Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
03-02-2010, 03:00 AM
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ZL1 OILING PROBLEM
HI there is a post that talked about oiling probems on the ZL1 can some find this post for me THANKS
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Barry Allan 
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#2
03-02-2010, 03:42 AM
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Re: ZL1 OILING PROBLEM
The L-88 and ZL-1 engines had a fantastic lubrication system that to this day is one of the best ever designed and there is actually very little that can done to improve it. Stick with the GM factory matched parts with some Mobil One synthetic oil and that's about as good as it gets. If there's any problem, it's usually because someone didn't follow the GM Power Parts specifications and thought they could improve something that can't be improved upon!
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1962 Biscayne O-21669 MKIV/M-22 1962 Bel Air Sport Coupe 409/1,000
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#3
03-02-2010, 03:44 AM
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Re: ZL1 OILING PROBLEM
It dealt with making sure you have the intake valley plugs in place. There are 3 1/8" pipe plugs that must be installed there. Also the oil filter check valve must be in place as well.
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1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3.36 differential, California car, PS, PB, PW, AC, Jetfire 2 option package.
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#4
03-02-2010, 03:51 AM
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Re: ZL1 OILING PROBLEM
This was a thread Albert posted about the oil pres issues. Turned out to be a simple fix, with plugging lifter valley holes, as stated above.
https://www.yenko.net/ubbthreads/show...0/fpart/1/vc/1
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