hi guys my friend has a 97 gt. just had new rings and a vavle job done and replaced all the internal bearings. this was done professionally and i put the engine back in the car 5th or 6th engine removal/ installation.... the car is burning alot of oil.... like 3 quarts in 500 miles. it is commin out of the exhaust in clouds. We believe that it is a vaccum line sucking oil into the intake/heads somehow and burning in the cylinder's. does anybody have any idea what this can be and where i can find a complete vaccum diagram for this car.. any help will be greatly appreciated.... im gettin desparate
vaccum line (big problems) need help
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CanadaStang
New Member
Yipes, thats a lot of oil. Did you let your engine builder know about the issue? Could be a few reasons:
1) Pvc stuck closed [can't see it using that much b/c of this though]
2) Compression rings in stalled upside down
3) Cylinders not honed before installing pistons with new rings
4) Ring gaps not properly staggered
5) Excessive main and/or connecting rod clearance
How's the oil pressure? Do a compression test and a leak-down test [if you don't have a leak-down tester, have the engine rebuilder do it, or local garage]
1) Pvc stuck closed [can't see it using that much b/c of this though]
2) Compression rings in stalled upside down
3) Cylinders not honed before installing pistons with new rings
4) Ring gaps not properly staggered
5) Excessive main and/or connecting rod clearance
How's the oil pressure? Do a compression test and a leak-down test [if you don't have a leak-down tester, have the engine rebuilder do it, or local garage]
