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Yes its another question about 4.10 gears.

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Old 07-02-2009   #1 (permalink)
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Default Yes its another question about 4.10 gears.
I've been looking around the internet trying to find what RPMs an '88 AOD GT would be turning on 4.10 gears at around 70mph and I havnt had any luck. Also what it would run on 3.73s? Thanks a lot guys, im sure somebody has asked this question before, I just cant find it....
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Old 07-02-2009   #2 (permalink)
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Calculate Speed(MPH) for given RPM, Rear Gear Ratio and Trans Gear Ratio

AOD
First Gear 2.40-1
Second Gear 1.47-1
Third Gear 1-1
Fourth Gear 0.67-1 0.7-1
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Old 07-02-2009   #3 (permalink)
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Quote:
Originally Posted by new8514 View Post
Calculate Speed(MPH) for given RPM, Rear Gear Ratio and Trans Gear Ratio

AOD
First Gear 2.40-1
Second Gear 1.47-1
Third Gear 1-1
Fourth Gear 0.67-1 0.7-1
Great answer......

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Old 07-02-2009   #4 (permalink)
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awesome thanks for the help!
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Old 07-02-2009   #5 (permalink)
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Or you could ask what an AOD/3:73 runs at 70mph. Mine runs at 2400 at 70mph. With 4:10's, it'll be around 2600.
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Old 07-02-2009   #6 (permalink)
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Thanks Eagle, now im trying to decide if i should get 3.73s or the 4.10s. I do a little highway driving but i just like the idea of running a little lower RPM. Since I dont think there is a whole lot of difference between the two performance wise I think i'll go with the 3.73s
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Old 07-02-2009   #7 (permalink)
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The 3:73's would be better if you do a lot of highway driving. I've driven it coast to coast and it did fine.
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