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 Post subject: Skimmed 295 head
PostPosted: Sun Apr 30, 2017 9:27 am 
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848cc
848cc

Joined: Sat Mar 01, 2014 2:29 pm
Posts: 126
Location: Maryborough, Qld
Is 100 though too much to take off a 295 head?


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 Post subject: Re: Skimmed 295 head
PostPosted: Sun Apr 30, 2017 10:40 am 
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1275cc
1275cc

Joined: Wed Jan 19, 2005 1:52 pm
Posts: 2139
Location: Brisbane
why ruin a rare head? Get high compression pistons, flat tops are available.

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 Post subject: Re: Skimmed 295 head
PostPosted: Sun Apr 30, 2017 10:46 am 
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848cc
848cc

Joined: Sat Mar 01, 2014 2:29 pm
Posts: 126
Location: Maryborough, Qld
So 100 thou is going over the top? Will the head still be functional?


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 Post subject: Re: Skimmed 295 head
PostPosted: Mon May 01, 2017 9:41 am 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 38185
Location: near Baulkham Hills, NSW
These days I would not take more than .075" off any early small bore head, including the 295. Max .060" off is safer.
Reasons:
1. They had a much thinner deck than 1275heads when new.
2. After 50 years of corrosion they are even thinner in there. Expect head gasket leaks if you rip too much off.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank @7000+, 45 Dellorto, RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. Going harder with Stealth Black Box in.:mrgreen:

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