oil mineral to synthetic
09-30-04, 06:15 PM
#1
Mmmm Cheeze....
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oil mineral to synthetic
Ok, I have heard that if I convert to synthetic oil from mineral my seals will shrink and I will lose compression. Is this true? I have an 85 12a with 165000 miles on it.
09-30-04, 07:45 PM
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Hunting Skylines
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Iron apex and side seals can shrink? lol No, it can make the soft seals like the oil control o-rings shrink which means your engine could start burning excessive oil.
10-01-04, 01:04 AM
#5
BAH, it's completely the opposite. A true synthetic oil like amsoil will help soften the seals. For pistons its a good idea, but rotary's i'm just not going to say anything.
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