Technical > Matt Shaff's Engine Shop

Exhaust pipes, what to use...

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1000hpJohn:
If I run my BBC in a fed, what exhaust setup options do I have that will work the best?  My heads have been worked on the exhaust side as well as the intake side.  Will zoomies give me more or less power and what length work the best for N/A application on gas?

Thanks

John

dreracecar:
Zoomies are only for the cool factor on your app. Numerous companys make collector style that would work better

olddiggersrule:
Now that John brought it up, my understanding was that collectors would make more power on "naturally aspirated" engines. Zoomies were for blown applications. Where does that put the injected motors?
Thanks

dreracecar:
Injected is considered normally asperated since the air is drawn in by piston travel, and not forced in with a blower or turbo.
 Some classes require zoomies to keep the nostalgia look, other classes it is open

1000hpJohn:
Aaahhhhhh crap, that means I need to build another set of headers or buy a set :-\
I suppose I could cut up the set I just made for my Elky!!!! :D. Had a lot of hours on the headers at the flanges themselves...the transitions from head to flanges and 2" straights are darn near perfect!!!!

John

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