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 Help with Re-gearing.

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BlackMagic KJ

BlackMagic KJ


Posts : 223
Join date : 2011-03-03
Location : Jacksonville MD

Help with Re-gearing. Empty
PostSubject: Help with Re-gearing.   Help with Re-gearing. EmptyMon May 16, 2011 5:27 pm

hey yall. my next project is that im planning on regearing from stock ratios up to 4.10's to get some speed, wheel spin, and mileage back.

My question is do i just need to purchase new ring and pinion gears for front and rear or do i need other stuff?

Also any suggestions on brands or places to buy from that have good parts without breaking the bank?

Appreciate the help yall! thumbs up
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TJ

TJ


Posts : 290
Join date : 2008-07-23
Location : NJ

Help with Re-gearing. Empty
PostSubject: Re: Help with Re-gearing.   Help with Re-gearing. EmptyMon May 16, 2011 6:24 pm

I don't know what axles/diffs you are using, or your current gearing.....but, sometimes, the new gears need a different carrier...

For example, on the D44 for example, IIRC, we only needed a new carrier if the stock gears were less than 3.73, but at 3.73 or over, I think 4.10's went right in.

That might be a Dana thing. I'm not sure if the KJ you have is D30/D35 or D44, etc....but, that's a potential issue to find out about.

Also, depending on your current gears and planned tire size, etc....a 4.10 might not be perfect either...

For example, if the OEM's are 3.73, 3.55, 3.21, or one of the other common gearings.....your MPG might go DOWN with 4.10's...as the 4.10's will RAISE your RPM at any given speed/gear.

They would also mean you'd have LESS wheel speed for any given RPM (spin).

You'd also have LESS SPEED, but your ACCELERATION would improve.


Does this make sense?





geek
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JeeperX
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JeeperX


Posts : 1147
Join date : 2008-07-01
Age : 54
Location : Forest Hill MD

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PostSubject: Re: Help with Re-gearing.   Help with Re-gearing. EmptyWed May 18, 2011 8:40 pm

what he said

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PostSubject: Re: Help with Re-gearing.   Help with Re-gearing. Empty

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