>certain mods, but requiring the stock exhaust all the way past the cat is
>absolutly ludicrous unless they are all moved down several classes.
>the ESP V-8's (Camaros Mustangs whatever) to run cast iron log manifolds
>a single 2 inch cat, then I might think this rule could work.
Both of your points above are the essence of a recent letter I sent to the
SEB (my second so far on the topic). I think you said it well in a lot
fewer words than I used!
Your and my perspectives both were about ESP, which I took pains to point
out in my letter. Forced induction cars (bear in mind this rule would apply
to supercharged cars, too -- *really* not fair to those guys) in other
classes must be the ones some people are concerned about, because I'm not
aware of forced air cars dominating ESP.
>An easier fix would be
>requiring every turbo car to run a pop off valve set at a particular
This is the best idea I've seen yet. Maybe when a "controller" has been
suggested in the past, I had visions of something else besides a simple
BTW, though, if we're going to encourage such a gadget, we want to steer in
the direction of a bypass, not a popoff, valve. Not the same animal -- the
bypass sends the air back into the system, a popoff vents it to the
atmosphere. Venting upsets the fuel injection metering, bypass doesn't.
And a bypass valve will make the "unlimited IC" rule more useful.
>for the engine size, and or weight. They are redilly available, easy to
>and totally reliable. Allow say 15 psi of boost for 4 bangers, 12 for
San Diego, California, USA
86 Mustang SVO-1C: ESP-->FSP
TSVO & TSOL Founding Member
SVO Club of America Member
Pinto Car Club of America Member
72 Pinto Sedan 2.0 3J - Original Owner, Restored:
@ the San Diego Automotive Museum.