Quote:
Originally Posted by t walgamuth
I always used it on my older cars before the 500sec. It just didn't work out for that motor. The mobil 1 10w30 worked fine, including about eight autocross events last summer.
Tom W
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Something to consider
Might try the synthetic next time
500 sec takes 9 qts
Shop out in 9 qts pennzoil 20w 50 7.5...whats the 7.5?
Still would want to go with 15 W 50 in so cal