Driveshaft/crossmember question
I have a 66 c10 2wd long bed I'm doing an ls/4l60 swap in. I have tried searching for a clear answer to my questions everywhere but can't seem to find any. The truck will make around 500hp give or take and be sitting low. It originally had a 2 piece driveshaft. I'm wanting to switch to a 1 piece. Comparing the original shaft to the driveshafts they use in trucks today it seems the crossmember will need to be changed to allow a bigger diameter driveshaft and possibly accommodate the lower ride height. So I guess what I'm asking is it as simple as changing the crossmember and having a driveshaft made or is there more to it than that? Thanks in advance for your time.
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Re: Driveshaft/crossmember question
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Went to Driveshaft Specialists in Tampa Said I had to stay with the 2 piece. I have a TH400 requiring a bolt-on yoke. Also being told the yoke on the rear is missing the tabs. Frustrated now! |
Re: Driveshaft/crossmember question
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Re: Driveshaft/crossmember question
I don't understand what so many insist on a one piece driveshaft in a long bed. There is absolutely nothing wrong with a 2pc driveshaft as long as you go with the HD version, not the light duty one that has the carrier bearing that hangs from the top of the crossmember. The 2pc will be less prone to failure.
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Re: Driveshaft/crossmember question
Well some time has passed since I posted this and I just ended up having a drive shaft made and made a crossmember to work with it. I don't put a lot of miles on it but the miles I do put on are rough. The truck makes a little over 600hp now and gets driven like a race car every time it's out. Haven't had any driveshaft problems yet.
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Re: Driveshaft/crossmember question
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Re: Driveshaft/crossmember question
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The shop said the one piece will hit the cross member as the suspension moves I just don't know what to do I prefer the 1 piece since it's simiple |
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Re: Driveshaft/crossmember question
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found this today at the wrecking yard looks like a factory one piece out of a long bed gmc about 70 inches
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Re: Driveshaft/crossmember question
A single driveshaft on a short bed is a different situation. However for you guys that go so low with your trucks, modification of the trailing arm crossmember is unavoidable with the diameter of the driveshaft needed with a single driveshaft. I don't consider a 2pc driveshaft to be 'complicated' at all.
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Never had one before Thanks |
Re: Driveshaft/crossmember question
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Never had one before Thanks |
Re: Driveshaft/crossmember question
To start with you will want a driveshaft and the carrier bearing for the HD version, not the light duty one where the carrier bearing hangs from the top of the crossmember. If you do not have a HD carrier bearing bracket on your trailing arm crossmember, I do make those. You can use one from a '63-'72 longbed or a shortbed. It doesn't matter since you are going to shorten it anyway. You will just need to shorten the front shaft. Here is the link to the HD carrier bearing mount that I make and also a couple pics of the HD driveshaft and carrier bearing.
http://www.67-72chevytrucks.com/vboa...d.php?t=620312 Quote:
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