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Old 10-01-2014, 09:02 AM   #6
Rex_A_Lott
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Join Date: Jun 2011
Location: Upstate South Carolina
Posts: 794
Default Re: Aluminum Winfield head ID

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Quote:
Originally Posted by wensum View Post
I have an alloy Winfield head, supposedly 7:1, but I had to get it machined to ensure piston clearance (rather than dismantle, machine the pistons and then get the motor re-balanced)
Also I had to get the combustion chamber relieved to clear larger inlet valves, so I guess the compression ratio has been reduced a tad, but I've no idea how much.
At this stage, there's little point in worrying about the compression ratio?
If the head is still off, its not that hard to check. If its together and running OK, then I agree, no real point in checking it now.
This sort of thing ( machining, clearancing, etc.) is why I said you have to check it to know for sure.
Good Luck to all.
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