Car isn't making the power it should (Could this be why?)

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10-23-2011, 06:37 PM

#51

stealth_GT

6th Gear Member

Join Date: Jan 2008

Location: North Pole

Posts: 6,716

Quote:

Originally Posted by gburke1

These are my tires:

255/45/18 all 4 around... all seasons lol

http://www.tirerack.com/tires/tires....e=Continental&

I would like to get some 555rs or whatever the latest Nitto DR's are.

I wonder if the fact they are all seasons lowers my trap speed vs having summer tires?

I have heard mixed reviews about the 555R's (mostly bad lol)

Not sure about the all seasons affecting your traps.. though surprised you're not trapping higher..

10-23-2011, 06:40 PM

#52

gburke1

3rd Gear Member

Thread Starter

Join Date: Apr 2007

Location: Overland Park, Kansas

Posts: 536

Quote:

Originally Posted by Acerbus 2.0

Are you still working on this, burke?
You say you got it to 450rwhp on the dyno, but that 110mph trap millage could be telling otherwise. Mine traps 114mph at about 440rwhp.

And those sub 2's 60' times are amazing for the tires you are using.
Man, your car's just weird...

Yep still trying to figure it out. My tuner is supposed to have contact or will contact SCT tomorrow and get back to me... I really don't know if I should believe the dyno they had it on because it said my car was at some crazy RPM like 9000 and that my torque was under 300.... I am wondering if the software they are using to dyno the car might be an issue because the last time he tuned my car he used his own dyno at his old shop, but the new place he is working at/with seems to have something different.

He said the fuel pressure is dropping at 5200 RPMs and he thinks it's the fuel pump driver module overheating (and that it was pretty common) and that I may need a new one. On the dyno you could see where it lost power and then it would go back up.

Hopefully he figures something out because I leave for Las Vegas on Tuesday (moving there...) I haven't really read about any Ford tuning places out there, so might have to go all the way to Cali to get the car tuned right if my tuner can't fix it tomorrow.

What are you guys running MPH wise for the 1/8? On my best run so far I got a 8.171 @ 88.98 MPH ... wonder if the car could be pulling timing up top? I do have Lower Control Arms which might play a part in my sub 2 60's

It looks like ST Motorsports is a 4 hour drive from where I'll be living in Las Vegas... I seem to remember hearing some great stuff about them

Last edited by gburke1; 10-23-2011 at 07:23 PM.