needed: piece inbetween speedo cable and tranny - The 1947 - Present Chevrolet & GMC Truck Message Board Network

gabet40 · 03-12-2005, 01:45 PM

my speedos been off for a while now so im going at it from process of elimination. bought a speedo through the board, and a cable through LMC and its still tweekin out.
but that weird lookin piece comin off the tranny that the cable mounts to looks like it was hit one time or another so i think thats my problem. where can i find one of these? its not anywhere in my catalogs

Spoof · 03-12-2005, 03:52 PM

Is it the threaded piece your cable threads on to? If so thats the gear mechanism housing I think, you can get it at any auto supply or tranny place if it's a TH 350 or 400.

shifty · 03-12-2005, 07:36 PM

I'm having a problem with mine also. I mean, Basically, I know this: If I take the cable and sheath off of the tranny and put a cordless screwdriver to the cable on the tranny side, the needle while running the drill. This would indicate the cable is basically OK, I guess

.

There is a small gear inside the tranny right there on most transmissions. I believe mine is currently not functional. This gear is sold at any transmission specialist shops. If you go to one, they should be able to get you the part required.

shifty · 03-12-2005, 07:37 PM

Anyone know what that little gear in the tranny is called?

zeeklu · 03-12-2005, 07:50 PM

http://www.gaugeguys.com/ratioadapt.htm

zeeklu · 03-12-2005, 07:51 PM

Ratio adapter. I had one made for my 67 k10 and now the speedometer is almost perfect. Chris

03-12-2005, 01:45 PM	#1
gabet40 Registered User Join Date: Dec 1999 Location: Modesto, CA Posts: 565	needed: piece inbetween speedo cable and tranny my speedos been off for a while now so im going at it from process of elimination. bought a speedo through the board, and a cable through LMC and its still tweekin out. but that weird lookin piece comin off the tranny that the cable mounts to looks like it was hit one time or another so i think thats my problem. where can i find one of these? its not anywhere in my catalogs __________________ Current owner of 2016 2500 Silverado Midnight Edition. Former owner of: 69 1/2 ton, change from long/fleet to short/fleet, shaved door handles, shaved tailgate, 4/6 drop, power windows, 700r4 72 blazer, 350 with Holley Commander 950 DFI, crane energizer cam, 350 tranny, dual sanderson blockhuggers/magnaflow exhaust

03-12-2005, 03:52 PM	#2
Spoof Registered User Join Date: Jul 2000 Location: Victoria,BC, Canada Posts: 1,300	Is it the threaded piece your cable threads on to? If so thats the gear mechanism housing I think, you can get it at any auto supply or tranny place if it's a TH 350 or 400. __________________ 71 GMC 1500 LWB

03-12-2005, 07:36 PM	#3
shifty Questionable Join Date: Mar 2005 Location: Atlanta Posts: 13,376	I'm having a problem with mine also. I mean, Basically, I know this: If I take the cable and sheath off of the tranny and put a cordless screwdriver to the cable on the tranny side, the needle while running the drill. This would indicate the cable is basically OK, I guess . There is a small gear inside the tranny right there on most transmissions. I believe mine is currently not functional. This gear is sold at any transmission specialist shops. If you go to one, they should be able to get you the part required. __________________ If I've got anything up for grabs, it'll be here: 7-hole gauge cluster for a 67-72 p/u FREE (link) I can't check the forum daily. If I don't reply to you within 24 hours, drop me a PM! I'm (hopefully) still alive and will reply faster to a PM.

03-12-2005, 07:37 PM	#4
shifty Questionable Join Date: Mar 2005 Location: Atlanta Posts: 13,376	Anyone know what that little gear in the tranny is called? __________________ If I've got anything up for grabs, it'll be here: 7-hole gauge cluster for a 67-72 p/u FREE (link) I can't check the forum daily. If I don't reply to you within 24 hours, drop me a PM! I'm (hopefully) still alive and will reply faster to a PM.

03-12-2005, 07:50 PM	#5
zeeklu Registered User Join Date: Dec 1999 Location: Northwest NJ Posts: 746	http://www.gaugeguys.com/ratioadapt.htm

03-12-2005, 07:51 PM	#6
zeeklu Registered User Join Date: Dec 1999 Location: Northwest NJ Posts: 746	Ratio adapter. I had one made for my 67 k10 and now the speedometer is almost perfect. Chris



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