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shift points

info on remapping trans shift points

shift points

Postby darkness777 [OP] » Aug 27 2010, 11:23am

im looking for anyway i can find to make my truck perform better for hauling towing and fuel economy, and i have heard that reprogramming transmission shift points can be beneficial. i was wondering if anyone has done this before and if they achieved the result the were after?
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Re: shift points

Postby koolz71 » Aug 27 2010, 1:04pm

Does your truck have the tow haul mode on the end of the colum? I know i have used this before to help when towing
Crap, my hampster fell off the wheel and it broke its leg.

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Re: shift points

Postby darkness777 [OP] » Aug 27 2010, 2:27pm

it does have it, and i've used before and it really seems to help especially going up hills, but the one time i used it was on a small enclosed trailer...so im not sure if it will still be enough for my car hauler...
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darkness777
Firing on 2 cylinders [L1]
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Re: shift points

Postby koolz71 » Aug 27 2010, 2:57pm

It should be, Tow Haul will extend the shift points ( shift a little later ) to help the truck gain momentum under load. It also locks the converter in second gear to help cool the transmission. It also drops 100 psi of pressure to the trans
Crap, my hampster fell off the wheel and it broke its leg.

Check out my blog



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Shifting into Sixth Gear! [L3]
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Re: shift points

Postby darkness777 [OP] » Aug 27 2010, 3:11pm

that is very good to know
thanks
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darkness777
Firing on 2 cylinders [L1]
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Location: Vicenza, IT
Year: 2004
Make/Model: Chevrolet Silverado
Extra Info: LS 5.3L Z71
Group Membership:
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