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10-07-2009, 02:18 PM
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#1 |
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Cultural Infidel
 
Join Date: Jan 2007
Location: Clearwater, FL
Posts: 668
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5 Speed swap
Has anyone gone from a TH350/ Th400 to a 5 speed? If so what tranny did you use and how much fabbing is involved? Is there direct bolt in for this swap?
-Mark
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posted via La-Z-Boy -Mark 1972 C-10 Fleetside 350/TH350 PS PB A/C Cab Sadly....Sold  1968 Short Fleet 350/TH400 PS PB Delivered by Fine69  Also sadly Sold!It may be that your whole purpose in life is simply to serve as a warning to others. A man is not complete until he is married -- then he is finished. |
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10-07-2009, 02:46 PM
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#2 |
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motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: 5 Speed swap
I used a TKO-500 and switched from a TH400. No 'bolt-ins' going from auto to manual that I know of. I had to move the crossmember, change driveshaft length, fab up clutch pedal/master cylinder (I used a hydraulic t.o. bearing), and cut a hole for the shifter. The only thing I was able to reuse was the tranny mount itself
 here are a couple picshttp://67-72chevytrucks.com/vboard/s...d.php?t=364326 I've posted pics in other threads too, you may try a search. Any specific questions, just ask!
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac   Use the SEARCH function on this forum - it is your friend!! |
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10-07-2009, 04:23 PM
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#3 | |
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Cultural Infidel
Join Date: Jan 2007
Location: Clearwater, FL
Posts: 668
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Re: 5 Speed swap
Quote:
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posted via La-Z-Boy -Mark 1972 C-10 Fleetside 350/TH350 PS PB A/C Cab Sadly....Sold 1968 Short Fleet 350/TH400 PS PB Delivered by Fine69 Also sadly Sold!It may be that your whole purpose in life is simply to serve as a warning to others. A man is not complete until he is married -- then he is finished. Last edited by Piece of Work; 10-07-2009 at 04:24 PM. |
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10-07-2009, 05:15 PM
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#4 |
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Eat My Rust
Join Date: Jan 2007
Location: Cypress, Texas
Posts: 3,362
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Re: 5 Speed swap
NV3500 is also a good choice. Same steps as above though.
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10-07-2009, 06:12 PM
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#5 | |
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motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: 5 Speed swap
Quote:
I'm really not trying to be a smart ass, but I have a 454 and a leadfoot, so MPG was never my intention for the swap. I did it for the fun factor and for the ability to let her 'stretch her legs' on the highway. In fact, I just pulled the 454 out for a rebuild aiming for 530hp... But yes, if driven like a normal adult, the .68 OD will offer decent mpg over a non-OD trans, even with 3.73's. I'm sure I could get 15-16 on the highway if I didn't hammer on it so much. I was getting 12-13 before, but that was at 55mph, not 70-75 like I can cruise now. BUT- my swap cost right around $2200 by the time it was all said and done, and you can buy a lot of gas for that, so it may be time to get out your calculator and see if it's worth it in the end. Or you can buy a used 4cyl car for $2200 and get 30mpg all day... In my opinion, an NV3500 isn't worth the trouble. some say they'll live behind a stock motor, and it might if you drive like an old woman. I had one in a '92 ecsb 1/2 ton with a slightly warmed over tbi 350 and they would'nt hold up. That was what I got the TKO for originally, but ended up selling the truck and putting the TKO in my '69. You can pick up a used one for around 400-500bucks all day, but again, you still some fabbing ahead of you. Is an overdrive automatic not something you want? Do you have a budget in mind?
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac Use the SEARCH function on this forum - it is your friend!! |
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10-07-2009, 10:43 PM
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#6 |
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Eat My Rust
Join Date: Jan 2007
Location: Cypress, Texas
Posts: 3,362
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Re: 5 Speed swap
I'm sorry, I meant the 4500.
I keep thinking 3500 since that's the designation for the 3/4 tons. |
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10-08-2009, 03:50 AM
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#7 | |
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Account Suspended
Join Date: Jan 2009
Location: galt ca,
Posts: 749
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Re: 5 Speed swap
Quote:
you would be better off with a 3500 or 3550 than a 4500. 4500 are less common in chevy, very big and slow shifting, its a truck tranny not a go fast and speeder tranny. a world class t5 would do ok, you would need to buy the clutch stuff in peices because you will need a 26 spilne disc. Last edited by 2tons of fun; 10-08-2009 at 03:51 AM. |
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10-08-2009, 01:24 PM
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#8 |
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Registered User
Join Date: May 2009
Location: Laporte, IN
Posts: 167
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Re: 5 Speed swap
BossHogg69,
Where does one find a used TKO for $400-500 all day long? I've been watching several different sites and have only been able to locate new for +$2200! Thanks MrBlue
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MrBlue 72' C-10 350 TKO-600 Current Project 54' Ford F-100 Life Long Project |
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10-08-2009, 02:01 PM
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#9 | |
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Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: 5 Speed swap
Quote:
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10-08-2009, 05:13 PM
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#10 |
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motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: 5 Speed swap
Thanks Jim_PA
 I WISH I could've found a used TKO!!! But if you want a t56, those are fairly common on the used market. .... and that was pretty funny 2tons
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac Use the SEARCH function on this forum - it is your friend!! Last edited by BossHogg69; 10-08-2009 at 05:15 PM. |
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10-08-2009, 05:38 PM
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#11 |
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Six in a row makes it go...
Join Date: Mar 2009
Location: Vacationland: Maine
Posts: 1,346
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Re: 5 Speed swap
I swapped a TH350 to a Richmond 5-speed. Used factory clutch/bell housing/linkages. had to make my own shift handle.
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67 C20 long step resto: http://67-72chevytrucks.com/vboard/s...d.php?t=342086 66 C10 long step build: http://67-72chevytrucks.com/vboard/s...=1#post3814790 CT to Alaska in a 67 C10: http://67-72chevytrucks.com/vboard/s...d.php?t=399224 “The height of sophistication is simplicity." - Clare Boothe Luce |
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10-08-2009, 05:44 PM
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#12 |
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Cool Truck
Join Date: Dec 2008
Location: Bowie,MD
Posts: 1,869
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Re: 5 Speed swap
I swapped to a T-5 out of an 83 Camaro. I haven't had any problems with it.
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1968 Chevrolet C20 Longhorn "Cool Truck" 1937 Chevrolet Pickup - Project Looking for a patina'd 68 50th Anniversary longbed |
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10-08-2009, 08:47 PM
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#13 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: 5 Speed swap
I can tear up a T-5 with a V6 mustang
T56 is the way to go.
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10-08-2009, 09:06 PM
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#14 | |
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Eat My Rust
Join Date: Jan 2007
Location: Cypress, Texas
Posts: 3,362
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Re: 5 Speed swap
Quote:
 My bad (again)..
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