Tuned By FLACO

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Mar 10, 2017 | 07:30 AM

#41

Atomic

I have a gauge for that

iTrader: (42)

Joined: Jan 2006

Posts: 16,282

Likes: 438

From: Huntsville, AL

That shallower first gear is a benefit for guys that put down decent power and need to control traction better. Been 1.3s at 5000lb with an 80e with 3.73s.

Mar 10, 2017 | 08:57 AM

#42

97ChevyVortec

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Teching In

Joined: Feb 2015

Posts: 45

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Dang guys, Didn't wanna get errbody fired up on this! lol

Mar 10, 2017 | 01:21 PM

#43

GMCtrk

TECH Senior Member

iTrader: (27)

Joined: Jul 2004

Posts: 12,275

Likes: 19

From: Dallas

Quote:

Originally Posted by Blown06

I've got stacks of time slips from a 4000+ truck over here that say otherwise.

4550 lb daily driver with a 4l80e and 4.10's running 1.50's in the 60

4110 lb daily driver race truck with the same 2.48 first gear as a 4l80 and 3.90 gears running 1.30's in the 60 with a mountain of power pulled out of it and ramped back in over 1.0 second.

What was your setup back in the day that ran 10s? Iirc wasnt it an iron 5.7 and d1sc?