Speedo ? in a top loader 4 speed

Coupe Devil · 09-30-2002, 10:24 PM

Buddy got his 65 351 w/ Toploader 4 speed going but the speedo is going backwards. It sits on nothing while going forward but when you put it in reverse and drive the speedo works like usual. We were think that maybe the gear on the output shaft might be backwards but wouldnt that mean that the speedo gear wouldnt mesh the right way. It has already wrung the teeth off of one out put shaft gear.. Any ideas???

Thanks alot

Bradley

Jeff65 · 10-03-2002, 04:02 PM

You're using the wrong speedo gear type. Toploader uses type 3A. Automatics like C4/C6 use type 3. The difference is the direction of the threads. Remove the speedo cable and replace with the correct 3A gear having the right number of teeth.

Coupe Devil · 10-03-2002, 10:25 PM

Thanks man, I'll tell him and see what we can do

Bradley

09-30-2002, 10:24 PM	#1
Coupe Devil Moderator Join Date: Mar 2001 Location: Myrtle Beach SC Posts: 1,643	Speedo ? in a top loader 4 speed Buddy got his 65 351 w/ Toploader 4 speed going but the speedo is going backwards. It sits on nothing while going forward but when you put it in reverse and drive the speedo works like usual. We were think that maybe the gear on the output shaft might be backwards but wouldnt that mean that the speedo gear wouldnt mesh the right way. It has already wrung the teeth off of one out put shaft gear.. Any ideas??? Thanks alot Bradley __________________ 1990 GT, 347, TFS TW Heads, TFS Cam, TFS Track heat, Twin turbos, FMIC, T5. Built Ford Tough Moderator

10-03-2002, 10:25 PM	#3
Coupe Devil Moderator Join Date: Mar 2001 Location: Myrtle Beach SC Posts: 1,643	Thanks man, I'll tell him and see what we can do Bradley __________________ 1990 GT, 347, TFS TW Heads, TFS Cam, TFS Track heat, Twin turbos, FMIC, T5. Built Ford Tough Moderator

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10-03-2002, 04:02 PM	#2
Jeff65 Registered Member Join Date: Jul 2002 Location: Oklahoma City Posts: 208	You're using the wrong speedo gear type. Toploader uses type 3A. Automatics like C4/C6 use type 3. The difference is the direction of the threads. Remove the speedo cable and replace with the correct 3A gear having the right number of teeth.