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joev 05-03-2011 02:55 PM

Best Oil for 1195 Prostar 205
ok - I've read many of the comments and they are all great - now I can change the oil, transmission fluid etc. What is not 100% clear is what kind of engine I have! Crazy - but it's not in my manual and not clearly identified anywhere obvious...I got asked this question when I went to buy the oil and oil filter...can anyone help?

trickskier 05-03-2011 03:29 PM

Post a pic of the engine.

Thrall 05-04-2011 01:55 AM

Unless it's a rare? (not sure if they were even offered) big block, it's a 5.7L Chevy TBI or LT-1. TBI looks like a truck motor, LT-1 is a Corvette engine, says Corvette.
Either way 15W-40 and a Napa/WWix 1069 filter for either small block. ATF in the trans, don't remember if it was Dexron III or type F, but the trans aren't too finicky.

FWIW, I used 10W40 most of the time in my LT1 with no issues. More important how often you service the engine/trans than brand or oil weight IMO.

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