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Drekkus
 Post subject: Head question
PostPosted: Sun Jul 15, 2007 10:30 am 
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Joined: Sun May 09, 2004 6:12 pm
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Location: Adelaide
I've just picked up an 295 head to put on the 1100 block.Its been shaved but how do I tell by how much ?
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drmini in aust
 Post subject:
PostPosted: Sun Jul 15, 2007 10:49 am 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
Measure thickness, was approx 2.750" when new. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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Convertible Mini
 Post subject: Shaving a head.
PostPosted: Sun Jul 15, 2007 7:51 pm 
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Joined: Thu Dec 09, 2004 6:57 am
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Location: JIMBOOMBA QLD.
Also might be an idea to measure the CC of the chambers and work out the proper size to suit the compression ratio you need to run your motor at. No point in bolting a head on an engine without working out the compression ratio.

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drmini in aust
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PostPosted: Sun Jul 15, 2007 8:38 pm 
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And if it's had more than about .075" off, it'll be more prone to blowing head gaskets.
Smallbore heads were not real thick in the deck. Their old age now and resulting internal corrosion don't help.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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