Hey man, not to knock your engine builder butI have NEVER checked my "End Play". I always check the tolerences when first putting a motor together but never after I run it. I've built several motors for drag cars and most especially pulling trucks and never had that problem. We've thrown rods, broke cranks and everything else but there has never been any front to back motion on the crank that I have seen.
This could very well be a problem I should start to investigate for future reference though.
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'93 lx notch 4 banger (drive it to work currently), 89' 4banger in prep for all out drag car. Using the 306, 8.8 posi, 4.10's, summit rear cover. Future Mods granatelli lift bars, bbk uppers, Flex-a-lite elec. fan, cowl hood, wieand stealth intake, holley 650 d.p., built c-4 or c-6, e-303, 10 inch wheels in the back with slicks, skinnies up front, pulleys, full autometer guages, msd box, mallory unilite dist, and coil, custom headers, rear seat delete, aftermarket front seats, roll cage, ATI p
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