running the truck when it shifts into 3rd gear it feels like it falls off pretty bad. 4000# truck with 2000 LS1 with port matched heads, no other porting. stock ls1 intake, 228R cam, stock bottom end, LT headers WO/CATS, 3800 converter. Would an upgrade to some 36#ers support above mods + PRC Stage 2.5 LS6 heads + fast 90 intake or ported 78

ok duty cycle on the injectors maxed to 80%. Timming never saw over 30*. I didnt have the wideband hooked up to HPTuners to log it but i think it was ok. The shift points didnt look very good though, they were at 6200 and when it went from 2nd to 3rd it dropped from 6200 back to around 5100 which was great just what i wanted. now what else should i be looking at in a log and do i need to change injector size for the above mentioned mods im planning for, and what should timming be at? I would like the shift points to be around 6500 first and 6500 second.

 

I asked my psychic and she said that she doesn't know anything about tuning, so I think that you probably will have to hook up your wideband before we can answer your injector size question.

 

well how about i do a wideopen run later tonight and get a video of it

 

A video of your wide band meter?

 

well i didnt get a video of the meter but i watched it and when it shifts into third at 5100 all the way up to i let off it stayed at 12.6-12.7

 

In that case, I'd say your injectors should be good for the mods you plan.

 

cool thanks! any change to the timming if i can?