Atkins Apex Seals
10-03-02, 01:07 AM
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well, a friend and i just rebuilt his '91 na with 'em... the motor hasn't blown up yet, and it started quickly 
The good thing about those seals, AFAIK, is that the apex seal groove width in the rotor is less important, as it is much harder to 'pull' that single big seal out than it is to pull the top smaller piece of seal out. the running clearance is increased from .006" to .010" IIRC -- quite a large difference that could make the difference between milling for 3mm and not in some cases i'm sure.
The good thing about those seals, AFAIK, is that the apex seal groove width in the rotor is less important, as it is much harder to 'pull' that single big seal out than it is to pull the top smaller piece of seal out. the running clearance is increased from .006" to .010" IIRC -- quite a large difference that could make the difference between milling for 3mm and not in some cases i'm sure.
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