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02-18-2016, 12:44 AM
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#1 |
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Registered User
Join Date: Dec 2004
Location: grand terrace , caifornia
Posts: 338
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Driveshaft length?
Does anyone know the length of a driveshaft for a mid 70s shortbed C10 with th350 9inch tail and 12 bolt diff, 2 wheel drive? Thanks
Last edited by karl; 02-18-2016 at 12:50 AM. |
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02-18-2016, 01:57 AM
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#2 |
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Registered User
Join Date: Jun 2011
Location: Baytown TX
Posts: 2,219
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Re: Driveshaft length?
FWIW, my 74 c10, TH350 trans, 6 in tail shaft and 12 bolt rear had a 59.5in drive shaft from center u joint to center u joint.
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John 82 Chevy Silverado 350ci/TH350 
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02-18-2016, 08:46 PM
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#3 |
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Registered User
Join Date: Dec 2004
Location: grand terrace , caifornia
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Re: Driveshaft length?
I assume that was a shortbed?
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02-18-2016, 09:00 PM
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#4 |
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Join Date: Aug 2005
Location: Louisiana
Posts: 711
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Re: Driveshaft length?
Around the 56" mark
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02-18-2016, 11:26 PM
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#5 | |
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Registered User
Join Date: Jun 2011
Location: Baytown TX
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Re: Driveshaft length?
Quote:
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John 82 Chevy Silverado 350ci/TH350
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02-19-2016, 08:57 PM
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#6 |
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Registered User
Join Date: Dec 2014
Location: Coal City, IL
Posts: 695
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Re: Driveshaft length?
My '85 swb with 350/350 with 9" tail and stock 10-bolt has a 55 1/2" center to center driveshaft..
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Tony Nicholas @ Midwest Metal Masters 1953 Chevy 3100 392 Hemi w/727 & 9” Ford 1985 Chevy C/10 6.0L 4L80 373 locker |
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02-20-2016, 12:08 AM
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#7 |
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Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,172
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Re: Driveshaft length?
My '77 was shortboxed, 350/350, 9" tail and 12-bolt rearend. I had a driveshaft made that was 56-3/8" center to center. Though I think 56-1/2" would have been better.
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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02-21-2016, 02:55 AM
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#8 |
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Registered User
Join Date: Dec 2004
Location: grand terrace , caifornia
Posts: 338
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Re: Driveshaft length?
Thanks again.
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02-24-2016, 08:28 PM
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#9 |
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Registered User
Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 750
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Re: Driveshaft length?
Tip: For measuring Drive Shafts
You should measure the Drive shaft from the weld to weld. This way you all ways get the correct measurement, because the end are stander parts, and weld to the shaft.
__________________
 1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bedWas a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
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02-24-2016, 11:50 PM
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#10 |
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Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,172
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Re: Driveshaft length?
The driveline shop that made mine, specifically asked for center of u-joint to center of u-joint.
I would think wed to weld may not be accurate enough, because you cannot tell where the actual seam is beneath the weld. Not everything is fabricated perfect. Your driveline shop may vary....
__________________
1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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02-25-2016, 08:31 AM
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#11 |
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Registered User
Join Date: May 2015
Location: Las vegas nevada
Posts: 26
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Re: Driveshaft length?
My 80 swb with 350/350 C was 56 3/8 " cl/cl . had it re-tubed to 59 1/2 " for a 400 TH .
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02-25-2016, 12:07 PM
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#12 | |
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Registered User
Join Date: Jun 2011
Location: Baytown TX
Posts: 2,219
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Re: Driveshaft length?
Quote:
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John 82 Chevy Silverado 350ci/TH350
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02-25-2016, 02:01 PM
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#13 |
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Registered User
Join Date: Dec 2013
Location: Columbus, Oh
Posts: 366
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Re: Driveshaft length?
The correct way for measuring drive shaft length is center of joint to center of joint. Always measure your own combination to be accurate. Others MAY vary depending on the parts they use.
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02-26-2016, 08:32 AM
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#14 |
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Registered User
Join Date: May 2015
Location: Las vegas nevada
Posts: 26
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Re: Driveshaft length?
I built driveshafts for our local trash hauler . We used cl -cl on the weld because the weld yokes are standard sizes ! We also had records on each truck as to lengths and hardware , it saved a ton of time for our road mechanic![/RIGHT][/RIGHT]
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02-27-2016, 12:59 AM
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#15 |
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Registered User
Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 750
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Re: Driveshaft length?
Maybe I should have said this for a drive shaft that still installed in the truck or car.
(because If you measurement with the drive shaft on the Truck or Car from center to center yokes will not be the same as off truck or car). But if you take out your drive out or have it out to measure it. both ways work as long as you double check your both measurement. and 6inch tall is about 3 inch shorter than his? how does that work? are you using a two part shaft or one part shaft.
__________________
1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bedWas a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
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04-11-2019, 02:06 PM
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#16 |
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Registered User
Join Date: Sep 2018
Location: Redding, Calif.
Posts: 101
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Re: Driveshaft length?
Has anyone done a 72 C10 long bed with a L83 with 6L80 trans? Would like to hear if you did a one piece driveshaft and from what engine mount hole.
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