bigger throttle body - Performance Forum

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bigger throttle body
Tuesday, April 26, 2011 12:14 PM
i have an 03 Sunfire with AEM cold air intake, Pacesetter header and stock everything else. I want to know how much more power i will get by installing a bigger TB?

Re: bigger throttle body
Tuesday, April 26, 2011 12:24 PM
2,145 hp with a bigger tb




Re: bigger throttle body
Tuesday, April 26, 2011 12:39 PM
on the high side you might see a max of 0, and on the low side, probably about 0.....


just changing to a bigger tb wont help you... you would have to tune for such...



Re: bigger throttle body
Tuesday, April 26, 2011 12:55 PM
yup thats why I didn't get one not worth much unless you are having supporting mods to need it.



Re: bigger throttle body
Tuesday, April 26, 2011 1:20 PM
That would be more beneficial to an engine with a port job and a set of cams.



Re: bigger throttle body
Tuesday, April 26, 2011 6:09 PM
I agree to disagree. When I upgraded mine, I noticed top end for sure. Whatever people say, my ride got quicker. 4th gear became my best gear when redlining. I only had CAI, exhaust, header and crank pulley at the time. I would get one and when you got enough mods, tune your ride.



Edited 1 time(s). Last edited Tuesday, April 26, 2011 6:13 PM

"FRIENDS DON'T LET FRIENDS DRIVE STOCK"




Re: bigger throttle body
Wednesday, April 27, 2011 6:53 AM
I have to agree. If it did nothing, then the same should be true of basically any other bolt on.



Re: bigger throttle body
Monday, May 23, 2011 6:40 AM
Has any body used the z spec 62 mm throttle body and their ported intake manifold?
Planning on this setup after the p&p any comments or opinions would be nice
Re: bigger throttle body
Tuesday, May 24, 2011 2:00 PM
02ECOTECIMPORTKILLER wrote:I agree to disagree. When I upgraded mine, I noticed top end for sure. Whatever people say, my ride got quicker. 4th gear became my best gear when redlining. I only had CAI, exhaust, header and crank pulley at the time. I would get one and when you got enough mods, tune your ride.


Seat of the pants dyno calibrated?


-Trailblazer SS - not so custom 6.0L - custom intake - custom tune
- (1) 2.4L on an engine stand (1) blown trans (2) good quad trans (1) eco trans = party

Re: bigger throttle body
Tuesday, May 24, 2011 3:14 PM
colt45 wrote:I have to agree. If it did nothing, then the same should be true of basically any other bolt on.


It is true. Bolt on's alone will net you about nothing without a tune.



Re: bigger throttle body
Tuesday, May 24, 2011 3:25 PM
Mike wrote:
colt45 wrote:I have to agree. If it did nothing, then the same should be true of basically any other bolt on.


It is true. Bolt on's alone will net you about nothing without a tune.


mikey's right! mikey's right! mikey's right!




Re: bigger throttle body
Tuesday, May 24, 2011 6:33 PM
Lol... yes. Seat of the pants calibrated! It changed the way the car drove. Highway pulls got way better!


"FRIENDS DON'T LET FRIENDS DRIVE STOCK"




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