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Re: Exhaust size effect - is bigger always better? Lifeguard #81520 07/16/14 05:15 PM
Joined: Dec 2013 Posts: 199 Platte, SD M Mitch Contributor
Mitch Contributor M Joined: Dec 2013 Posts: 199 Platte, SD	Found a Vizard (intelligent car guy) reference Vizard's rules of thumb: A pipe will flow 115cfm per square inch of cross-sectional area. You need 2.2cfm of flow capacity per horsepower. A chart, not sure if it's the one I originally found http://www.thirdgen.org/techboard/attach...pe-diameter.jpg

Entire Thread
Subject	Posted By	Posted
Exhaust size effect - is bigger always better?	JimW	07/14/14 06:19 AM
Re: Exhaust size effect - is bigger always better?	Mitch	07/16/14 01:07 PM
Re: Exhaust size effect - is bigger always better?	Lifeguard	07/16/14 05:03 PM
Re: Exhaust size effect - is bigger always better?	Mitch	07/16/14 05:15 PM
Re: Exhaust size effect - is bigger always better?	Lifeguard	07/16/14 06:09 PM
Re: Exhaust size effect - is bigger always better?	Mean buzzen half dozen A.K.A. Hank	07/16/14 06:17 PM
Re: Exhaust size effect - is bigger always better?	Lifeguard	07/16/14 06:39 PM
Re: Exhaust size effect - is bigger always better?	Mean buzzen half dozen A.K.A. Hank	07/16/14 06:54 PM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/16/14 10:20 PM
Re: Exhaust size effect - is bigger always better?	Lifeguard	07/16/14 11:22 PM
Re: Exhaust size effect - is bigger always better?	bcowanwheels	07/17/14 12:32 PM
Re: Exhaust size effect - is bigger always better?	strokersix	07/17/14 01:02 PM
Re: Exhaust size effect - is bigger always better?	Mitch	07/17/14 01:34 PM
Re: Exhaust size effect - is bigger always better?	walpolla	07/17/14 07:08 PM
Re: Exhaust size effect - is bigger always better?	bcowanwheels	07/17/14 08:55 PM
Re: Exhaust size effect - is bigger always better?	Mean buzzen half dozen A.K.A. Hank	07/17/14 09:02 PM
Re: Exhaust size effect - is bigger always better?	walpolla	07/19/14 07:20 AM
Re: Exhaust size effect - is bigger always better?	Mitch	07/19/14 10:52 AM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/19/14 12:24 PM
Re: Exhaust size effect - is bigger always better?	panic	07/20/14 12:48 PM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/20/14 06:19 PM
Re: Exhaust size effect - is bigger always better?	DeuceCoupe	07/21/14 02:13 PM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/21/14 03:11 PM
Re: Exhaust size effect - is bigger always better?	THE FRENCHTOWN FLYER	07/21/14 10:41 PM
Re: Exhaust size effect - is bigger always better?	Mean buzzen half dozen A.K.A. Hank	07/22/14 02:33 AM
Re: Exhaust size effect - is bigger always better?	CNC-Dude #5585	07/22/14 03:04 AM
Re: Exhaust size effect - is bigger always better?	walpolla	07/22/14 03:07 AM
Re: Exhaust size effect - is bigger always better?	Mean buzzen half dozen A.K.A. Hank	07/22/14 03:29 AM
Re: Exhaust size effect - is bigger always better?	CNC-Dude #5585	07/22/14 03:51 AM
Re: Exhaust size effect - is bigger always better?	THE FRENCHTOWN FLYER	07/18/14 04:37 PM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/18/14 08:27 PM
Re: Exhaust size effect - is bigger always better?	DeuceCoupe	07/19/14 12:59 AM
Re: Exhaust size effect - is bigger always better?	JimW	07/19/14 04:33 AM
Re: Exhaust size effect - is bigger always better?	JimW	07/19/14 04:40 AM
Re: Exhaust size effect - is bigger always better?	Mitch	07/22/14 12:15 AM
Re: Exhaust size effect - is bigger always better?	strokersix	07/22/14 01:19 PM
Re: Exhaust size effect - is bigger always better?	JimW	07/22/14 11:54 PM
Re: Exhaust size effect - is bigger always better?	tlowe #1716	07/23/14 12:03 AM
Re: Exhaust size effect - is bigger always better?	Mitch	07/23/14 12:10 AM
Re: Exhaust size effect - is bigger always better?	JimW	07/23/14 12:10 AM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/23/14 09:14 PM
Re: Exhaust size effect - is bigger always better?	JimW	07/24/14 07:39 AM
Re: Exhaust size effect - is bigger always better?	DeuceCoupe	07/23/14 10:02 AM
Re: Exhaust size effect - is bigger always better?	radar	07/23/14 02:42 PM
Re: Exhaust size effect - is bigger always better?	tlowe #1716	07/23/14 09:57 PM
Re: Exhaust size effect - is bigger always better?	Mitch	07/24/14 11:12 AM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/24/14 10:56 PM
Re: Exhaust size effect - is bigger always better?	tlowe #1716	07/25/14 02:40 PM
Re: Exhaust size effect - is bigger always better?	intergrated j 78	07/25/14 08:11 PM
Re: Exhaust size effect - is bigger always better?	tom jennings	07/29/14 03:30 AM
Re: Exhaust size effect - is bigger always better?	DeuceCoupe	07/30/14 11:59 AM
Re: Exhaust size effect - is bigger always better?	tom jennings	07/31/14 04:20 AM
Re: Exhaust size effect - is bigger always better?	tom jennings	07/31/14 04:21 AM

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