Quote:
Originally Posted by Ol' Ron
Now you have to measure the exact amount you'll have to remove. Mt thiughts are just about .100". I say this because I didn something like this for a Bivlle engine to get mor compression and still keep the transfer area, by using stock stroke pistons on a 4" crank.
Yes the Cr will increase quite abit
Gramps
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.100 seems about right for Ford pistons on a Merc crank, but the set up the O/P is referring to is only a 1/8" increase in stroke, not 1/4". This means that the relief would be half of that, or .050". I would be a bit more comfortable with that.