hey guys, its the truck in my sig. mods include fipk,gms maf, tb restrictor gone, tb spacer, egr mod, msd 6al, msd coil, black magic e-fan, march 3 pc aluminum pullies, hpp3, bm shiftplus, crappy edelbrock headers+ypipe, 3" with dual out flowmaster40, rear end is stock 3.42 no posi. with a fresh bottle set up for 100hp my best 60' was 2.8 that was also the best run, [email protected] Would posi help my launch that much, also tat was without a bottle heater on a 60 degree night. i know that a heater is very importan for proper n20 performance and im only seeing about 500 psi max, does this all sound right though? oh btw the same truck without n20 last summer on bfg255/50/16 drag radials ran a [email protected] without the driver side headlight. let me hear some opinions, and i know i do need posi.