{ Scaring babies and little old ladies with open headers since 1964 }
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{ Scaring babies and little old ladies with open headers since 1964 }
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{ Scaring babies and little old ladies with open headers since 1964 }
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{ Scaring babies and little old ladies with open headers since 1964 }

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Transmission gear ratios

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{ Scaring babies and little old ladies with open headers since 1964 } :: BENCH RACING :: Shooting the breeze

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Transmission gear ratios Empty Transmission gear ratios

Post by junkyard junky May 10th 2008, 3:36 am

Does anyone know where I can find some info on what gear ratios are in a 00 silverado 1/2 ton automatic? I've went to yahoo. All I come up with is allison stuff.

junkyard junky
1000 post club

Number of posts : 1143
Registration date : 2007-10-10

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Transmission gear ratios Empty Re: Transmission gear ratios

Post by 40standard May 11th 2008, 4:47 pm

jack the truck up, mark a place on the tire and driveshaft, count & divide to get your ratio

40standard
Grease monkey

Number of posts : 235
Registration date : 2007-12-03
Location : Indianapolis

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Transmission gear ratios Empty Re: Transmission gear ratios

Post by herb73 May 11th 2008, 4:50 pm

look in your glove box at all of the little 3letter codes on the label

you should find a

GU5 WHICH IS 3.23

GU6 WHICH IS 3.42

GU7 WHICH IS 3.73


hope this will help

herb73
wrench fetcher

Number of posts : 111
Registration date : 2007-11-10
Age : 46

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Post by junkyard junky May 13th 2008, 3:14 am

I'll use those to determine what ratio the rear end is. Always been curious. Just trying to look for the rations of each gear in the transmission. Trying to figure out a way to get good gas mileage while towing. Very Happy

junkyard junky
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