When the car was bone stock with 500 miles it ran a best of 8.72@85.1 2.09 60ft with a 2600+ DA and 92 degree weather. Car now has 420rwhp/389rwtq.

Now at 2700 miles with my mods(400 miles on new cam), full weight(1/2 tank of gas, spare tire, jack, other extra stuff etc..) Koni rear shocks adjusted fully tight, 20 psi in the Mickey T DRs, skinnies up front with 50 psi, ran a best of 7.77@89.9 mph 1.74 60ft. I wasn't too impressed, kind of dissapointed really. I was hoping for at least a 7.70 or better. This car won't 60ft for ****.

Only things I think that may be hurting me are, too small of a convertor for this cam (L92 spec cam), stock LS2 intake(haven't put the ported FAST on yet) and the car hits the rev limiter on the 1-2 shift(sometimes hard). Not too happy.

The car would launch best and achived the best time of the night by stalling up the convertor as high as possible before spinning the tires. From idle or a low stall it looked like it would kind of bog on take off.

I don't know what the DA was yesterday, but i was thinking about 1000-1200ft. It was humid and temps were in the low 60's. I guess I'll throw the FAST on and get the car re-tuned for it.

My buddy (Phantom06) I think got a new PB yesterday. He ran a 7.84@86.8 with a 1.70 60ft. He's not even cammed, he just has LT's, Magnaflow exhaust, Volant intake, ported TB, 160 stat, underdrive pulley, 3200 stall fuddle. He is also running the same DRs as me and has stock shocks in the rear with just a Noltec diff insert. His car does have like 20,000+ miles and has been a track car since 200 miles with mods. I am putting down about 40 more rwhp than he is, so i guess I should of expected much anyway. What do you guys think?

 

looks pretty damn good to me. keep working with it.

 

Actually not really. My buddy with the same exact set up except he is running with a STOCK cam, is running just a tenth slower and has a better 60 foot. than me, his is 1.70 compared to my best of 1.74. There is definitely a problem somewhere.

 

these cars are GTO's? then thats not too damn bad for the weight they carry!

 

Yes, GTOs. There are guys on the LS!gto forum running 7.50's with 1.60 60foots with the same power i am making. I am currently making 420rwhp/383rwtq.

 

two things may be the problem? 1. they might be lighter? 2. they have a better tune!

 

I am thinking the same thing about the tune. I think the tune needs to be cleaned up a little. Hitting the rev limiter sucks too. I am going to install my ported FAST 90 and bring it to my tuner to clean everything up. I don't want to pull the convertor yet and start throwing different ones in there yet. That would be a waste if it wasn't the problem to begin with. Then again, i am not sure.

 

Here's my dyno sheet, mods are in sig.

 

Well, my tuner fixed the rev limiter issue so I am running the car tonight with exact same mods but with no rev limiter issue. I don't think this will change anything with my 60 foot, but I did find out the used 3200 fuddle I purchased from a forum member was stalled/built for a nitrous set up.

 

MPH seems kind of low for the HP you have, might be the weight though.

I made 420/388 through my A4 & trap @ 92-93 mph in the 1/8. My Camaro is 3500 lbs.

 

Hmmmm, very similar. I am thinking there must be some kind of issue with the convertor, but I don't know. I was hitting the rev limiter like crazy on the 1-2 and 2-3 shift the last time I ran the car with problems. I will see what it will do tonight. I know for a fact the rev limiter was hurting me. I am leaving the car the same way it was(i.e. weight, same amount of gas etc..) and see what happens.

 

don't forget to post results when you get back tonight

 

Well, I ran the car. Now I am having traction issues all of the sudden. I kaunched by stalling the car to about 2700 and then just spun for about 20 feet. On the second run after a cool down, I just flashed the convertor off idle and it spun about 10 feet. Time to ditch these 17's and buy some 15's Over all the car felt better. I still don't think I would of made it into the 7.50's if it hooked. I ran a best of 7.83@89 mph with a 1.75 60 foot. So, I was pretty much running the same times as last and with the same 60 foots, but with spin this time. Oh yeah and my tuner fixed the rev limiter issue

 

Hmm I'd say its in that first 60'. Gotta find somehow to get that in the 1.5's and you'll have your 7.5

 

Agree 100%. I think 15's will help me alot. I am thinking of going to a slick.

 

A converter that was stalled for a heavy nitrous car and ran in a heavy n/a car is going to be too tight IMO, which will cost you some et especially in the first couple hundred feet. The other thing, which it sounds like was fixed, is the rev limiter. If you're banging the limiter you're not going forward properly or multiplying torque for that split second. Which makes a big difference when talking about .1 and .01 of a second.

 

Your absolutely correct. The thing is, I will adding a bottle soon So I will just wait and see how it does with the bottle and the current convertor.