Re: back presswure

["Gary H." <62to65mopar@xxxxxxxxxxx>]

There is a discussion at this link that may or may not be helpful. Read through it and think of what is discussed. 
http://www.hotrodders.com/forum/exhaust-diameter-formula-49188.html

Generally, too big of an exhaust is a trap many fall into.  See for example the first post here:
http://www.gm-trucks.com/forums/index.php?showtopic=67798
(Yeah GM , but generic, as in generic motors. LOL) 

Maybe you can call TTI and see if they have a tip / formula as to matching a motor to exhaust pipe size. Or call up the cam mfg for suggestions.

Thanks,
Gary H. 

>  -------Original Message------- 
>  
>  I have 2 1/2" inch all the way on mine. Sounds very nice.
>  
>  
>  George
>  
>  --- On FRI, 7/20/12, JACK CHEEK _< >_ wrote:
>  
>  From: Jack Cheek  
...
>  > a 440 bottom end with max wedge top end with the max wedge manifolds.

>  > what size exhaust pipes would be best from the max wedge manifolds though
>  the mufflers. 2 inch pipes-- three inch pipes--- with 3 inch flow masters
 
>  > would this be to much pipe and would it effect the back-pressure
>  > or run like crap--motor was bored 30 over and the cam is mopar 484 lift
>  with
>  > 284 duration-intake and exhaust-not sure of the compression
>  >
>  > running flat top pistons they are about .125 below deck..
>  thanks inadvance for the thoughts.
>  thanks jack> 

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