Holla, getting a great deal on an s90 throttle body, (55mm over the stock 50mm? Is this right?) Its such a great deal im going to pick it up regardless. Will I notice any gains from this, mainly throttle response as my i-dsi twinspark has shiiiit TR. But most importantly will i notice any negatives? Ive got an apexi short ram filter already on, will i loose pressure, will it struggle to suck in enough air? What are your thoughts guys!

 

honda's older 1.5 liters came with 56mm throttlebodies, I see no reason it will hurt overall power.

It probably WILL negatively effect low rpm power, but then economoy hondas never had power below the midrange.

Id do it if you drive your car with some spirit quite often

 

Mines is the 1.3, l13a, i sure its only 50mm? hmm, is it a big job?

 

No it's quite easy. disconnect your throttle linkage, take off four nuts and instal new one reverse the process.