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full throttle upshift

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Old May 4, 2011 | 03:11 AM
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Default full throttle upshift

so i heard on tow haul mode people are having a full throttle upshift only done.

meaning cruise in first gear doing 20 25 30 or whatever and truck will stay in first till you floor it then it will let it upshift.. but only once full throttle.

i hate how when i put it in first and im doing 20 right when i go to hit (seems like a split second before i floor it) it shifts into second on its own out of no where.

everytime it makes me miss the manual valve bodie in my 96
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Old May 4, 2011 | 03:27 AM
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Originally Posted by BadAssChevy327
so i heard on tow haul mode people are having a full throttle upshift only done.

meaning cruise in first gear doing 20 25 30 or whatever and truck will stay in first till you floor it then it will let it upshift.. but only once full throttle.

i hate how when i put it in first and im doing 20 right when i go to hit (seems like a split second before i floor it) it shifts into second on its own out of no where.

everytime it makes me miss the manual valve bodie in my 96
Yep. Its awesome. Once you click in tow/haul, it stays in that gear til it has to shift from matching RPM/MPH.
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Old May 4, 2011 | 03:31 AM
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nice. what tuner do you have? how would i word that to blackbear?
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Old May 4, 2011 | 03:48 AM
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Originally Posted by BadAssChevy327
nice. what tuner do you have? how would i word that to blackbear?
Wheatley seems to do alot of the awesome tow/haul settings.

If you say "I want the street racing tow/haul setup", he will no what you mean lol, cause thats how he worded it to me one day.
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Old May 4, 2011 | 05:31 AM
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I have mine to hold till 32mph in first anything below 50% tps with the tow/haul on. Works great for the roll races
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Old May 4, 2011 | 11:23 PM
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Originally Posted by 2007chevy5.3l
I have mine to hold till 32mph in first anything below 50% tps with the tow/haul on. Works great for the roll races
nice. whats it do in second gear same thing just different mph?
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Old May 5, 2011 | 10:20 AM
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BAC327,, the easiest way to do this is to figure out your WOT MPH shift points. Lets say 50 1-2 and 90 2-3
You set the T/H Part throttle 1-2 Shift Column to 50mph and the PT 2-3 Shift Column to 90.
And you set the T/H PT 2-1 and 3-2 Downshift columns accordingly.

It helps a ton with the 80E since it takes a while for it to downshift.
I use to have mine setup like that when i had the turbo but it sucked when my dad or brother would borrow the truck and haul something. They always would call me asking me why it wouldnt shift..
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Old May 5, 2011 | 11:09 AM
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Lol. Stuck in gear towing

But yeah I noticed this 80e hates downshifting. I floor it and count to 2 or 3 and it starts going lol. I'm excited to get this tune done
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Old May 5, 2011 | 11:12 AM
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lol I guess i'm the only one that doesn't care for this feature... Everytime I use towhaul like that ill spin, upshift, downshift, upshift and take off.
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Old May 5, 2011 | 12:07 PM
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Originally Posted by Camaro Zach
lol I guess i'm the only one that doesn't care for this feature... Everytime I use towhaul like that ill spin, upshift, downshift, upshift and take off.
thats why people with slow vehicles like mine like it lol.


maybe i should look into this for my retune with BBP. i told him sport mode, which it takes less throttle for it to downshift/firmer shifts/higher rpm shifts, but i dont have this type of race mode. think ill get it, will be great when i get my 4.88's in
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