has anyone ever made there 4 back window or 3 back window into a single window?

hey I just recently went to smog my 1989 chevy s10 4cyl 2.5l 5speed and the guy told me that my idle was to high and the smog machine would not accept that so what I need to know is what I can do to lower my idle the idle screw is factory sealed and says not to mess with it could it be my iac...

Sorry would have searched but need to head to work dont have time right now if any of you guys could help id appreciate it. Im Having problems with my trucks heater/ac. The temp control switch is only switching temps half the time. Sometimes it will work sometimes it wont. I can turn it back...

Have any of you guys tried any of the ones that are out? I'm looking for something 1 3/4 primary, possibly 1 7/8 primary, with 3" collectors.

I have seen a lot of talk about the differences between the 4L60E and the 4L65E. This information from is from GM, ATRA (Automatic Transmission Rebuilders Association) and ATSG (Automatic Transmission Service Group) and having been building them since the beginning of the 700R4 in 1982...