Intake/Tune
06-16-2007, 04:39 AM
#3
3rd Gear Member
Join Date: Jul 2006
Location: British Columbia
Posts: 638
RE: Intake/Tune
when i 1st installed it it was day and night
running 87 octane, not a huge increase in power, but throttle response is 1,000,000 times better
the gains in power, ive gotten used to it and now it seems a little too tame
gotta drain the tank of 87 and run 94
running 87 octane, not a huge increase in power, but throttle response is 1,000,000 times better
the gains in power, ive gotten used to it and now it seems a little too tame
gotta drain the tank of 87 and run 94
06-16-2007, 06:55 PM
#6
1st Gear Member
Join Date: Apr 2007
Posts: 64
RE: Intake/Tune
I went JLT and Bmachips as well. On the same night, the 93 octane torq and performance tunes (you get 3 to choose from...performance, torque, and race) were .25 quicker than the 87 octane performance tune. Had I tested them on the same night, I feel that the performance tune would have been .20 quicker than stock.
The stock throttle lag is awful. They actually DID clean it up a LITTLE bit on the 2007s, but it's still not like a real throttle with a cable set up. The performance tuners (particularly Doug wtih Bmachips) get the throttle so it responds. You can actually downshift now, blipping the throttle, not holding it for a second waiting for something to happen.
The computer on stick cars pulls 15 degrees of timing out of it between shifts. That's horrible. It also slowly begins to close the throttle and retard time against your will as you approach redline. The tuner also bumps the rev limiter a few hundred RPM, so you can take advantage of the extra power and power curve of the tuner out to 6500rpm. There is a little work done with the variable cam timing, but not a whole lot.
One thing you will also enjoy, is improved fuel economy. My MPG improved by 2mpg after installing Doug's 93 Performance tune. Yes I have to use premium and pay more for it (oh no, $2.00 a tankful...), but the fuel economy pays for it, and I'm making 35hp more than I was stock.
The top CAI kits all perform about the same. C&L, Steeda, and JLT are the most popular. If you're going to stay stock, stick with the smaller MAF housing. Anything over 90mm is overkill and won't yield you anything, unless you're planning on exetensive induction mods in the future.
The stock throttle lag is awful. They actually DID clean it up a LITTLE bit on the 2007s, but it's still not like a real throttle with a cable set up. The performance tuners (particularly Doug wtih Bmachips) get the throttle so it responds. You can actually downshift now, blipping the throttle, not holding it for a second waiting for something to happen.
The computer on stick cars pulls 15 degrees of timing out of it between shifts. That's horrible. It also slowly begins to close the throttle and retard time against your will as you approach redline. The tuner also bumps the rev limiter a few hundred RPM, so you can take advantage of the extra power and power curve of the tuner out to 6500rpm. There is a little work done with the variable cam timing, but not a whole lot.
One thing you will also enjoy, is improved fuel economy. My MPG improved by 2mpg after installing Doug's 93 Performance tune. Yes I have to use premium and pay more for it (oh no, $2.00 a tankful...), but the fuel economy pays for it, and I'm making 35hp more than I was stock.
The top CAI kits all perform about the same. C&L, Steeda, and JLT are the most popular. If you're going to stay stock, stick with the smaller MAF housing. Anything over 90mm is overkill and won't yield you anything, unless you're planning on exetensive induction mods in the future.
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