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04-17-2005, 09:11 AM | #1 |
Registered User
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 12
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Auto shifter linkage & driveshaft?
This has most likely been answered on here before, but still kinda new here. I'm getting ready to convert my 70 GMC to an auto column with a 350 turbo. My question is, do I have to find all the auto shifter linkage parts for our year trucks, or does 73 and later trucks have the same linkage? I think I read on here also that the 2 piece driveshafts length is the same with an auto or manual trans. Is that right? I'm also thinking on having a 1 piece driveshaft made and was wondering if anyone knows what length it would be? The 350 turbo is a short shaft, 12bolt leaf spring rear, LWB frame and 350 V8. Will any cutting of the center carrier bearing mount have to done for clearance, or will I have plenty of room for the driveshaft up and down movement?
Thanks, Steve |
04-17-2005, 09:59 AM | #2 |
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Join Date: Oct 2004
Location: saskatoon, planet earth
Posts: 694
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well, I'm no expert. but I did the same thing last year. 1 st. The linkage is the same on many years of trucks into the 70's. I got all my parts at a wrecking yard. One thing that's a little different is the part that bolts to the frame for a shaft to slip into. I'm still running one doesn't bolt up exactly but it works. there are several differnt drive shaft lenghts. I got 3 differnt ones from a buddy and only one fit. ( not sure what tranny lenght I got, it came from a Van) If you go 1 piece I'm sure you have to do some cutting. When the experts wake up I'm sure they'll have more precise info for you.. Good luck
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I got a bench seat baby, you don't have to sit over there. |
04-17-2005, 11:39 AM | #3 |
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Join Date: Jan 2005
Location: Central CA
Posts: 86
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I had a one-peice driveshaft fabricated. It cost like $200, but it fit right in place of the old two peice unit like it belongs there. I didn't have to do any cutting, just removed the old carrier bearing. The guy at the driveline shop told me that if you use an existing driveline and it is just a tad too long, the spline can slam into the transmission case if go over a bump and the springs compress suddenly. I had actually never heard of it happening to anyone here, but it did seem to make since.
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04-17-2005, 12:07 PM | #4 |
18 Till I Die
Join Date: Mar 2005
Location: Alberta, Canada
Posts: 1,522
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Locar makes a nice shifter linkage ACA-1800. It works for all auto trans setups. Check it out on ther website
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04-17-2005, 01:11 PM | #5 |
Registered User
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 12
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Thanks for the help on this.............
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