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Old 07-08-2014, 10:08 PM   #1
Mark Yacavone
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Default Throttle Body CFM

Single dry TB, 2.204 diameter hole with a throttle shaft going through..Going to guess .250 dia. ,on a V6 engine.

Any way to compute or figure the CFM? I'll take an educated guess at this point.
Thanks in advance
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Old 07-09-2014, 03:52 AM   #2
Mike Schwartz
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Default Re: Throttle Body CFM

There are some TB ratings in the following chart and forum thread:

http://i131.photobucket.com/albums/p...HP-600x244.jpg

http://forums.corral.net/forums/5-0-...ody-sizes.html

This might be of help.
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Old 07-09-2014, 09:35 AM   #3
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Default Re: Throttle Body CFM

Quote:
Originally Posted by Mark Yacavone View Post
Single dry TB, 2.204 diameter hole with a throttle shaft going through..Going to guess .250 dia. ,on a V6 engine.

Any way to compute or figure the CFM? I'll take an educated guess at this point.
Thanks in advance
Mark, my rough calculations shows around 440 CFM @ 28".
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Old 07-10-2014, 12:55 AM   #4
Mark Yacavone
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Default Re: Throttle Body CFM

Thanks guys, That's about what I was expecting it would be.
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