going back to normal motor oil
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Joined: Dec 2004
Posts: 1,204
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From: chicago IL
Car: 91 formula
Engine: 350 tuned port. bolt ons
Transmission: 700r4
Axle/Gears: 3.73
going back to normal motor oil
i have be using sythetic motor oil for about 4 years now and my car is burning motor oil alittle. i cant keep filling it up with more sythetic oil. well it do harm if i fill it up with normal motor oil after i change the sythetic out of it
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Other than starting to wear more than it was before, cranking harder in cold temps, using more fuel - no, won't hurt.
What is causing the oil consumption?
What is causing the oil consumption?
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Replace the valve seals. Cheaper in the long run than using petroleum-based oil.
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