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Has anyone installed the Superformance rear main seal SFP9340 from Mancini? Unlike the FelPro, the "ears" appear to be detached. I was wondering how these installed properly? Do they just butt up to the outside of the seal or do you install them in between the ends of the seal? Are they...

So if you've read through my thread, I've had problem after problem building this car. This is my next big problem. Leaking head gaskets. Block is a 340 block, bored/stroked to 417, W2 heads, and the block is o-ringed. I don't have the brand of head gaskets at the moment that were used but...

Does anyone have flow numbers for ported and unported W2's? I was wondering what the flow numbers should be across the range of lift for either ported or unported for comparison. Here's the reason I'm wondering. When I bought the car, I was told that the heads had been ported and the guy that...

So here's the scoop. Engine builder is trying to mock up the engine so that he can send off the rotating assembly to be balanced. He ordered 1 set of Comp's lifters just to mock up and later found that the lifters will not work without grinding on the block and then also found that the rollers...

Who makes billet replacement pulleys for '69 340 cars besides CVF Racing? I find serpentine stuff but I just want factory style replacements.