Quote:
Originally Posted by flu
Just trying to see how many people put a 50mm or 52mm kit on and had the crank fail on them. I keep reading that it WILL ruin a stock crank but I haven't read anyone posting that it has.
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We have 2 with them..one is over 5,000...the other over 6,000. What eats them up..is improper install. Folks will slap one on and end up with a compression of 240psi and have seen even higher
Starter cannot crank it...and I could BARELY kick it over. Needles to say on both..the cranks did not last...nor did the pistons. The detonation..heat caused by it and super high compression made the flat top pistons bowl shaped excessively. When built ours we added an extra base gasket and head gasket. This kept the pressure about 180 psi...and not a single issue in their 5,000-6,000 miles.Bottom line...a little common sense and mechanical knowledge go a long way.
