Hey everyone. I just picked up a 94 Caprice that has the "Baby LT-1"(4.3L 265cu.in.) I was wondering if tunercat will be able to reprogram this or not. The Datamaster software runs on it and seems to be correct. I was able to read the pcm with Tunercat as well. Looking through the tables everything seems in line with what it should be. On the LT-1 Edit page it says it works with the L99 so it seems that tunercat would as well.

Thanks
Richard
94 Z
94 S-10
94 9C1

 

It should. Check here-
http://www.tunercat.com/tnr_desc/ecm_sup.html

 

There's not any info on the site but as far as I can tell the L99 uses the exact same program as the LT1. I reprogrammed it today and all is well! I may just have to keep this car now

Richard