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How high do you guys rev your 5SFE? - 6G Celicas Forums

Topic #55166 35 posts Started by Projek_01
only way to change the density would be lowering temperature...

What I think when you think I care
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QUOTE (Neon90424 @ Jan 10, 2012 - 9:24 PM) *
>only way to change the density would be lowering temperature...


That's rite I had a stupid thought lol it would at to v/e?
from what I've read having a larger throttlebody it allows more air in but you have to have alot of air flowing to fill the pressure drop, its like sucking air through a straw or a 3 inch pipe you lose all air velocity

What I think when you think I care
>
QUOTE (Neon90424 @ Jan 10, 2012 - 10:22 PM) *
>from what I've read having a larger throttlebody it allows more air in but you have to have alot of air flowing to fill the pressure drop, its like sucking air through a straw or a 3 inch pipe you lose all air velocity


Makes sense
lager TB will give you...

rougher throttle response (less linear, little pedal push = most power, and very little difference after 50% throttle)
loss of lower end torque as the air speed is slowed down
probably not much gain in the high RPM where it flows the most air.

I have faith in 90% of Toyota engineering decisions. It was probably matched to the engine for a reason.

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