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Jan18-07, 12:23 PM
P: 63
Can it hurt an engine's performance by having to big of a throttle body?

For example a 302 cubic inch engine flows about 520cfm at 6,000 rpm, and yet some say to get the 75mm TB that flows 924cfm from a particular company. Why do they "need" that extra 400cfm?

I had read somewhere about the effects of "too much air" could be that their can be to much pulses of air that bounces around too long, etc...etc...I wish I could recall all of it.

Thanks for the replies, further thoughts?

A bigger blade would cause more "touchy" fluctation of the engine right? aka: touchier gas pedal?