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Old 05-07-2008, 07:07 PM   #96 (permalink)
habitat
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Join Date: Jan 2008
Location: NorCal
Age: 23
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Quote:
Originally Posted by ryker View Post
Umm "hitting vtec" doesn't provided a huge increase in power.. Check out the flat dyno curve.

The only cleaning that is done is from the wallet as you toss away MPG's.
He was talking about the SI... and there is a huge bump in power after the VTEC cam shift. Look at the chart.

Performance cam engages at 5800RPM, @ ~125hp and by the time it hits 6800RPM we see a near 40HP jump to ~162hp followed by the max 180hp found at 7800RPM.



Bigger one here: http://image.automobilemag.com/f/fea...dyno_chart.jpg
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