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11-13-2020, 12:00 PM
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#1 |
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Registered User
Join Date: Aug 2013
Location: Wasteminster, Maryland
Posts: 409
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72 C10, Auto to Manual?
Hello all my fellow GM fans. I have a qwik question to ask. How hard, and is it possible to convert my 72, LWB, 5.7, TH350 truck to a manual trans?, and is it do-able? Basically, other than the clutch pedal assembly, the manual trans, clutch, master cylinder with reservoir, and bell housing, what all components do I need to make my truck into a floor mounted stick? I would really like to have a 4 spd, or even a 5 spd standard trans. Ive been thru several TH350s, as they just cant hold up to my needs. I use the truck as a daily driver/homestead/farm truck. and an occasional road trip. I do haul a motorcycle some times and also pull a small/medium trailer (between 12'-16' so not to big or very heavy for a half ton truck. I'm just looking for info on someone that's already done this swap or a thread on it. I've searched for one but turn up with no results. Any info is appreciated. thanx in advance
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72 C/10, LWB, 5.7, Auto, with A/C  F.B.I = Full Blood Indian Appalachia/Eastern Cherokee,"Tsalagi" |
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11-13-2020, 11:30 PM
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#2 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: 72 C10, Auto to Manual?
Loc doc did this with a nv4500 and converted the tranny to manual clutch linkage
Here is one thread http://67-72chevytrucks.com/vboard/s...d.php?t=212959 |
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11-14-2020, 01:30 AM
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#3 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: 72 C10, Auto to Manual?
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11-18-2020, 04:52 PM
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#4 |
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Registered User
Join Date: Aug 2013
Location: Wasteminster, Maryland
Posts: 409
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Re: 72 C10, Auto to Manual?
thank you gmc684x4. it is much appreciated
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72 C/10, LWB, 5.7, Auto, with A/C F.B.I = Full Blood Indian Appalachia/Eastern Cherokee,"Tsalagi" |
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11-18-2020, 05:36 PM
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#5 |
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Moderator
 Join Date: Dec 2012
Location: ON, Canada
Posts: 2,187
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Re: 72 C10, Auto to Manual?
I'd simply swap in a TH400.
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11-18-2020, 06:48 PM
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#6 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: 72 C10, Auto to Manual?
TH350s have done everything I've needed them to do, including that one I gave you that lived in a Custom Camper/20 that hauled a slide-in all it's life. You just need a good TH350. The one I mentioned was working fine when I pulled it. As far as I know it had never needed work and I owned that truck for 18 years.
To swap to manual you need the clutch pedal and linkage, hi-hump & bellhousing if it's a truck 4spd, and connect the wires from in & out of the neutral safety switch. I'm running a car Muncie 4spd in my '67 Project and am using the automatic crossmember instead of the truck bellhousing mounts.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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11-18-2020, 08:21 PM
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#7 |
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The Older Generation
 
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 26,075
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Re: 72 C10, Auto to Manual?
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Here is what I did..... http://67-72chevytrucks.com/vboard/s...d.php?t=673588 Doing it this way you can use all of the stock GM parts. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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