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#1 |
Registered User
Join Date: Feb 2011
Location: New Hampshire
Posts: 49
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Speedo cable routing
The 71 k10 i bought has no speedo cable and the firewall has been plugged and caulked to death. Does the speedo cable penetrate the firewall or the floor? Does anyone have a routing diagram showing attachments?
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#2 |
Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 759
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Re: Speedo cable routing
Just replaced the cable in my 68 C20 yesterday. It goes through a hole in the firewall at the upper corner of the fuse panel.
On my 68, the panel runs length-wise, and I know some of the newer ones ran more vertical. The hole is about 1" in diameter, about 1/2 way between the steering column and driver's side inner fender, and about 4-5" above where the steering column penetrates the firewall.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress |
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#3 |
Registered User
Join Date: Oct 2007
Location: Valley Springs, Ca
Posts: 857
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Re: Speedo cable routing
here is a picture of where my speedo cable goes through with a gromit, Hope this helps. but if its not correct I am sure someone else will correct me.
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#4 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Speedo cable routing
Here is a picture of the location where the cable goes through the firewall on a 71 K-10.
Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#5 |
Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: Speedo cable routing
Jim is correct I believe. Mine came thru right above that wiring block.
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John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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#6 |
Registered User
Join Date: Feb 2011
Location: New Hampshire
Posts: 49
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Re: Speedo cable routing
Excellent info. Are there connections anywhere along thr frame on route to the tranny?
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#7 |
Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 759
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Re: Speedo cable routing
Mine has a clip that slides on the driver's side frame and there is a loop strap that is screwed to the side of the trans.
I will see if I can post some pics.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress |
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#8 |
Registered User
Join Date: Mar 2010
Location: a t w a t e r cali 95301
Posts: 10,713
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Re: Speedo cable routing
there is also a clip on the cab that you can stick the cable through and then bend it to hold it in place....
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#9 |
Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 759
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Re: Speedo cable routing
Here are some pics. My old cable was 69". Options were 60 or 83. Looks like I went too long, but it works.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress Last edited by dmack91; 02-07-2011 at 02:45 AM. Reason: added text |
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#10 |
Registered User
![]() Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Re: Speedo cable routing
Dmack is that that 80's cable?
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#11 |
Registered User
Join Date: Feb 2011
Location: New Hampshire
Posts: 49
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Re: Speedo cable routing
Is that a gear reduction mounted to the transfer case or is that a stock item. One of the parts in the coffee can that came with the truck looks just like it. The PO told me it was needed for the larger tires.
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#12 |
Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: Speedo cable routing
Yours looks extra long lol
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John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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#13 |
Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 759
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Re: Speedo cable routing
I think it was 83" - that was the closest thing Napa had.
The gear it goes into (last photo) is on the TH400.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress |
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