Originally Posted by Ray@NP
X2
X2
4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
Best ET 11.54@114 w 1.52 60ft
Raceweight 4905 lbs.
i've heard engines make a tick or tap at a certain rpm before and everything was fine.
If it's an obvious noise and just too loud to be considered valvetrain noise, well that's your decision.
but you can even get a stock engine to make noise ever so slightly.
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I am not really familiar with checking preload. Why is it required, what does it tell you, and what does it do, rather than just torqueing to spec. ( I torqued everything and triple checked it).
Silverado Z71 10" Lift COMPLETE 6.0/4L80E PRC 2.5 Ported LS6 Heads 228r Comp Cam 3200 CIRCLE D Stall LS7 Lifters ARP Bolts SLP Oil Pump and Double Timing Chain 160 T-Stat 3" SLP Loudmouth Electric Cutout Walbro 255 Pacesetter Longtubes MSD Starter NELSON Harmess NELSON Street/Strip Tuned ECM MSD Wires LS1 Throttle Body Braided Lines Spectre CAI 4.56 Gears Detroit Locker 14 bolt http://www.ls1truck.com/forums/lsx-t...wap-build.html
Go over to ls1tech and do a search. There are alot of threads on preload. The preload will be changed by different length pushrods. You will need to use a pushrod checker to get the proper preload.
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