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to shim or not to shim

Subject: to shim or not to shim
by fat14s on 2005/5/6 3:52:24

ive got my turbo charger setup starting to go on this weekend ....ive rebuilt the engine with the most expensive rings bearings and gaskets u can find......but now after all that ive been told even to run 5psi i will need to lower the comp ratios or my engine wont even last a couple of minutes....this guy i was talkin to reckons i need to get a shim (decomp plate)or take a bit off top off my pistons to lower the comp....he said without this ill be lucky to get 5 kms outa the engine????

whats the deal with this u guys do i need to lower just for like 5,6,7 psi

also what are u guys using for detonation control

ps i trust ur opinions more than this dude even though he seemed to know his ####.