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#11 |
Registered Member
Join Date: Sep 2000
Location: rock hill,S.C. 29730
Posts: 420
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![]() Ok, I still haven't had a change to do a full compression check, working all week, but I hooked my Vac guage up and at idle I'm only reading 14" , it should be around 20" right?
It' acts right when I blip the throttle and when I hold it at 2000 rpm's for 20 secs. or so and close throttle it holds at 3-4" higher for a few seconds as it should . I've been told this low a reading is probably late valve timing, does this mean the cam is off??!!??!! Or could it be a tight valve, will a compression check tell me if it is a tight valve? I'm guessing that cylinder will have a exessivly low reading? Will it matter if I do it with a cold engine or must it be up to temp? Thanks Wes
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88 GT: subs,pullies, 1 3/4 longtubes, flowmasters, AFR 165's,T,F #1 cam,Thyphoon intake, 24# inj., 73mm C&L,65mmT.B., 190LPH pump, Eagle sir rods, forged pistons in a newly rebuilt 306. DYNO TUNED TO 300.97 RWHP 337RWTQ |
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