1992 GMC new motor needs to be tuned

[dave w]

Any ideas?

I've help several members "Tune" their chip using TunerPro RT. Here is link for additional TunerPro RT information: https://ls1tech.com/forums/lt1-lt4-m...-tutorial.html

I think "Mail Order" chips get a bad reputation because both the vehicle owner and the"Mail Order" chip supplier are NOT up to speed with TunerPro RT!

The second generation TBI computer 93 - 95 with red / blue connectors are nearly 50 times faster than the 92 and older first generation TBI computers with black connectors. The second generation TBI computer will have two spark tables and two fuel tables, Near Idle and Off Idle. Having two fuel and spark tables is very helpful to get a good idle and good performance for a modified TBI engine. Tuning with a Wide Band Oxygen Sensor (WBO2) is a superior method for tuning TBI, which TunerPro RT supports.

My thread for WBO2 tuning: http://www.gearhead-efi.com/Fuel-Inj...g)-Spreadsheet

dave w