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Old Mar 8, 2012 | 07:08 PM
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Default Gears?
I have a 2004 GMC Sierra 1500 4x4 with the 5.3 I'm currently running 3:73 gears, I'm running 33 in tires. I'm thinking of Eather 4:30 or 4:56 gears. Anyone running a similar set up? Thanks for any input
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Old Mar 8, 2012 | 07:27 PM
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i have a 4.8 with a 3200 stall and have 4.10's. perfect combo i got good top end and good take off. i also push 33.20 wheels.
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Old Mar 8, 2012 | 08:53 PM
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Tell your tire height. I have 32" tall tires, and am going to 4.56 gears.
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Old Mar 8, 2012 | 09:01 PM
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Originally Posted by Gadgetized
Tell your tire height. I have 32" tall tires, and am going to 4.56 gears.

exact height = 32.5/8 inch ....
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Old Mar 8, 2012 | 09:02 PM
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Originally Posted by mongooseboy000
i have a 4.8 with a 3200 stall and have 4.10's. perfect combo i got good top end and good take off. i also push 33.20 wheels.
do u by chance have a 0-60 vid. my trucks totally bolted with a tr220 cam but the low end sucks till about 2200-2400 rpm....
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Old Mar 9, 2012 | 09:25 AM
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33"s and 4.56s is alot of fun even behind a 4.8
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Old Mar 9, 2012 | 11:03 AM
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Originally Posted by GREENSIERRA
33"s and 4.56s is alot of fun even behind a 4.8
do you by chance have a 0-60 ish vid? and also whats ur rpms at like 70-75?
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Old Mar 9, 2012 | 11:36 AM
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These videos are right after the converter, before the tune

Not exactly a 0-60 but close enough.
Silverado GMT 900 - YouTube

cruisin at 70-75ish

light throttle - YouTube

hope this helps.
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Old Mar 9, 2012 | 02:06 PM
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Originally Posted by darnie
do you by chance have a 0-60 ish vid? and also whats ur rpms at like 70-75?
No I do not, that setup was in my brothers truck. He is now running 315s and it still rocks for a 4.8.
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Old Mar 9, 2012 | 03:29 PM
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ya thats ntb for 75- 2200 rpm.... im trucks fully bolted with a tr 220 cam, and a 5.3 so i figure it should be dam close if not alittle better? and thoses are with 4:10 right?

Originally Posted by mongooseboy000
These videos are right after the converter, before the tune

Not exactly a 0-60 but close enough.
Silverado GMT 900 - YouTube

cruisin at 70-75ish

light throttle - YouTube

hope this helps.
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