factory tach and speedo question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

81lwb350 · 03-07-2003, 03:37 PM

i have a chance to get a clean workin tach with 100mph speedo here locally from a friend...it was taken out of a 76, but not sure if it was origional to the truck...

anyway, will this fit in my 81 or will i have to do some mods to it
to make it work properly...it worked when it was taken out the 76 so it DOES work....just wanna make sure it will work in my 81..

all you tach dash guys gimme some help!

thanks
anthony

79BIG10 · 03-07-2003, 03:47 PM

Here's some great info on the Tach http://64.246.42.114/vboard/showthre...highlight=tach

Yes the speedo should work. They didn't go electrical till later.

03-07-2003, 03:37 PM	#1
81lwb350 big block lover Join Date: Jul 2002 Location: louisiana Posts: 107	factory tach and speedo question i have a chance to get a clean workin tach with 100mph speedo here locally from a friend...it was taken out of a 76, but not sure if it was origional to the truck... anyway, will this fit in my 81 or will i have to do some mods to it to make it work properly...it worked when it was taken out the 76 so it DOES work....just wanna make sure it will work in my 81.. all you tach dash guys gimme some help! thanks anthony

03-07-2003, 03:47 PM	#2
79BIG10 I'm back with 2nd truck! Join Date: Feb 2002 Location: Texas Posts: 3,775	Here's some great info on the Tach http://64.246.42.114/vboard/showthre...highlight=tach Yes the speedo should work. They didn't go electrical till later. __________________ 1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson



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