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Stroker motor?


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so ive been trying to figure it out myself, and i cant do it.

 

Whats the difference in a "stroker" motor and a regualr one?

374577[/snapback]

 

The length of the STROKE is changed by altering where the rod connects to the Crank. Moving this point away from the center of the crank 2mm will give you a 4mm longer stroke.

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About 27cc"s

375103[/snapback]

 

Damn, you get 21cc by going to a 2mm overbore. Doesn't leave you much room if you need to do a bore/hone job, but still. Seems like you would get relatively same cc change for lot less doing it that way.

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ok so lets say you make a stock engine a 4mm stroker, how many CC's do you gain?

374747[/snapback]

 

 

Stock bore 64mm with a 4mm stroker crank would be 373.17 stock everything is 347.43 for a gain of 25.74cc's

 

66mm bore stock stroke is 369.49cc for a gain of 22.06cc's.

 

With a stroker crank you still have all the overbores left to a point because the stroker pistons don't come in all the same sizes that the stock pistons do. Once you've bored your cylinders out to 66mm you basically have nothing left to bore. Just boring your motor out for more power is stupid.

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