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Posted

another thing, your cylinders will not work well with a 4mm now. They have already been ported for the stock stroke. If you want more power there is still alot left in them at the stock stroke. Just more porting thats all.

Posted

It's a 5mm longer rod, not 4.

If I were you, figure out a budget (double it...lol)...

Get a used 4mm stroke, 5mm long rod crank.

You'll need crank, pistons, all gaskets and have your cylinders re-ported to match the crank...as well as a cut head or domes.

 

You are looking at roughly 1K or so to do that all. If that is in your budget...go for it. Long rods alone really aren't worth it on a stock crank, you won't notice it.

 

If it's not in your budget, get more porting done on your cylinders.

Posted

dave like i already said, if you get the crank you will have to have the cylinders reported...and since i just ported them for stock stroke if i were to port them for the 4mill the intake duration would be too much. You can't run a stroker crank in those cyinders anymore.

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