Throttle Body
#1
4th Gear
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Join Date: Mar 2004
Location: San Gabriel
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Throttle Body
Hey Cls Owners,
you can get 10-15 horsepower more by doing throttle body. What is done is the core throttle body taking out and send to the machine shop to be bored bigger so more volume of air can enter the chamber. The ECU will adjust for this.
I have done this on my '97 XLE V6 Camry. You feel the difference throughout the RPM Band.
I Raced with 3.5 SE Altima with my '97 XLE Camry (Short Air Intake, Throttle Body, High Flow Catalyst Converter, High Flow Exhaust)
![Smile](https://acurazine.com/forums/images/smilies/smile.gif)
you can get 10-15 horsepower more by doing throttle body. What is done is the core throttle body taking out and send to the machine shop to be bored bigger so more volume of air can enter the chamber. The ECU will adjust for this.
I have done this on my '97 XLE V6 Camry. You feel the difference throughout the RPM Band.
![Big Grin](https://acurazine.com/forums/images/smilies/biggrin.gif)
I Raced with 3.5 SE Altima with my '97 XLE Camry (Short Air Intake, Throttle Body, High Flow Catalyst Converter, High Flow Exhaust)
![Smile](https://acurazine.com/forums/images/smilies/smile.gif)
#2
Audi S4 driver
Join Date: May 2003
Location: Forked River NJ
Age: 39
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I'd have to see dyno proof of that....
honda did a pretty good job designing our intake I think we have plenty of flow for NA. a type S motor and a 97 camry engine are two different stories.
honda did a pretty good job designing our intake I think we have plenty of flow for NA. a type S motor and a 97 camry engine are two different stories.
#3
Moderator Alumnus
Been dicusssed quite a bit on here, a few folks have done it. I don't believe the gains where very good for a N/A application. If there was any at all.
Do a search on it. Or maybe someone will chime in who has done it.
Do a search on it. Or maybe someone will chime in who has done it.
#4
Safety Car
"You feel the difference throughout the RPM Band.
"
I doubt it
It will lower flow speed at lower RPM causing a drop in low speed performance. Need to see low speed dyno run or results from a flow bench on the throttle body before I beleive this is anything but snake oil. Nothing in life is free.
Dan
![Big Grin](https://acurazine.com/forums/images/smilies/biggrin.gif)
I doubt it
![Roll Eyes](https://acurazine.com/forums/images/smilies/rolleyes.gif)
Dan
#7
Safety Car
I can vouch for a TB oversize bore - although you need to do more than just bore the TB; the intake manifold inlet port has to be port-matched as well. I went with a billet TB (few mm larger than a bored stock one) and it helped me hit 13.5's @ nearly 103 mph naturally aspirated - so it works!
The 10-15hp on a Camry is
The 10-15hp on a Camry is
![Bullshit](https://acurazine.com/forums/images/smilies/bs.gif)
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#9
you don't get any HP from boring out your throttle body. I've read couuntless articles about this in magazines. You mught get a better throttle response, thus your butt dyno telling you you got HP
#10
GEEZER
Originally posted by Smitty
Go bore yours, dyno and report back.
Go bore yours, dyno and report back.
![rofl](https://acurazine.com/forums/images/smilies/rofl.gif)
#11
Safety Car
Originally posted by mushutofu
you don't get any HP from boring out your throttle body. I've read couuntless articles about this in magazines. You mught get a better throttle response, thus your butt dyno telling you you got HP
you don't get any HP from boring out your throttle body. I've read couuntless articles about this in magazines. You mught get a better throttle response, thus your butt dyno telling you you got HP
THEN you will gain power
![Smile](https://acurazine.com/forums/images/smilies/smile.gif)
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