Who's the go-to company for this? I drove my truck with 35s and 3.73s for a while and the speedo was off by 5 mph. Just put in 4.88s last week and now it's off by a lot. 95 mph indicated on the speedometer is 70 mph actual speed. So I need to get this corrected or recalibrated.
Blackbear tune? Dealership? Soldering in a dip switch?
I searched on Summit and they didn't have anything for me.
The truck is a 97 K1500 with a vortec 350 and NV4500 trans.
Blackbear tune? Dealership? Soldering in a dip switch?
I searched on Summit and they didn't have anything for me.
The truck is a 97 K1500 with a vortec 350 and NV4500 trans.