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Transmission tuner for 4t80e

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Old May 12, 2005 | 02:55 PM
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Default Transmission tuner for 4t80e

Has anyone purchased one of these for their GXP? I am wondering if they help at all? DP shows them, but good luck getting anything response from them.
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Old May 12, 2005 | 03:54 PM
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Do NOT send any money DP'* way, regardless of the temptation. Don't even visit the site.
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Old May 13, 2005 | 12:01 PM
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Does any place else offer the transmission tuner? I am glad to hear someone else advise about DP, I was skeptical about sending them money before I receive any product. Ty has promised me things in the past and never came through with them, so thanks for the warning! I wish Scott from Intense would post his findings so far, if any. I think they will be the best bet at getting any performance parts for the GXP'*.
Scott
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Old May 13, 2005 | 12:04 PM
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I have a 4T80E, what does this tuner do?
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Old May 13, 2005 | 12:30 PM
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Originally Posted by Jim W
I have a 4T80E, what does this tuner do?
Here is the description from DP:
4T80e Electronic Shift and Line pressure Tuner $135.00



Click to enlarge
This simple plug-in device makes your automatic overdrive transmission perform the best it can without a performance rebuild.

This unit is the very best of the budget performance options on the market.

TransTuner™ increases line pressure and shift firmness, eliminates expensive valve bodywork, eliminates overdrive torque converter shudder, and eliminates burnt bands increasing transmission life. Best of all, TransTuner™

Won’t void the factory powertrain warranty.

Installation takes about 10 minutes with no special tools required.

Each system is backed by a limited 90-day warranty.


Sounds kind of like a shift kit, to coin old muscle car terminology!
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Old May 15, 2005 | 02:47 PM
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Go to www.seriesoneperformance.com and look at the options for the earlier cars. Search on the brand names. Yes, they work. I'm assuming you're looking for something as nobody offers a GXP chip yet?
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Old May 24, 2005 | 09:21 PM
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What is wrong with Domestic Performance? I too was skeptical about that guy. He never returns emails or phone calls.

Btw...Jim...may be looking at a new transmission already -- the bands and clutch packs are burnt. Just had it checked out by Cottman.....great.
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Old May 24, 2005 | 09:37 PM
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Originally Posted by auroradude
He never returns emails or phone calls.
that is exactly the problem
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Old May 25, 2005 | 01:35 AM
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Originally Posted by auroradude
What is wrong with Domestic Performance? I too was skeptical about that guy. He never returns emails or phone calls.

Btw...Jim...may be looking at a new transmission already -- the bands and clutch packs are burnt. Just had it checked out by Cottman.....great.
As well as not shipping product that was paid for over a year ago to multiple members. And changing his phone number repeatedly.
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