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Old 10-05-2015, 09:04 AM   #1
foxriderry
 
Join Date: Feb 2008
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Pushrod Length Ls1

Ok so I've been chasing down this sewing machine noise coming from my engine, and decided to check my pushrod length. I measured the intake and exhaust at TDC for each side and came out with 12 turns in on my Comp Cams length checker.
12 turns times 0.05 (<- length of each turn) equals 0.6.
0.6 + 6.8 (<- Length of checker) equals 7.4
7.4 + 0.03 (<- Lifter preload) equals 7.430

Being that 7.430 is longer than stock length I feel like I've done something wrong. The heads where milled, and I installed a Torquer V3 camshaft. I feel like the length should be shorter, can anyone confirm or deny this?

I checked the length by rotating the assembly to pump up the lifters.
Than acquired zero lash and rotated the length checker outward until there was no up and down play in the rocker, only side to side movement. Any help is greatly appreciated.
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