am beginning my build on a 70 model 340. I have the original, decent set of J heads which i am going to try to beef up a bit. The only oversize valves i can find for these heads are 2.08/ 1.65. My question is...will these function properly? I realize the 202/160 valves are very close...

I recently bought an older gentleman's collection of MoParts which included a large amount of old NOS heads, engine parts, etc... and in the mix was a stock 440 crankshaft that had the main journals turned down to fit a "B" engine. I am somewhat interested in making a 383 into a 426 wedge...