another speedo question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Frankd · 03-14-2005, 09:23 AM

I have a 88 burb - just put axles under it . the gear ratio is diff. also went to 33" tires, do I have an electronic speedo? how do I calibrate it?

aggiedave98 · 03-19-2005, 11:50 PM

check out these 3 links... you need to replace one or both of the gears... one is easy... the other you have to take the driveshaft off and the end of the tranny cover off.

you don't have electronic... it's mechanical.

http://www.tciauto.com/tech_info/speedo_gears.htm
http://www.transmissioncenter.net/sp...n_______va.htm
http://www.thirdgen.org/newdesign/tech/speedogear.shtml

03-14-2005, 09:23 AM	#1
Frankd Registered User Join Date: Nov 2003 Location: Mauk, Ga Posts: 76	another speedo question I have a 88 burb - just put axles under it . the gear ratio is diff. also went to 33" tires, do I have an electronic speedo? how do I calibrate it? __________________ 72 c-10 81 c-30 67 c-10 just sittin in the woods) 70 C-10 " " " " to compleete frames 67, 70 - in woods 2002 toyota tundra. 12 yr old son has , 72 Charger, 78 Ramcharger and 85 ford wrecker

03-19-2005, 11:50 PM	#2
aggiedave98 Senior Member Join Date: Aug 2003 Location: Sugar Land, TX Posts: 1,007	check out these 3 links... you need to replace one or both of the gears... one is easy... the other you have to take the driveshaft off and the end of the tranny cover off. you don't have electronic... it's mechanical. http://www.tciauto.com/tech_info/speedo_gears.htm http://www.transmissioncenter.net/sp...n_______va.htm http://www.thirdgen.org/newdesign/tech/speedogear.shtml



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