i took my car in to the dyno today, trying to get her tuned was a very big ordeal.

1st pull, lost traction and had to tie her down tighter

2nd pull, more tire spin. had to re-strap the car

3rd pull, yay! traction! car leaned out at 5500rpms

4th pull, after a while of trying to figure out why the hell two gt pumps and 60lb injectors couldn't flow enough to make more than 450, the car stopped making power at 5500rpms..

5th pull, we wired in my KB BAP and the air/fuel looked good to 6k.

6th pull, wtf?! now its blowing out spark??? advanced the timing more

7th pull.. Fark IT, we're done for the day. not blowing out spark anymore, but the car falls on its face at 5600 rpm's and stops making power. plenty of fuel, good spark, 13* of timing, maf has plenty of room left, intercooler is nice and cool, and she just won't make power after 5600. i'm very disappointed. we think there is something going on with the cams or heads to keep it from making more power. my stock cams made power higher up than these, we don't know what the problem is.

the car made 500rwhp and 469rwtq and peaked at 19psi. 19PSI.

something is going on. there is no reason the car should be making anywhere near that much boost and that low of power. we think the problem may be either the stock heads not getting the exhaust out fast enough, or possibly the cams aren't timed in properly? its running beautifully though. is there any way the lash adjusters might be getting pushed down and making the cams not open far enough or something? we're at a loss because there is no reason it shouldn't make 550+ anyways.. no vid this time, i'll try to take a pic of my dyno sheet and post it up.

John did a great job helping me trouble shoot my fuel issue.. it looks like i'm going to need bigger lines and rails but the BAP got her richened back out enough to make a decent pull. we are very stumped as to why the car fell on its face at 5600rpm's.. i'm running stage 2.5 blower cams with longtube headers, o/r h pipe, and flows out the back. the heads aren't ported, but it should be making well over 500rwhp easily! the valvesprings are upgraded, engine is broken in finally, 9.6:1 compression, all forged, D1SC procharger, etc etc etc... does anyone have any ideas as to whats going on? don't just say 2v's suck, i know they do but my hp curve should climb to at least 6500 rpm's and its not..
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yeah but getting it on my computer is the tough thing.. let me try to take a picture of it or something.. you might be disappointed, your car made 100 more rwhp with the same boost. haha, oh btw John still had the last dyno day numbers up on the white board

Too much boost sounds like a restriction somewhere.  Maybe the heads are choking you out?

from what i figured it should have made 16-17psi

Kevin! whats up man! yeah i can't wait to go on some cruises. she's running great so far, still trying to get everything buttoned up. i think i'm gonna upgrade my fuel rails and lines next. its a beast to drive even at 500rwhp. the car has seen a lot in the last year, but its all for the better. the 'chero is still chillin in the same spot it was last time you came over.. i'm still trying to get rid of it but haven't put any effort into it because i'm trying to finish up the stang. hows the vortech build coming along?

nice man, sounds like you're making some damn good progress with that thing! i want to get a long cruise set up this year. maybe take a trip to the top of chinook pass or something. i got my scanner working stevo, what do you think?

I think its the stock heads coupled with the Stage 2.5 blower cams, they have alot of overlap and the stock heads are a restriction, especially at high rpm. What are the rest of the cam specs as far as duration and lift? Also did the car do this with the stock cams?

Honestly, I gotta say, what is John's opinion?  I have a lot of faith in the guy.