Speedo Gear Correction ?'s
Thread Starter
Pro
Joined: Mar 2004
Posts: 519
Likes: 0
From: greenville SC
Speedo Gear Correction ?'s
Is it possible to correct the speedometer on a 92 if I run a rear gear ratio that is lower than 3.73 (i.e. 3.92 or 4.09)
The car currently has the stock 3.54 gears & dana 44.
Anthony
The car currently has the stock 3.54 gears & dana 44.
Anthony
Thread Starter
Pro
Joined: Mar 2004
Posts: 519
Likes: 0
From: greenville SC
Originally Posted by CFI-EFI
Yes. Just change the driven gear for one with a proper tooth count.
RACE ON!!!
RACE ON!!!
Where can I buy these drive gears?
App. cost ?
Thanks for your help,
Anthony
Elite Torch Red Member
Joined: Sep 1999
Posts: 57,805
Likes: 23
From: Exit 89 GSP,Lakewood,NJ The Land Of Mojo
Cental/South NJ Events Coordinator
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
CI-II Burnout & Drag Champ
St. Jude Donor '03-'04-'05-'06-'07
This has all the factory gears, but if you know the tooth count, you can rprobably find the one you need.
http://www.corvetteforum.net/c4/vett...Gearshtm.shtml
http://www.corvetteforum.net/c4/vett...Gearshtm.shtml
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by Carolina C4 Racer
Can you provide me with more info?
Where can I buy these drive gears?
App. cost ?
Thanks for your help,
Anthony
Where can I buy these drive gears?
App. cost ?
Thanks for your help,
Anthony
RACE ON!!!
Melting Slicks
Joined: Jun 2002
Posts: 2,152
Likes: 243
From: Northern VA
I may be mistaken, but I believe that to go lower than 3.73, you must get a new "drive" gear as well. It's located on the tailshaft. This operation is quite a PITA. I put 4.11s in mine and had to do this. The other alternative is to purchase a Dakota (sp?) black box to trick the ECM to read the right speed. I'd do that if I could do it over again. Just my $.02 
BTW, call Exotic Muscle..they put together a drive and driven gear combo set up for a 4.09 (was close enough for my 4.11)
BTW, call Exotic Muscle..they put together a drive and driven gear combo set up for a 4.09 (was close enough for my 4.11)
Last edited by jerkyboy; Mar 27, 2005 at 06:59 PM. Reason: forgot something
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by jerkyboy
I may be mistaken, but I believe that to go lower than 3.73, you must get a new "drive" gear as well. It's located on the tailshaft. This operation is quite a PITA.
Originally Posted by CFI-EFI
Just change the driven gear for one with a proper tooth count.
