Throttle Body
Thread Starter
4th Gear
Joined: Mar 2004
Posts: 4
Likes: 0
From: San Gabriel
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)
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)
Audi S4 driver
Joined: May 2003
Posts: 2,064
Likes: 0
From: Forked River NJ
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.
Moderator Alumnus
Joined: Dec 2001
Posts: 9,263
Likes: 2
From: Lenexa, KS
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.
Confused
Joined: Jan 2001
Posts: 4,007
Likes: 237
From: SoCal
"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
"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
you spend the cash and let us know how it turns out... 
Safety Car
Joined: Aug 2002
Posts: 4,910
Likes: 1
From: So Cal
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
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Safety Car
Joined: Aug 2002
Posts: 4,910
Likes: 1
From: So Cal
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
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