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Old 01-15-2017, 02:05 PM   #1
BFoley
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'84 Auto to Manual Swap Compatibility

I feel like I should be able to find this specific info on the interwebs, but I figured I would just ask it here as I have been coming up short. We are swapping out the 305 in my brother's '84 C10 for a 350 and he is interested in converting from auto to manual as well. What tranny model should we be looking for? What would have been a manual transmission that twas sold with it? Any info is GREATLY appreciated!
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'66 GMC K25 (305 V6, SM420) aka "Mabel"
Link to project http://67-72chevytrucks.com/vboard/s...d.php?t=698082

All gone - '66 CJ5, '69 C25, '69 C25 Camper Special, '79 C10 Big Ten/Bonanza, '84 K10 Silverado
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Old 01-16-2017, 03:52 PM   #2
barry1982
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Re: '84 Auto to Manual Swap Compatibility

I swapped in a four speed standard in a 82 4 x4 that originally had a 700R4 auto overdrive. Just giving you a warning, this is a HUGE job.... and looking back now, don't think it was worth the effort. If you are serious about doing it, the first thing you need is a standard "donor" truck to supply all of the parts you need. Trans, cross member, clutch/brake peddle assembly under your dash, clutch linkages, springs, drive shafts, flywheel , metal "hump" on floor, speedo cable etc.... and I'm sure I missed a few things. Just my opinion, but if you really want a standard, find/buy one done at the factory.
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Old 01-16-2017, 04:14 PM   #3
bluex
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Re: '84 Auto to Manual Swap Compatibility

Here is how I did my swap. Hopefully this will help you with some of your questions

http://67-72chevytrucks.com/vboard/s...d.php?t=714465
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Old 01-16-2017, 04:37 PM   #4
BFoley
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Re: '84 Auto to Manual Swap Compatibility

Thank you guys for the info. I greatly appreciate it!
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'66 GMC K25 (305 V6, SM420) aka "Mabel"
Link to project http://67-72chevytrucks.com/vboard/s...d.php?t=698082

All gone - '66 CJ5, '69 C25, '69 C25 Camper Special, '79 C10 Big Ten/Bonanza, '84 K10 Silverado
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