Ever since I got my car the grab point for the clutch has been very close to the top of the petals range (say the last two or three inches it grabs). I've been wondering if it's wear or if it's a problem in the lines. My car only has 50k on it and it's a 09 ls XFE. I can't get it to slip it just seems it's engaging at an odd point. Think it might go soon?

Secondly if I had a catback exhaust and a cold air intake and took my car in for a tune what could I expect to see for HP increase over the stock 155 (I'm aware that's at the crank and not the wheels). Could I get 155 at the wheels and still get good MPG under normal driving? Would it be beneficial to tune for a higher octane?

Anyone know of a tuner around Buffalo NY (I see there are two trifecta tuners within an hours drive but neither are listed on this site as tuners).

 

No one knows?

 

a tune woke my car up. my tunner was 5 min away so he might be one of your listed ones since im about an hour from buffalo. my clutch is fully disengauged with very little travel. it seems the same as you describe it.

 

If you don't mind me asking where did you take it? I'd be willing to travel to the same place if you recommend them.

Also does the computer still register instantaneous MPG?

 

Right to his house. Its a buddy of mine right here in Rochester. Yeah everything still works normal.

 

how'd it wake up your car? I have the same car, just a Pontiac. and she's not bad, but still quite slow. I have an intake and that definitely helped but not to much.


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No 1 second delay in throttle response maybe. A bit more power.

As a side note I need to fix whatever my intake did. Threw every MAF code you can.

 

what intake did you put on?

 

I have a K&N Typhoon and a full engine back ZZP 2.5 inch exhaust with high flow cat and the ZZP 1.0 PCM. I dynoed 171 HP at the wheels.

 

I have the K&N Typhoon as well as a full cat back, Ark Grip N-II (not getting downpipe and header until I decide on a supercharger kit or turbo kit).

Have front koni struts on the way as well as a powell hardcore swaybar. I still have to get a tune, rear shocks, Powell springs V.3 (when their out) and if a used kit comes up at the right price I'll pick that up this summer. Would prefer a turbo but I saw a used zzp supercharger kit come up and sell for $1000 shipped.

 

Bump. Curious as to what people think could be the cause.

Edit- Cleaned the throttle body today better and MAF sensor. Disconnected battery and cleared codes. Started it up and it's back to normal.

 

that sounds quite interesting. how is it?
happen to run it at the track yet?


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make sure your maf is on snug or you will throw cel

 

oh....and the clutch is made like that under proper use its less likely too fail.....if you ride the clutch it will burn out so keep your foot off of it....ive seen plenty of morons online bitching about it when they didnt drive it right my buddys balt stock clutch lasted 155,000 miles =)