long hesitation between 3-4 shift - what is going on? - Page 3 - Chevy and GMC Duramax Diesel Forum
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Old 12-07-2012, 06:41 AM   eBay Motors  #21 (permalink)
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Quote:
Originally Posted by Duramaxdavey View Post
Sub. Having same problems!
Stock tune?
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Old 12-07-2012, 07:11 AM   eBay Motors  #22 (permalink)
 
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This is looking like a very common problem. I'm using a Diablo hand held tuner on mine, and it is the same on all 4 tunes. I haven't tried going back to stock yet. I've thought about buying credits for my hp tuner's and trying to see if I could firm up all the shifts.
Funny, with all this new technology, an old school bone stock turbo 400 is still has the best feeling shift. IMHO.
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