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Towing With Blackbear Sport Tcm

BLACK REV 800 X

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BLACK REV 800 X Enthusiast

BLACK REV 800 X

Posted
Posted

I know Justing has not recommended it, but wondering if anyone is towing much weight with the sport TCM installed? My 6 speed shifts very smooth under light throttle, and I'm thinking if I take it easy while accelerating I should not damage anything? I'm towing a boat that is about 5500 lbs...

 

Or, maybe I better take the time to install the Daily-Tow TCM tune? I don't want to damage anything.

 

Thanks.

Stevens03 Senior Enthusiast

Stevens03

Posted
Posted

I've not towed with Blackbear, but 2 other custom tunes without issue. I don't believe you'll have any issue other than making sure your running the correct octane for the tune. Otherwise you'll have ping. :thumbs:

fraiolib Enthusiast

fraiolib

Posted
Posted

no hes asking about using the sport transmission tune. and no, its a bad idea. so you have your sport TCM in now. what happens when you hit the tow/haul button with the sport tune in?

when i have my sport tune in my tow/haul is still there

becker87 Senior Enthusiast

becker87

Posted
Posted

This is how mine works anyway,

 

I have two sepperate tunes, sport and tow. Sport has TM reduced and shifts firmed up, when the tow/haul button is used while the Sport tune is installed the tranny holds gears longer and shifts down quicker when i lift of the throttle. The tow tune is pretty much like stock but when the tow/haul button is pushed the tranny holds gears longer and shifts down quicker, TM is also completely there with the tow tune.

 

I would not recommend towing with the sport tune because it has the TM reduced so pulling would put more strain on the tranny.

 

 

Also i believe on the 6 spds you can not have to sepperate tunes on one TCM flash, So your tourqe managment stays the same if you hit the tow/haul button. So make sure you have your tow tune in while towing.

fraiolib Enthusiast

fraiolib

Posted
Posted

I think you guys are crazy.... I have two tunes also... Sport and daily driver. With both tunes when the tow haul is used its the factory tow/haul program...

Carder09 Senior Enthusiast

Carder09

Posted
Posted

Maybe its because I have an 06 model but Justin made my tow haul button performance mode, I actually got my truck dynoed after I put in the new PCM and the HP and TQ jumped a good bit! so I probably wouldnt be hauling anything in the tow/haul mode since I had him remove 100% TM removed.

becker87 Senior Enthusiast

becker87

Posted
Posted
I think you guys are crazy.... I have two tunes also... Sport and daily driver. With both tunes when the tow haul is used its the factory tow/haul program...

 

 

Are you sure? Maybe justin will chime in and let us all know. Until then i will be towing with my tow tune to protect my tranny.

fraiolib Enthusiast

fraiolib

Posted
Posted

Yea, my sport tune 100% of TM is removed but i tow wuth that tune all the time, i just hit the tow/haul button. I told him i tow alot so maybe he did this on mine for that reason, i have read about guys that have their tow haul set as their sport tune, but all that i have read about are 4spds.

Jennabear Senior Enthusiast

Jennabear

Posted
Posted

In all likely hood, you would probably be fine. Since you have the opportunity to switch back, I would do so just to be safe.

Doug_Scott Senior Enthusiast

Doug_Scott

Posted
Posted

On 2010 Sierra the two/haul is stock, button out, BB tune.

 

One thing I notice with the tow\haul mode, the 2-3 shift is so smooth you don't even know it happened if you had the stereo playing loud, and was not looking at the tach.

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