Speedo ?s - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Hubscrub · 05-03-2010, 10:41 PM

I put a 700r4 in my 71 and the speedo don't work, i know about the different gears etc. to get the speedo correct but mine doesn't work at all i can unhook it from the trans and spin the cable by hand and it works so my ? is are there different size ends on the cables? the square end on the cable seems to be too small for the hole in the trans just looking at it and maybe it is not catching the cable to spin it? thanks

Stano · 05-04-2010, 12:13 AM

Is the tranny new or rebuilt? I have encountered this with a couple rebuilt trannies from parts stores. They didnt have the drive gear on the output shaft of the tranny and I had to pull the tail housing off and install the drive gear and clip from the old tranny. Never ran into a cable too small for the drive gear unless the drive gear was stripped out from a binding cable. Might be worth a look inside the hole the speedo drive goes in to see if there is a gear on the shaft.

Hubscrub · 05-04-2010, 09:25 PM

it is rebuilt from a local shop, i know it has the gear on the shaft but i not sure about the other gear, i was there when they put it on before i took the trans home

05-03-2010, 10:41 PM	#1
Hubscrub Cruzin Join Date: Dec 2009 Location: on the road Posts: 2,835	Speedo ?s I put a 700r4 in my 71 and the speedo don't work, i know about the different gears etc. to get the speedo correct but mine doesn't work at all i can unhook it from the trans and spin the cable by hand and it works so my ? is are there different size ends on the cables? the square end on the cable seems to be too small for the hole in the trans just looking at it and maybe it is not catching the cable to spin it? thanks __________________ Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14

05-04-2010, 12:13 AM	#2
Stano Registered User Join Date: Jul 2000 Location: Mo Posts: 963	Re: Speedo ?s Is the tranny new or rebuilt? I have encountered this with a couple rebuilt trannies from parts stores. They didnt have the drive gear on the output shaft of the tranny and I had to pull the tail housing off and install the drive gear and clip from the old tranny. Never ran into a cable too small for the drive gear unless the drive gear was stripped out from a binding cable. Might be worth a look inside the hole the speedo drive goes in to see if there is a gear on the shaft. __________________ New daily driver 96 Chevy K3500 crew cab dually 53,000 miles 350 Vortec 4L80 Nice ride 67 Chevy C-10 LWB Built 350 TH-400 Wifes ride and family rig: 2001 Furd Expedition 5.4 Liter Kickin back in Rolla,Mo. USA "Do the thing you fear most and the death of fear is certain" Mark Twain

05-04-2010, 09:25 PM	#3
Hubscrub Cruzin Join Date: Dec 2009 Location: on the road Posts: 2,835	Re: Speedo ?s it is rebuilt from a local shop, i know it has the gear on the shaft but i not sure about the other gear, i was there when they put it on before i took the trans home __________________ Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14



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