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01-27-2025, 12:54 PM
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#1 |
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Registered User
Join Date: Apr 2021
Location: Spruce Grove, Alberta
Posts: 5
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Manual to auto swap
Hey everyone, I'm swapping from a manual transmission to auto transmission in a 1972 C10 and am wondering about the brake pedal. From what I can tell on LMC the pedal size is the same between a manual and auto. I'm curious about the spacing between the gas and brake. Is it the same between the two? Also any other tid bits of info on the swap would be appreciated. Switching from 3 on the tree to a turbo 350(i have a turbo 350 on hand already). Putting an auto tilt column out of a van into it. No idea what i will need for linkages. Need a new transmission crossmember, the old one was on the manual bell housing. Not sure what crossmember will fit, one out of a squarebody maybe? There aren't any older c10s around me to get parts from
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01-27-2025, 04:59 PM
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#2 |
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Senior Member
 
Join Date: Dec 1999
Location: Spring Valley, Ca.
Posts: 1,137
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Re: Manual to auto swap
You can use the same pedal assembly. Just remove the clutch pedal.
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Smitty '71 Short Fleetside Spring Valley, Ca. |
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01-27-2025, 06:06 PM
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#3 |
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Senior Member
Join Date: Nov 2011
Location: Yuma, AZ
Posts: 320
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Re: Manual to auto swap
Pretty straight forward swap, if you want to sell the clutch linakge parts from the firewall to clutch arm id be interested
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65 C-10 Times gone by(Sons truck)http://67-72chevytrucks.com/vboard/s...92#post6164692 70 C-30 Tow truck AKA Highlighter 02 Silverado 2500 HD CUCVII Tow Rig/DD 1968 C10 Project Quarantine http://67-72chevytrucks.com/vboard/s...d.php?t=804800 1980 Buick Regal Dirt Stock car |
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01-28-2025, 02:05 AM
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#4 |
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Senior Member
  
Join Date: Jan 2005
Location: CA
Posts: 6,078
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Re: Manual to auto swap
OER makes a reproduction of the original automatic transmission. I have no personal experience with it.
https://www.jegs.com/i/OER/691/T6772...BoCg0kQAvD_BwE |
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Today, 03:36 PM
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#5 |
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Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,507
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Re: Manual to auto swap
This thread has some good photos of the shift linkage that should help. The linkage connection at the transmission is a bit convoluted.
http://67-72chevytrucks.com/vboard/s...d.php?t=532323
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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Today, 05:16 PM
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#6 |
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Registered User
Join Date: Feb 2015
Location: Lethbridge Alberta, Canada
Posts: 169
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Re: Manual to auto swap
I'm in the process of doing this in my '67 except I'm going from a 4-speed to TH350.
I used a tilt column from a '79 van, and it actually bolted right in. The van column seems slightly longer because now there is less space between the steering wheel and the seat (good thing I'm slim). I found a used auto trans cross member online and had it sandbalsted and painted. That jegs one in the link that was provided above is a good deal. I paid more all in for mine. One thing to consider is what you want to do with the exhaust pipes. There are aftermarket options for cross members that work better with custom dual exhaust setups. I see you're in the Edmonton area. Not sure if you need more parts and how far you're willing to venture out, but theres a fellow in the Millarville, AB area that has several parts trucks on his farm and he is quite reasonable with pricing. Let me know if you'd like his contact info. Cheers.
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'67 c10 '65 c10 |
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