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ehh 290-300 seems a bit high for the mods in your sig. maybe if you had a cam. but try leaning it out a bit and see what happens. your actually seeing 27-32 degrees timing at wot? that seems a little high but idk. im not too familiar with the sniper software, im using sct software.

yea ive heard 12.8-13.2.i cant tell you from experience though i got a blower.

im happy for you, now back on subject. modular you said your timing was 28-32 at wot. seems pretty good, if you go higher you may get some ping. you boosted? 12.2-12.8 seems a bit rich though for n/a

how much timing are you running? canned tunes and tuning software are alot different. canned tunes are always on the safe side so imo canned tunes arent as great as everybody makes them out to be. you can try adding some timing but becareful.

for a n/a car go 4.10's, that will give you some good pull down low. 3.73's are better for blowers or turbos.

well if theres no cats it shouldve set codes. if the lights not on now dont worry about it.

yea it will set a code because the computer is taking input from the rear o2's thinking it still has cats. in the tune its most likely turned off. at least it should be. if its off with the tune then your all good

if you dont have cats and your check engine light was not on then it doesnt matter if a o2 sensor is bad, it should be off any way. did you tell them to turn off the rear o2 sensors?

well some aftermarket cams should be degreed diffferent then factory. so in that case you would need aftermarket sprokets.

yes you can turn off the rear o2's and it will pass inspection. but it has to be done in the tune. you shouldve just saved the hassle and had the tuner recheck the tune. they didnt do it right. i seen it happen before, i have a feeling i know who tuned it for you

damn you must need some new boots, thats alot of dragging. jk if your not replacing the timing chain id say less 4 hours. thats if you know the secret hand shake and dont take off the timing cover. if you have to pull the timing cover pry around 8 maybe. as long as theres no blower

they read the air fuel ratio. most are just hooked up to a stock style o2 sensor. a good one uses a wideband sensor. either way you need to weld a bung into your exhaust for another o2 sensor.

just joined the forum. my car is a 02 roush 360R i picked up in jan. did some minor work so far. gears, wheels, tinted headlights/tails, pro racer tuner that im trying to learn how to use. i plan on doing a big motor build, stroked screwed and sprayed.