No, I have had blowers before, and blocking off the PCV valve??? Never heard of it....never did it before...must be a GM thing.
Castrol GTX 10W30...not synthetic.
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Dustin
89 Saleen GT Sport
Supercharged 306
Started her up 6/8/03
Old Motor
Supercharged 347
516 rwhp
553 rwtq
11.249@126.83
1997 Honda CBR 1100XX Super Blackbird
162 hp
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