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Best Compression Ratio For Itb's

Started by speedster , Jul 02 2013 09:35 AM
individual throttle bodies itb compression ratio

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#81 speedster

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Posted 15 July 2013 - 10:05 AM

Correct, it's not the right figure. The intake valve closing point ABDC is calculated in the following manner. Divide the intake duration by 2, add that to the lobe separation and subtract out any ground-in advance. Lastly, subtract 180 degrees.

Edited by speedster, 15 July 2013 - 10:06 AM.

#82 TheHood

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Posted 15 July 2013 - 08:04 PM

Correct, it's not the right figure. The intake valve closing point ABDC is calculated in the following manner. Divide the intake duration by 2, add that to the lobe separation and subtract out any ground-in advance. Lastly, subtract 180 degrees.

 

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