chevy1963

Ok, I just got done with doing everythig in my sig, I went to the camaro superfest in Ann Arbor this weekend and had the car dyno'ed there. I was only pulling 207 hp!!!! and 233 of torque WTF!!! my Air/fuel ratio was 17.5 and the car was back firing when ever the got of the gas. PCMforless did my tuning could that be the problem...... maybe Bryan didn't set up my air fuel ratio right. I'm buying a fuel pressure gauge now to seewhats going on there.

The funny thing is I went to the track 3 weeks ago with this set up and ran a 13.9 @ 100 60ft time 1.9 on street tires and 100% humidty

makes no sense to me..... HELP please

scoobysnax83

was it fine on the drive over there? When did it start? Sounds like you may have a faulty fuel pump..... or bad TPS.....

Edit: Is it hard to start?

chevy1963

I had no problems driving up there, or back or driving around the rest of the weekend, thats what is getting me . If the fuel pump was going bad, I didn't feel it sputter or something. I'm confused

scoobysnax83

O I read it wrong, it says you backfired when you let off? I thought it said when you got on it. Forget what I said earlier... You're running way rich..... I think you should call your programmer, Brian's a good guy, he'll work with you.

chevy1963

Your saying its running rich now the guys running the dyno said it was running lean???

joeSS97

17.5 parts air :1 part fuel =LEAN.I would check the fuel pressure for sure.

joeSS97

I would question the numbers.Was anyone else getting low readings?

chevy1963

every one else wasn't complaining about their numbers, cuz when i drive the car it's don't feel like a 200 hp car, and how could a ccar with 200 hp run 13's yea know. it's got me confused

scoobysnax83

most cars will pop on a dyno when you let off...thats normal and yes, I did mean to say lean...sorry about that. Its either programming or a fudged up dyno...