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Topic: GM Flywheel Casting # ?
Dirt Forum Racer
Total posts: 81
posted April 04, 2005 10:35 AM
Any casting number gurus out there?
I've got a GM flywheel w/the following sets of #s casted into it.
Any idea if that's 350 or 400? I was gonna use the flywheel we had on a 350 and put it on a 400 (w/a balancing plate), BUT the bolt pattern on the 350 is too small (late model 350 flywheel, older 400).
I had this other flywheel (w/the casting numbers above) lying around, and the bolt pattern does fit. But, I need to know what it was on originally to tell whether I need the balance plate or not (don't want to screw that up).
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