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02-26-2004, 09:27 PM
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#1 |
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Registered User
Join Date: Nov 2003
Location: tulsa ok
Posts: 55
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700r4 swap (help)
I have decided to swap out my th350 with a 700r. I have a 72 3/4 ton 4x4 th350 396. I have done a lot of research and what I have found is no one makes an adapter for my 205 to make it bolt up to a 700r4 I would need to use my current adapter. I have been told that I need to move my 205 back 1 7/8 ". Has anybody done this? I could really use some advice. Are there any other options besides moving the 205 t-case back.
Thanks Steve
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1972 K20 custom camper 4x4 LWB 396 700r4 1965 chevy II 420 hp s/b 4 speed |
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02-26-2004, 09:48 PM
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#2 |
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SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,038
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It is a common swap. Try Advanced Adapters.
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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02-26-2004, 11:44 PM
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#3 |
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Registered User
Join Date: Nov 2003
Location: tulsa ok
Posts: 55
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I spoke with advanced adapter and they do not make one.
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1972 K20 custom camper 4x4 LWB 396 700r4 1965 chevy II 420 hp s/b 4 speed |
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02-27-2004, 10:54 AM
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#4 |
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Recovering 67-72 Addict
 
Join Date: Oct 2000
Location: North Bend, WA
Posts: 1,788
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You need to exchange the mainshaft in the TH700 with the one that Advace Adapters offers for this. You then use your TH350/Np205 adapter. You will need to slide the trans back or the engine forward. I chose to move the engine forward to give me more room for my HEI. Try doing a search. This topic has been covered a bunch.
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68 Short Fleet 4x4; 427; BTO Level 3 700R4; NP205; Dana 60 front and rear; 4" lift with 35's; Disc brakes; AGR variable ratio steering; factory bucket seats; factory tach and tilt. "Friends call me cruzer cuz I like fast cars and fast women" |
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02-27-2004, 11:16 AM
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#5 |
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Registered User
Join Date: Nov 2003
Location: tulsa ok
Posts: 55
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Thanks for your reply. I have been doing searches and have not found any on this aplication which seems odd. Most people say this is real common but I have yet to find a article with this swap.
I have search google yayoo and typed in all sorts of titles. thanks again
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1972 K20 custom camper 4x4 LWB 396 700r4 1965 chevy II 420 hp s/b 4 speed |
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02-27-2004, 01:54 PM
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#6 |
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SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,038
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Ask the question on the message boards at ColoradoK5.com. I know there are several guys on that board that have made the swap. CK5 has an article on swapping out a TH350 for an SM465 but I don't see on on the TH350/700r4 swap.
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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02-27-2004, 05:28 PM
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#7 |
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Registered User
Join Date: Feb 2003
Location: Fairborn,OH
Posts: 203
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Advances Adapters makes an output shaft that replaces the current one in the 700R4, the tailshaft is removed and the trans has to be completely disassembled to install it, then it mates up directly to the 350/205 adapter. the 700 is 1 7/8 longer than the 350 so the motor can be moved forward(preferred) or transfer moved back, which means changing lengths of the front and rear drive shafts.
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1970 GMC Burb 4x4 - 68 Chevy Front, FI LT1, 4L60E 1970 Chevy Impala 47,000 miles 2001 BMW 540i 6-speed 2002 Dodge Ram 1500 4x4 w/20's |
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02-28-2004, 12:23 AM
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#8 |
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Registered User
Join Date: Nov 2003
Location: tulsa ok
Posts: 55
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swap
thanks for your help!
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1972 K20 custom camper 4x4 LWB 396 700r4 1965 chevy II 420 hp s/b 4 speed |
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