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Old 03-12-2012, 08:03 PM   #7
Dock Dog
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Talking Re: Ford 4.20 Rear Gear Ratio?

Quote:
Originally Posted by quickford1 View Post
I would recount that ring gear, nascar runs a 422&a 430 never heared of a 420.
Rich
I counted it 10 times and it always came out to 42-10. I always divided the pinion into the ring gear and it came out to 4.20. I talked to a guy at Richmond Gear and he said their were some Nascar teams using this 4.20 ratio. I think I know how to count, a least I thought I did.
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