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01-24-2016, 06:01 PM | #1 |
Senior Member
Join Date: Sep 2006
Location: illinois
Posts: 516
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Drive shaft questions any input.
I have a long bed I am getting ready to do a swap on. I am running a 4l60e will the original drive shaft work without changing the input shaft. Would rather run a one piece but sounds as if that could be a problem. Take suggestions
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01-25-2016, 12:34 AM | #2 |
Senior Member
Join Date: Apr 2010
Location: Oregon
Posts: 1,208
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Re: Drive shaft questions any input.
My truck is older but the driveline from my th350 had to be shortened since the 4l60 is longer. The input shaft was the same though.
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01-25-2016, 01:50 AM | #3 |
meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Drive shaft questions any input.
If your running a th350 now, the 4l60e output will match up, but I warn people against making the driveshaft a high priority. Your better off doing the swap the way you want it and having a shaft built to match....instead of setting the build around reusing an older part.
Is your original shaft a 2piece, or was there another reason you wanted to re-use the old shaft?
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD
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01-25-2016, 07:44 AM | #4 | |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Drive shaft questions any input.
Quote:
K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 01-25-2016 at 11:37 AM. |
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01-26-2016, 01:20 PM | #5 |
Senior Member
Join Date: Sep 2006
Location: illinois
Posts: 516
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Re: Drive shaft questions any input.
It is a two piece. I.would.rather.have a one piece but some.have said that is to long for a one piece and it may.hit the.crossmember
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01-26-2016, 01:58 PM | #6 |
Registered User
Join Date: Sep 2009
Location: Weare,NH
Posts: 1,592
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Re: Drive shaft questions any input.
Not necessarily. Make the driveshaft a larger diameter if it is longer
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01-26-2016, 02:04 PM | #7 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Drive shaft questions any input.
I've built a dozen or so one piece shafts for lwb 67-72s
Not a good idea at stock height w trailing arms. Or if you are laying frame on 24"s. Put the engine and trans as far back as you can if you're worried about length.
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01-26-2016, 02:15 PM | #8 |
Senior Member
Join Date: Sep 2006
Location: illinois
Posts: 516
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Re: Drive shaft questions any input.
It is dropped 4" in the rear.
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01-26-2016, 02:58 PM | #9 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: Drive shaft questions any input.
My 71 LWB has the 4l80e in it with a 1 piece drive shaft and it has a 3" up front drop and 4" out back. No problems so far in 2 years of driving it.
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