[cottonpicker14]

THe former owner installed a Brute Strength posi unit and 4.10 gears.
From what I understand, its a Carrier 4 unit and is suppose to use only gear ratios of 4.10 to 6.10.
I would like to install something higher than 4.10's, like 3.73 or 3.55's
Does anyone know if there is way to install either of these ratios in a Carrier 4 unit ?
Thanks

[TJS69]

You can install 3.73's made for a 4-series carrier. There is no higher (numerically lower) gear ratio available. Ironicaly this is a thin gear higher priced than a comparable thick gear.

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69 Camaro Z28 "clone" - 327 AT
"461" camel back heads,
edelbrock , hooker, ultradyne cam, stewart,
TRW etc.
Vintage Air (not yet installed)
700R4 TPI transmission

[ZZ-28]

Cottonpicker, are you from Robstown by any chance? Class of '65.