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what the minimum clearance between head chambers 2 and 3
https://www.ausmini.com/forums/viewtopic.php?f=2&t=29952
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Author:  volkmini [ Sun Apr 01, 2007 8:15 pm ]
Post subject:  what the minimum clearance between head chambers 2 and 3

i have just got my head back from a port and polisher. he has done mini heads before so i think he knows what his doing. i had a good look at the clearances between chambers 2 and 3 and they seem pretty close. there is a very fine gab inbetween the chambers. does anyone know what the minimum clearance should be.
i can happily send you a picture if needed.
thanks

Author:  drmini in aust [ Sun Apr 01, 2007 8:18 pm ]
Post subject: 

Should be no less than the gasket is at that point.
:wink:

Author:  volkmini [ Sun Apr 01, 2007 8:23 pm ]
Post subject: 

what gasket has the smallest clearance.

Author:  drmini in aust [ Sun Apr 01, 2007 8:31 pm ]
Post subject: 

I use only the Payen BK450 `black' gasket, on a 1275.
Never had one burn out, even when for a while years ago I ran 2 gaskets to get the C/R down below 11:1.

The `copper' gaskets are not as well made since they took the asbestos out. So I don't use em. :wink:

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