Porting And The Oil Seal Track
#1
Today i was making a templet of the stock s5 non-turbo ports on some plexi glass and while doing the the secondairs i noticed that the outter oil seal overlaps the ports at the very end (or beginning ) of an intake stroke. It does completly overlap, but looked like 50ish% overlaps the ports
Is this a stock port configuration? It didnt look like the ports were modified but i could be wrong.
Are all series engines like this?
-Jacob
Is this a stock port configuration? It didnt look like the ports were modified but i could be wrong.
Are all series engines like this?
-Jacob
#2
I Had this same question about a week ago, it was pointed out to me, that if you insert the outer oil seal and look at the actual scraper ( the part the contacts the housing, inner diameter of the outer ring) it has about 1/16th of an inch of clearence.
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