Just trying to get a feel for what people are using if any for a tuner on their gasoline tow vehicle. If your happy or not and what kind of results you have seen. I just sold my Diablosport Intune that I had purchased for my Avalanche 2500. No matter what I did including getting help from tech support the transmission shifts were wayyyyyy toooooo hard! I was scared to hook the trailer up with the tune installed in fear of really damaging the driveline. I did quite a bit of research before I purchased the Intune and thought it was the best value out there. I learned my lesson.

Black Bear has a good reputation for GMs. But I wouldn't bother for towing.

sportsman 500 wrote:Just trying to get a feel for what people are using if any for a tuner on their gasoline tow vehicle. If your happy or not and what kind of results you have seen. I just sold my Diablosport Intune that I had purchased for my Avalanche 2500. No matter what I did including getting help from tech support the transmission shifts were wayyyyyy toooooo hard! I was scared to hook the trailer up with the tune installed in fear of really damaging the driveline. I did quite a bit of research before I purchased the Intune and thought it was the best value out there. I learned my lesson.You know what they say."Fool me once, shame on them. Fool me twice, shame on me."Sounds like you answered your own question about tunes - from your own experience.

I had a Hypertech on my 2008 8.1l Silverado. I think the adjusted shift points was really the only thing I could notice, and oh ya.....had to run high test gas. Really a waste of money. Now I had a Hypertech Stage II on my Corvette and it was really a big kick in the butt but that is more what they are for.

sportsman 500 wrote:Just trying to get a feel for what people are using if any for a tuner on their gasoline tow vehicle. If your happy or not and what kind of results you have seen. I just sold my Diablosport Intune that I had purchased for my Avalanche 2500. No matter what I did including getting help from tech support the transmission shifts were wayyyyyy toooooo hard! I was scared to hook the trailer up with the tune installed in fear of really damaging the driveline. I did quite a bit of research before I purchased the Intune and thought it was the best value out there. I learned my lesson.My supercharged 5.3 would shift very very hard, it was the way the set up the trans. I pull my 5th wheel 35,000 miles, never had a problem.

black bear offers excellent tunes both towing and non towing.

Gasoline Engine Tuners | Good Sam Community

gmcsmoke
Explorer
Mar 06, 2014
black bear offers excellent tunes both towing and non towing.
Supercharged
Explorer
Mar 06, 2014
sportsman 500 wrote:
Just trying to get a feel for what people are using if any for a tuner on their gasoline tow vehicle. If your happy or not and what kind of results you have seen.
I just sold my Diablosport Intune that I had purchased for my Avalanche 2500. No matter what I did including getting help from tech support the transmission shifts were wayyyyyy toooooo hard! I was scared to hook the trailer up with the tune installed in fear of really damaging the driveline. I did quite a bit of research before I purchased the Intune and thought it was the best value out there. I learned my lesson.
My supercharged 5.3 would shift very very hard, it was the way the set up the trans. I pull my 5th wheel 35,000 miles, never had a problem.
Jack_Diane_Free
Explorer
Mar 06, 2014
I had a Hypertech on my 2008 8.1l Silverado. I think the adjusted shift points was really the only thing I could notice, and oh ya.....had to run high test gas. Really a waste of money. Now I had a Hypertech Stage II on my Corvette and it was really a big kick in the butt but that is more what they are for.
downtheroad
Explorer
Mar 06, 2014
sportsman 500 wrote:
Just trying to get a feel for what people are using if any for a tuner on their gasoline tow vehicle. If your happy or not and what kind of results you have seen.
I just sold my Diablosport Intune that I had purchased for my Avalanche 2500. No matter what I did including getting help from tech support the transmission shifts were wayyyyyy toooooo hard! I was scared to hook the trailer up with the tune installed in fear of really damaging the driveline. I did quite a bit of research before I purchased the Intune and thought it was the best value out there. I learned my lesson.

You know what they say.
"Fool me once, shame on them. Fool me twice, shame on me."

Sounds like you answered your own question about tunes - from your own experience.
APT
Explorer
Mar 06, 2014
Black Bear has a good reputation for GMs. But I wouldn't bother for towing.

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