Rear gear options?

[Stang 19]

looks like Yukon is the only brand of rear ring/pinion gears in 4.56 ratio??? Anyone know of other brands?

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[madlag]

I'd love to gear mine down a bit from 3:73:1. Fifth and Sixth gears (for me/where I drive) are useless. Maybe go something closer to 4:1...

 

[nastang87xx]

Doesn't Ford Performance have a 4.09?

 

[Stang 19]

Doesn't Ford Performance have a 4.09?

YES, they do, but the 10% difference is hardly worth it. Looks like i will go with the 4.56 Yukon set up. This lught to get her off the line with more oomph and into the power band more quickly.

 

[nastang87xx]

YES, they do, but the 10% difference is hardly worth it. Looks like i will go with the 4.56 Yukon set up. This lught to get her off the line with more oomph and into the power band more quickly.

I'd run the numbers through a ratio calculator before saying it's "not worth it." 4.56 is incredibly short.

https://spicerparts.com/calculators/transmission-ratio-rpm-calculator

 

[madlag]

I'd run the numbers through a ratio calculator before saying it's "not worth it." 4.56 is incredibly short.

https://spicerparts.com/calculators/transmission-ratio-rpm-calculator

I agree. 4.09 sounds good to me and 10% is prob what I’m look for. I didn’t know FP offered them.

 

[Stang 19]

Does anyone have a chart showing transmission gear ratios for 16-18 GT 350? I presume same for all 3 years?

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