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08-26-2016, 10:11 AM
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#1 |
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Registered User
Join Date: Aug 2016
Location: Isanti,MN
Posts: 34
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72 GMC driveshaft question/swap
Hello everyone. I just purchased a 72 gmc 1/2 ton LWB 2WD.
It was originally a 350/4bbl automatic. My questions are: 1.would the original transmission been a 350 or 400? 2.Also, it obviously has a 2 piece shaft but mine has a greasible slip yoke and what looks like a HD center bearing. Is it because I have rear leaf springs? 3. I'm looking at purchasing a brand new assembled driveshaft from a friend. It doesn't have the greasible slip yoke. Would his driveshaft work on mine? I'm trying to learn more about these trucks. Thanks. |
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08-26-2016, 01:55 PM
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#2 |
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the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: 72 GMC driveshaft question/swap
The greaseable slip yoke is a much better design. Look under any truck built after 73.... there's a reason for that, leaf springs move the rear end around a lot more than a long control arm setup.
Keep your driveshaft.
__________________
67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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08-26-2016, 03:18 PM
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#3 |
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Registered User
Join Date: Aug 2016
Location: Isanti,MN
Posts: 34
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Re: 72 GMC driveshaft question/swap
Thank you Sir! That's all I needed to know!
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