Updated SCT tunes
Postmaster
Joined: Apr 2004
Posts: 2,654
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From: Bossier City, LA
One thing I might add for anyone reading this. Tire size calculation DOES NOT RECALIBRATE YOUR SPEEDOMETER. It just calibrates the shift points for the trans. So before you go getting yourself a ticket, best bet (with the SCT uninstalled) is to have the dealership calibrate the ECM for your tire size.
Postmaster
Joined: Jan 2005
Posts: 4,743
Likes: 3
From: Peoria, IL
Kuhmo evidently doesn't put the Rev/mile numbers on their site. You will have to contact them directly to find that out.
Mrxlh, I didn't realize the Xcal couldnt change the speedometer settings. Any idea why that is. Seems silly to have the same info in two different systems.
Mrxlh, I didn't realize the Xcal couldnt change the speedometer settings. Any idea why that is. Seems silly to have the same info in two different systems.
New User
Joined: Aug 2007
Posts: 9
Likes: 0
Just put in the agg street from Matt and WOW what a difference from stock. Of course my test drive to work in the morning included rain and wet roads but stepping on the throttle and walking a crew cab dually sideways gave me a big smile. It tries really hard to spin the tires even when the roads are dry, never expected that much from just using matt's tune.
Elder User
Joined: Apr 2004
Posts: 890
Likes: 1
From: Douglas County, GA
Originally Posted by LvTitan
welcome to spartan tunes my friend 
my ol' lady gets mad when i drift a 8000lb crew cab lifted 4x4 sideways across parking lots (full of cars )
my ol' lady gets mad when i drift a 8000lb crew cab lifted 4x4 sideways across parking lots (full of cars )
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