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12-24-2011, 11:36 PM
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#1 |
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Registered User
Join Date: Jul 2009
Location: kankakee,il
Posts: 83
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transmission question
is there a way to put a th-400 in my 1999 1-ton i ask because trans is shot in my 99' and i have a good th-400 from a project that stalled any help is appreciated thanks
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1965 chevy short bed step side "angel" 366 bbc/th-350 auto 1999 gmc sierra "terra" 350/4l80e 1983 pontiac firebird "kat" 350 lt-1 paxton supercharger/t-5 5-speed |
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12-25-2011, 08:24 PM
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#2 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: transmission question
Yes it can be done, The drive shaft will need to be lengthened, The cooler lines reworked, A flexplate for a 4L60E, or a 3L80HD converter. The 4L80E shift shaft is longer than a TH400....might run into some problems with the shift cable. The neutral safety switch wont work (dangerous). The PCM will need the trans functions flashed out or stare at a permanent check engine light. Fab up a electric kick down switch.
Do yourself a favor & rebuild or replace the 4L80E. |
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12-26-2011, 07:58 PM
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#3 |
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Registered User
Join Date: Nov 2008
Location: kannapolis, nc
Posts: 571
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Re: transmission question
That answered a question of mine also
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