As you mention, Don has had plenty of time on the dyno to formulate an
opinion..... There have been several times when I have looked to the right
of the decimal point and wished I had 10 more horses.....
Ed
----- Original Message -----
From: "Doug Odom" <dlodom@charter.net>
To: "Ed Van Scoy" <lsr128@msn.com>
Cc: "Land Speed List" <land-speed@autox.team.net>
Sent: Saturday, March 06, 2004 9:21 PM
Subject: Re: Stepped Headers
> Ed, I had a long talk with Don Schoenfeld at the PRI show a couple years
> ago about stepped headers. He has done a lot of dyno testing of them.
> The best ones make about 8 to 10 more HP than non step type. There is a
> basic rule of thumb that you step them only after a bend in the header
> tube. Sprint cars will try different ones (because they are so easy to
> change) to help chase a dirt track as it changes. But I think about half
> of that is just to mess with the other racers minds. When you have your
> car so dialed in you can screw with the exhaust, your doing real well.
> Doug Odom in big ditch
>
> Ed Van Scoy wrote:
>
> >I am on another "list" and an interesting discussion broke out... The
value
> >(or lack of) stepped headers. The conclusion of that group's "expert" is
that
> >they are worthless. He cites this link
http://www.headersbyed.com/stepped.htm
> >as his defining research. I don't buy it & would love to hear what YOU
experts
> >have to say about the benefit of step headers.
> >Ed
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