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Old Dec 14, 2003 | 10:40 PM
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badassfordpu
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how much cfm?

can any one tell me how much cfm does a stock 48 mm twin throttle body flows?
 
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Old Dec 15, 2003 | 08:09 AM
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about 660cfm. which is good up to 300hp or so. you looking to upgrdade?
 
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Old Dec 15, 2003 | 08:20 AM
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how did you come with that number? and yes i will be upgrading soon. dont know if i will be going for the 56mm or 61mm
 
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Old Dec 15, 2003 | 08:38 AM
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on the web. I find performance info is quit addictive. I would have to check my favorites to see if I can find the site, will post.
 
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Old Dec 17, 2003 | 03:12 AM
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Keep in mind that the number provided is theoretical....

V.E. of the engine, porting, valve size, camshaft design and type of induction have the final say...

slap a blower on it and this baby will flow much more than the theoretical value.

cheers
R
 
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Old Dec 17, 2003 | 08:18 AM
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no luck on the original site I used but of what I did find all use comparisons to the GM twin throttle bodies when claiming cfm ratings. so the numbers are going to be approximate.
BBK and Edlbrock seem to be the most popular F-series style twin TB.
 
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