I'm having a Dyno adapter cut for my SD4,
From what I pulled offline for an s10 flywheel:
6 Bolts M10 evenly spaced on a 2.33" bolt circle
or is it a 60mm B.C? There's a difference of .82mm. It seems strange to have a metric flange with a B.C. nowhere near an even mm number or an inch number, since 2 5/16 is .020" off.
Crank Pilot is 1.5"
Can anyone confirm this?
Duke Crank Pattern
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The Dark Side of Will
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Re: Duke Crank Pattern
Quartermaster's 506630 drawing says 2.322" (59mm) bolt circle.
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FieroWanaBe1
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The Dark Side of Will
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Re: Duke Crank Pattern
Oh yeah, and they have 1.499-1.501 for the pilot bore.