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Registered
Join Date: Apr 2023
Posts: 11
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1977 911s Leakdown Results. Advice ?
Hey everyone !
Can you advise me what I should do based on these results ? 1977 911s Thermo reactors removed ages ago. 1: 130 psi 2: 140 psi 3: 150 psi 4: 150 psi 5: 145 psi 6: 140 psi Does burn and leak a little bit of oil. Sparks plugs do have oil residue |
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Registered
Join Date: Aug 2018
Location: Maryland
Posts: 2,264
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These are compression numbers, I'd run it like that for the next 30k miles. What do the leak down numbers look like?
Probably all fine except for cyl 1 might be around 14% whereas the rest are around 8%
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83' Coupe - Ex-RaceCar 77' Targa Narrow Body - SC powered Copper Brown Metallic |
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PCA Member since 1988
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Drive the snot out of it. Do more driving, less worrying.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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