GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

4.10 gears

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Old 04-26-2009 | 10:09 PM
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2.19 60' on the factory 20's. Now I got factory 17's back on. Hoping to pick up some e.t.
Old 04-27-2009 | 05:52 AM
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2.066 on the 60', it's right there on my sig.
Old 04-27-2009 | 07:12 AM
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Originally Posted by fast84
2.19 60' on the factory 20's. Now I got factory 17's back on. Hoping to pick up some e.t.
what was your et on this run. It seems like we have similar mods and just want to see what I can expect with the 4:10s
Old 04-27-2009 | 07:34 AM
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Originally Posted by JBGMC
Any of you guys (or gals) have 60' times with your 4:10s?
2.168 in a 2000 ecsb 2wd on toyo proxes, 4.10/trutrac and launching at 1/2 to 3/4 throttle (all my poor little tires could take haha)
Old 04-27-2009 | 08:17 AM
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I agree to get the 4.10's installed and don't look back. I haven't noticed a decrease in MPG over my 3.42's but have noticed a huge difference in acceleration. and it's nice to have a 3rd gear that doesn't fall on its face.

Don't have 60 times for anyone tho, never been to the track myself. Working on it though.
Old 04-27-2009 | 08:20 AM
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My gas mileage went UP with the 4.10s about .5 to 1 mpg over the 3.42s. But that's because I do a lot of city driving. My highway mileage went down about 3 mpg's. The 6 liter is a massive gas hog above 2000 rpms
Old 04-27-2009 | 11:17 PM
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Originally Posted by NGA PLZ
Dude with my 4.10s the lowest 60' i got was a 2.3 (with no wheel hop or spinning)! I think there is something with my tune....cause it kind of boggs down off the line.
probably the torque converter...did Justin say what it was flashing to?Mine would flash to 1800rpm punching it from a dead start.That's killing me more than my gears
Old 04-28-2009 | 08:25 AM
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Yeah thats prolly it...on my 89 tune it was quicker off the line, but with the 93 the top end is crazy. I want a converter, but i need to save my money....
Old 04-28-2009 | 10:16 AM
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Picked-up 4 tenths in the 1/8 mile going from 3.42 to 4.10....
Old 04-28-2009 | 11:31 AM
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4.10's, 4x4 and 20's are good for 11.4 mpg in my 08, ouch,
i'd take 3.73's anyday


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