Speedo Gears

[Ted Wright]

Howdy y'all - I'm fixing to install a 4.11 rear behind the ZF 6 speed in my '90 ZR-1. Can anybody tell me what speedo gears to use, and where to get them? Mr. Goodwrench apparently doesn't recognize any 3rd members this steep!!! Thanks for your help!! Ted Wright

[FU]

Ted try doing the correction the electronic way :

http://www.dakotadigital.com/Detail.cfm/-/Category=122/PartNumber=SGI-5/product.htm