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Compression test #???
What would be good compression test numbers? How many PSI should I expect? I know that the low should be with-in 20% of the high. How low is too low?
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84 SVO, Gillis valve, T3/T4 turbo, 3 inch down pipe, 3 inch exhaust, 35lb injectors, roller cam, ported and polished 86 style intake, Thunderbird IC, ported and polished big valve head, Roller Cam, 255lph fuel pump, Black Majic flex-a-lite fan and 4:10 gears. -
pretty sure this EXACT question has been answered before --
the numbers really aren't that important -- what is important is that they are within 15% of each other.
normal readings would be roughly 90-110 psi tho.Eric C
SVOCA Webmaster -
Thanks Eric for the response! I got the following measurements:
1 120PSI
2 110PSI
3 115PSI
4 112PSI
So I am in great shape!84 SVO, Gillis valve, T3/T4 turbo, 3 inch down pipe, 3 inch exhaust, 35lb injectors, roller cam, ported and polished 86 style intake, Thunderbird IC, ported and polished big valve head, Roller Cam, 255lph fuel pump, Black Majic flex-a-lite fan and 4:10 gears.Comment
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yea-- that should be good -- from highest to lowest is 8 psi difference --Eric C
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those are great numbers when i did mine test were between 115 and 120 the engines in these cars are great and i know mine engine has over 100,000 miles and in runs great!!86 2r built 1/22/86, sn-95 lca w/griggs adaptors, 5.0 tb,adj cam gear, sub frame connectors, new koni's, mark vii wheels, starion front mount ic FAST!!!!Comment
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