Diff gearing with blower?

[dpatt711]

Is it practical/possible to drop your diff gear ratio if a blower is installed? I have 3.73s and want speed vs grunt

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[wz00r2]

Changing your ring opinion ratios is absolutely doable. Practical depends on the size of your wallet.

 

[novadan67]

I have 3.73s and want speed vs grunt

There's really no need to change gears. The transmission has plenty of gears (3 overdrive gears) to get you to high speed. I haven't done the math, but I'm guessing 10th gear with 3.73 rear at 7000rpm is WELL over 150mph.

 

[DT444T]

There's really no need to change gears. The transmission has plenty of gears (3 overdrive gears) to get you to high speed. I haven't done the math, but I'm guessing 10th gear with 3.73 rear at 7000rpm is WELL over 150mph.

According to these maths (https://spicerparts.com/calculators/transmission-ratio-rpm-calculator) 7000rpm in 10th is 288mph. I hate to be a downer but I don't think he's gonna make it!

 

[novadan67]

According to these maths (https://spicerparts.com/calculators/transmission-ratio-rpm-calculator) 7000rpm in 10th is 288mph. I hate to be a downer but I don't think he's gonna make it!

My point exactly... you will have more "grunt" AND higher top speed with the 3.73s

 

[dpatt711]

Wouldn't drive line rpm be a concern though, especially with 2-piece?

 

[DT444T]

Very much so.

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