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jimh_1962 · 12-03-2015, 01:46 PM

The transmission is a SM420. I think it had a transmission brake on it.

What is the best way to tell if it is 292 or a 250? The engine mounts are staggered.

12-03-2015, 01:46 PM	#10
jimh_1962 Registered User Join Date: Dec 2015 Location: california Posts: 12	Re: my son's flintstone long 1964 fleetside C10. The transmission is a SM420. I think it had a transmission brake on it. What is the best way to tell if it is 292 or a 250? The engine mounts are staggered.