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7 port alloy head
https://www.ausmini.com/forums/viewtopic.php?f=2&t=90932
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Author:  Minicooper70 [ Sun Nov 01, 2015 1:50 pm ]
Post subject:  7 port alloy head

just pulled my head off for a tidy up and new gasket.

just wondering whose running these heads and what tension should be used for head studs and gap for roller rockers

Author:  drmini in aust [ Sun Nov 01, 2015 3:32 pm ]
Post subject:  Re: 7 port alloy head

I've heard to keep head tension below 35 ft/lb or the alloy collapses...

re the roller rockers,
1.3:1 ratio, use normal clearance (whatever the cam maker recommends), often it's .016"
1.5:1 ratio, add .003" to above.

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