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these tranny's limp easy with anything over 50whp tunes in 5th. done it several times already. Wish a strong tranny rebuild didnt cost so much on these trucks

Like the title says... I currently have 2.22 but had a buddy send me his tune file to look at and it does the outside bounds of array message. If it ends up being that I need to upgrade to 2.23...

wow, sorry to revive such an old thread but im having the same problem on my supercharged c5z. attached is my current tune file that im just starting to work on. any help that someone can provide...

if you prefer just email me the tune file [email protected] thanks.

click "post reply" and then find the little paperclip icon and from there it allows you to attach the tune file and then click submit reply once you have the file attached.

care to post the tune?

Just finished a 383 stroker build with afr 205s, all the bolt ons, a custom grind cam, and a custom 3.3 whipple setup. I try to crank it and it fires, but will barely run and turn off almost...

in the repository, there is only one tune that is over 100hp, but the guy says it will limp the tranny even in 3rd at will.

id be interested as well

actually, im looking right now to order an egt guage and boost gauge. Any ideas on where to get them at a good price? I'd be happy to take your tunes :-)

definately better than stock! I dont even feel my boat behind the truck. Had to look back a few times just to make sure it was still there. Nothing like my last 1500HD. That thing always felt the...

thanks so much. Gonna try it out right now. About to head out the door with my boat behind the truck about 9k lbs.

I have an 01' Silverado Crew Cab short bed 4x4. Stock aside from stock straight pipe exhaust. Do you guys have any tunes I can start to play with that makes a bit more power than stock. Not...

any more specific eta on when this is going to be available for the 6.0 powerstroke?

Like the title says, I definately need to get this truck tuned but want a file to start from. Does anybody have a tune file I can start with and do minor tweaking to on my own?

its an 03'...

whats done to the motor? Is it stock?