intake manifold ?
 

my friend has a intake manifold for my 98 civic ex. it's ported and came from antoher ex civic motor. he's not using it because he has a aftermarket manifold for his turbo civic. he's willing to sell it to me for $40. is it worth it? how much hp gain would i get from a ported intake manifold? my mods are 9.3 mm apc spark plug wires, a.e.m. sri, 2 1/4 exhaust from the catback and a matrix tunable muffler. i also have the timing advanced 1 degree.

RE: intake manifold ?
 

what car do you have?

RE: intake manifold ?
 

a 98' civic ex

RE: intake manifold ?
 

Well, since you have the exact same manifold, I wouldn't expect more than 1Hp, if that. How much is it ported out? It really negates any porting unless you have a port matched throttle body.

RE: intake manifold ?
 

what if i purchase a bbk 62mm throttle body? would that be sufficent?

RE: intake manifold ?
 

also he wasn't going to port it out too much. he said it's not worth the risk of over porting. as far as how much i don't know. all i know it would be only a little bit.

RE: intake manifold ?
 

now much is it ported?

it wont help power much, but it will help throttle response, which will make it feel like you have more low end power.

RE: intake manifold ?
 

throttle response? that sounds good to me.