pulling motor

Anonymous-0 · Feb 3, 2013

How big of a motor can you make out of a 670 block and 800 head. Bore and stroke where can you get the parts needs for this?

Mopower · Feb 4, 2013

670 crankcase and 800 block/head?

Bore 800 blocks to 5.5" (or sleeve 6+")
7" stroke is common, some 7.5, 8" has been done but never seen one run.

665 cubes is common (5.5x7)
712 cubes (5.5x7.5)

There's a 900 cuber out there. I'm no engine builder by any means. I do have some talented pals building good stuff.

pulling motor

Anonymous-0

Well-known Member

Mopower

Well-known Member

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