How are you guys dyno tuning these Silverados? i can lock the converter, command 4th gear but it will always downshift into 3rd gear even if i ease into it.
I'm trying to see where i'm at horsepower and torque wise. i can only make a pull in 3rd gear without it downshifting by easing into WOT.
Yes i'm using manual mode.
Set all of the 4-3 downshift numbers to a small value, like 5mph. There are several tables.
See if that works.
Had to do this on a 2010 Camaro because the paddle shifters are broken....
This worked like a charm thanks. Don't know why i didn't think of it.Originally Posted by RonSSnova
but
A: I thought running transmission hard in overdrive was bad
B: why would you want to dyno in overdrive
Oh your 4th must be 1:1 ... ?
leave it in third unless you A: like chucking driveshafts, or B: have a built shaft that can handle the rpm.
The most hated, make the most power.
93 Ranger. 5.3 D1X. 1069hp.
Sweet!
6L80 is 1.15:1 in 4th.
I?m seeing 140 mph at 6000
Of course I?m working on a turbocharged Camaro. Not a truck.
3rd for me would be worthless
Driveshaft isn't going anywhere. This truck has a cam and supercharger pushing 6200 rpm making 400 rwtq and 410 rwhp in 4th gear. 7 psi boost
Has nothing to do with power you are putting to the rear wheels, it's all about the driveshafts critical speed.
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