Quote:
Originally Posted by JerzLT1
change the oil and put some 20w50 in it.
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VERY DUMB idea in the middle of Winter! You need a 5W or 10W bottom number in order to turn the motor over on very cold (-20) mornings. A 20W 50 will be much too thick to quickly get moving and will put a lot a strain on the battery. A much better oil would be a Synthetic 5W 30 for the Winter and then switch to a 10W 40 in the summer if you have some valve noise.
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1991 FORMULA 350-GONE BUT NOT FORGOTTEN
1 of 1,197 with L98 Option/13.79@100 mph
1994 25th ANNIVERSARY TRANS AM GT -1 of ONLY 2,000 made/ Only 128 made with a HURST 6-Speed Manual and 91 with T-Tops and Compact Disc/ K & N Filtercharger/Magnaflow Performance Muffler/Air Foil- ORIGINAL MINT Arctic White Ultra Rare SURVIVOR. DAYTONA 500 PACE CAR Decal Kit!
SOLD: 1989 Turbo T/A in 1991 it ran 12:18@115 mph
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