Does anyone know of a company that offers an electronically driven speedometer that will maintain a stock guage appearance in an 87 IROC with a 145mph speedo. I have done a T56 conversion and had no luck converting to mechanical drive.

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GM Line & Driveability Technician
ASE Master Technician
ASE L1 & XI Certified

87 IROC-Z
four bolt main late model 350, Crane Compucam, Edelbrock headers, Dynomax Cat-back, Crane F.P.regulator, 52mm TPIS T.B., modified MAF, AS&M custom PROM, ported plenum, K&N filter, T56, Star clutch, Summit mini starter, 9-bolt 3.70 gears

"Accept the things you can't change, Change the things that you can."

 

I think this might help. Go to www.sethirdgen.org One of the guys on there just finished this swap and used a stock looking gauge that is electric driven. look in the tech section.

HTH