Repacing Final Drive Gear(s)

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Feb 21, 2002 | 06:21 AM

#11

Wesmaster

Registered User

Joined: Oct 2000

Posts: 5,765

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From: Houston

Quote:

Originally posted by mingster
i think i can live with an 4.8% difference on the 4.3 gear ratio

Agreed, it's not like I follow the speed limit anyway.

Feb 21, 2002 | 06:26 AM

#12

xviper

Joined: Mar 2001

Posts: 37,305

Likes: 18

Quote:

Originally posted by mingster

i think i can live with an 4.8% difference on the 4.3 gear ratio

So would this translate into 4.8% increase in HP and TQ? (ie. 10-12 HP at crank?)

I put 4.11 gears into a '67 Mustang that came with 3.xx gears. I loved what it did on the drag strip but I couldn't stand it on the highway.

Feb 21, 2002 | 11:57 PM

#13

realthing

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Joined: Aug 2001

Posts: 445

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What would be the engine rpm at 60mph for these final drives respectively?

thanks.

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