K when my car gets out of the shop it will be set up to run 15psi. Heres my setup.
Port and polished head, vavle job, polished crank, JE 9:0:1 forged pistons, eagle rods, skunk 2 intake manifold, drag gen 3 turbo kit, greddy 2.5 inch exhaust, hondata stage 2b with dsm 450's, aermotive 1:1 fuel pressure regulator. Turbo xs dual stage boost controller. Now I know that it comes down to tuning, but give me some educated guesses on how much horsepower I will have at the wheels with this setup at 15psi..


[Modified by tygsr, 8:41 PM 6/22/2002]

 

330hp?

 

Don't even bother tuning it until you get a 3" exhaust on there. At 15psi that exhaust is gonna restict flow alot. And when you do switch, the difference will be so notable that you'll have to re-tune so just save money and wait for the 3"....just my .02

 

what is a good three inch? I hear thermal research is good. How bout a custom job?

 

3' mandrel to apexi n1

 

i have a custom setup with a 3" catco cat, 3" dynomax bullet for sound supression, and a 3" titanium HKS muffler. the HKS cost an assload, but you can probably get the rest of the bends and pipe for under 150 bux.

 

15 psi on on dsm 440 injectors , i dont think so

 

I was running 8 psi on RC 440's with fuel pressure around 42 psi and duty cycles never got above around 30-35%. I plan on running around 15 psi when I get things going again - it seems like 440's would work fine.

 

guess again

440s are gonna be at 100% duty all day @ 15psi - i wouldnt try it with anything under 550s and even that seems to be cutting it a little close

i was running 15psi using 755 injectors and it worked out well

15 psi with a drag 3 = over 375whp if tuned correctly

and like everyone is saying - get a 3 inch exhaust


[Modified by TurboITR, 5:02 AM 6/23/2002]

 

turboITR what boost do you recomend he should run at with the dsm injectors? im interested. thanks

 

i assume you mean the 440s - i wouldnt push them over 12psi with the hondata...

but hey - if he thinks he will be ok - go for it

 

K something I may have forgot to mention. 15 psi is the max boost this car will see, like an occasional run at the track. It is a daily driven car and will probably run at the standard 7psi with the drag kit. Wont the 450's work fine if it sees 15psi on occasion?? I am going to use the turbo xs dual stage and launch at low boost, 7psi and flip the switch and run at 13-15psi the rest of the run. LIke I said maybe two times to the track a month...

 

no. 450's are gonna max out around 250-300whp depending on the fuel pressure u want to run. u need at least 550's.

 

I'd say around 360 based on the dyno charts they have on the hondata website

 

my old dyno owns