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98 civic HX throttle body size?

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Old 01-22-2008, 05:07 PM
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Default 98 civic HX throttle body size?

Can someone tell me the inside diameter of the throttle body on a 98 Civic HX

also im swapping the throttle body with a Integra throttle body soon. Is there anything i can do to make the throttle body flow better?? besides port and polishing of course.
Old 01-22-2008, 05:33 PM
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Default Re: 98 civic HX throttle body size? (n8dizzel)

i want to say 56mm 57mm...port matching would help depending on the manifold you use
Old 01-22-2008, 05:38 PM
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Default Re: 98 civic HX throttle body size? (Throwdown)

I have the stock HX manifold. i think its the same as on the EX

Old 01-22-2008, 06:05 PM
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Default Re: 98 civic HX throttle body size? (n8dizzel)

it should be the same size as the z6? i compared my z6 throttle body to the b16a2 and its way smaller....why not upgrade your intake manifold as well? go to ebay and look at skunk2 pro series and offer them $175....i think their asking price is $235....i had a couple of my buddies do this and got a great deal....i know alot of people say that getting an aftermarket intake manifold and a bigger throttle body will not help, but hey for me it did, i'm just talking from expirience....

an integra throttle body would be bigger i believe about 60-63 mm....? not so sure, but you will have to port to match your intake manifold to get the best performance......

for mine, i got a skunk2 pro series with a b16a2 throttle body....i get way better throttle response and it picks up alot quicker at higher rpms.....
Old 01-22-2008, 09:38 PM
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Default Re: 98 civic HX throttle body size? (n8dizzel)

Don't touch the throttle body unless you have the modifications to justify an upgrade. Even port matching will hurt.
Old 01-23-2008, 03:37 PM
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Default Re: 98 civic HX throttle body size? (ddd4114)

i wonder how much it would hurt?? i've seen gains from upgrading to a stock b series TB w/ port matching on dyno's.... maybe the one you've seen was something to big?? aftermarket?? overkill maybe??
Old 01-23-2008, 04:14 PM
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Default Re: 98 civic HX throttle body size? (Throwdown)

Are any of the dyno plots available?
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