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| | | Forums66 Topics128,035 Posts1,055,443 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2001 Posts: 1,181 'Bolter | | 'Bolter Joined: Mar 2001 Posts: 1,181 | I'm ready to order the last parts for my'60 GMC, (thank you, whew) The one thing I'm not sure of is the Speedo cable length. I have the original speedo cable, but it was for my SM-320 3-speed trans. and I upgraded to the SM-420 4-speed Trans.
How do I go about picking the correct one. The T&C Shop has 2 availble:
68" long with plastic Housing $11.00
70" long with metal Housing $22.00
Anyhelp is great as always.
Jake | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | I,d go for the metal one. They are much better than the plastic ones. The other trans. is probably alittle longer. 
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Apr 2003 Posts: 66 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2003 Posts: 66 | NO controversy intended.
Just some food for thought:
I was told by a speedometer specialist that the plastic housings are better than the metal. The plastic is smooth the total length of the cable instead of spiraled like a metal one, which creates a smoother turning of the inner cable, no chance of rusting, and they are less expensive.
Joe - (Buckeye Bowtie)
"Remember it takes about 2850 bolts to built a Chevy Truck and only 1 NUT to scatter them all over the highway"
1950 3100
1971 C-10
1939 Buick Century
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