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-   -   Oil Changes (http://zr1.net/forum/showthread.php?t=340)

robs90zr1 09-11-2004 06:12 AM
Oil Changes
 
New ZR1 owner. I've owned 3 N.C.R.S Top Flight Vettes. 1 - 65 / 1 -68 / 1 - 70 & I have always done my oil changes. Someone in ZR1 land tell me the correct way to change the oil in my 1990. I've been told it held 12 quarts & the owners manual says 8.6 quarts. Do you have to drain it overnite ??? What's up ?? ---- Rob

Wayne 09-11-2004 09:56 AM
Re: Oil Changes
 
Quote:
Originally Posted by robs90zr1
New ZR1 owner. I've owned 3 N.C.R.S Top Flight Vettes. 1 - 65 / 1 -68 / 1 - 70 & I have always done my oil changes. Someone in ZR1 land tell me the correct way to change the oil in my 1990. I've been told it held 12 quarts & the owners manual says 8.6 quarts. Do you have to drain it overnite ??? What's up ?? ---- Rob

Welcome Rob
When you change the oil about 3.4 qts. stays in the engine. You can not get it out.

FASTZR1 09-12-2004 11:08 AM
Allow a couple of hours after the engine has been running and then drain until it no longer runs out! 9 quarts with the filter does fine. My'91 uses a touch of oil at high RPM's, and I exercise her often!

Enjoy!
Johnny B


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