Not likely. 12 to 1 is race car territory, will require race fuel. In
combination with serious modifications to cam timing, carburation, port and
valve size and configuration, exhaust, substantial power gains can be
expected, but not by compression increases alone. John
Bob Kramer wrote:
> FOT,
> I know that some of the more seasoned and/or engineering types out there
> know the answer to this question. My machinist claims that an increase in
> compression from 10.5 to 1 to 12.5 to 1 will produce serious HP gains,
> something like 40 to 50%. Is that true?
>
> Bob Kramer
> TR3A, TR6, TR4A, Devin TR3
> Hill Country Triumph Club
> Corinthians Vintage Auto Racing
> rgk@flash.net
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