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Registered
Join Date: May 2002
Location: Battle Creek, MI
Posts: 519
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Motor question
Just bought an 85 944, it has been sitting for 4 years. Did a compression check and had 175-180 on three cylinders and 120 on one, squirted oil in cylinder and it did not change, am I sunk? Any other ideas? I guess I could do a leak down check, but it seems as if I have a valve issue? Any assistance or advice would be appreciated.
Thanks,
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2011 Chevy Silverado (The Hauler) 1984 911 Carrera summer daily driver |
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11-05-2004, 02:45 AM
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Parrothead member
Join Date: Jul 2003
Location: Monmouth county, NJ USA
Posts: 13,835
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Sounds like a valve problem. check it a few times after turning the engine over, see if you get different readings.
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Vinny Red '86 944, 05 Ford Super Duty Dually '02 Ram 3500 Diesel 4x4 Dually, '07Jeep Wrangler '62 Mercury Meteor '90 Harley 1200 XL "Live your Life in such a way that the Westboro Baptist Church will want to picket your funeral." |
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11-05-2004, 04:31 AM
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Registered
Join Date: Jul 2001
Location: Edmonton, Alberta, Canada
Posts: 4,530
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You should do a leak down at this point.....
It could still be losing compression through the rings or as suggested... intake, exhaust valves...... or the head gasket.
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Alex - PCA Polar Region - Boxster Muncher 86' 944 Turbo - Megasquirt - 326 rwhp/340lbft @ 18 psi SOLD www.edmontonhomelife.com www.edmontonrealestate.ws |
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11-05-2004, 06:14 AM
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Im with ae1969, Do a leak down test and see what happens
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1986 951, Stock for now. ]87 924S Gaurds red- SOLD after 11 years of ownership |
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11-05-2004, 01:35 PM
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Registered
Join Date: Oct 2002
Location: nashville,tn
Posts: 1,124
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Also, after sitting for 4yrs, the lifters are bone dry. The valves in the cylinder with the low compression might have a valve that is not fully seating, basically what they said!!!!
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86 944 daughters 88 944 step-sons 07 Ranger 4x4 I have tons of spare parts, let me know what you need. |
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11-05-2004, 02:40 PM
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1987 Porsche 924S 2.5 modified
