Re: RE: Big Bore Alpine Motors

From: Jay Laifman (jlaifman(at)pircher.com)
Date: Tue Mar 11 1997 - 11:36:00 CST


I wrote:
>> 2. My engine was bored to 55 over because that size then
>> matched commonly available, better quality, rings for Lotus
>> engines.

Ramon and Dick ask:
>Fifty-five eh? Did you use a custom piston, or did you find an
>off-the-shelf application that would work with the Sunbeam rods?

**** NOTES from Jay Laifman (JLAIFMAN (at) PNM) at 3/11/97 9:32a
They were custom made from Jahn's or Aria's (I don't remember which, and
I might have the spelling wrong.

As to the rods, the piston wrist pins (correct term?) were made smaller
and the mechanic put a sleeve in there to make up the difference. He
swore that I would not have a reliability problem with that. I guess
I'll just have to wait and see.

I hear that there is a Volvo stock piston that results in 55 over. Maybe
someone knows which one.

Jay



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