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04-25-2011, 07:34 PM
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#1 |
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Registered User
Join Date: Dec 2006
Location: Trinidad, Colorado
Posts: 642
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TH400 Questions
Will a 2WD TH400 work in a 4X4 with some sort of tail shaft swap??? Or is it a totally different case?
Father has a 1 ton dually with NP205 T-Case, and the tranny is out...Can't seem to find a 4X4 tranny to replace it....therefore looking to see if 2WD would possibly work with some tail shaft changes? I'm a 4 speed guy so any help would be great!!! A............
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69' 3/4 4X4 470ci BBC 700 HP....  D60/14bolt 205/465 http://profile.myspace.com/index.cfm...ndid=127691959 |
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04-25-2011, 07:45 PM
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#2 |
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Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,454
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Re: TH400 Questions
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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04-25-2011, 08:23 PM
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#3 |
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Registered User
Join Date: Dec 2006
Location: Trinidad, Colorado
Posts: 642
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Re: TH400 Questions
Seems I need a 25.00 membership fee to see content on the K5 link....
A........
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69' 3/4 4X4 470ci BBC 700 HP.... D60/14bolt 205/465 http://profile.myspace.com/index.cfm...ndid=127691959 |
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04-25-2011, 09:51 PM
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#4 |
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Registered User
 
Join Date: May 2007
Location: Rapid City South Dakota
Posts: 2,359
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Re: TH400 Questions
My th400 for my blazer is the same as short shaft 2wd 400, with the tailshaft housing removed.
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Turp Mcspray New life for an old 2wd, farm blazer http://67-72chevytrucks.com/vboard/s...d.php?t=505987 My Blazer build http://67-72chevytrucks.com/vboard/s...d.php?t=342299 |
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04-25-2011, 10:17 PM
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#5 |
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Grease Monkey
Join Date: Oct 2007
Location: Fresno CA
Posts: 750
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Re: TH400 Questions
In my experience with chevy trans, you will be able to remove the tail shaft housing and swap out the output shaft.
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Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12 |
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04-27-2011, 08:25 PM
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#6 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,715
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Re: TH400 Questions
Yup, I believe the case is the same but the mainshaft is different. I have heard that original 4wd cases are heavier castings but cannot personally verify this.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax Last edited by Mike C; 04-27-2011 at 08:27 PM. |
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04-27-2011, 08:37 PM
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#7 |
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Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,454
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Re: TH400 Questions
I have a 2wd tranny that has a bolt yoke. This tranny is the same as the early ones that had the 8 track pattern 205. Pre-85 IIRC. 86 and newer requires the short 205 input.
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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04-27-2011, 08:48 PM
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#8 | |
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Currently Blazerless
Join Date: Apr 2000
Location: St. Joseph Mo.
Posts: 4,826
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Re: TH400 Questions
Quote:
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1972 C/30 133" W.B. C&C 1970 GMC 3500 157" W.B. single wheel C&C |
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04-27-2011, 09:14 PM
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#9 |
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Currently Blazerless
Join Date: Apr 2000
Location: St. Joseph Mo.
Posts: 4,826
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Re: TH400 Questions
Heres a few pics of one of my TH400 205s, you can see how deep the input gear is, this is the one that will bolt right up to a 2 wheel drive TH400
  
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1972 C/30 133" W.B. C&C 1970 GMC 3500 157" W.B. single wheel C&C |
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