Thanks Tom. Really great info! I've been soaking
up this stuff on Nitrous, Alky and Nitro for the
past few months. Your answer to John provided
more information than everything else I could
learn all combined.
Dick J
--- "Thomas E. Bryant" <saltracer@awwwsome.com>
wrote:
> John,
> Hmmm! Don't know if I should help you on
> this??? You thrash me pretty
> good without nitrous, but then I have no
> secrets.
>
> We run a Kinsler prepared Crower 2.5 inch
> injector with the nitrous
> plumbed on the underside of the manifold. We
> use a NOS 200 HP system,
> single stage system that is jetted with fixed
> nozzles (one fuel and one
> nitrous) in each intake port. We use a holley
> fuel pump with an
> adjustable regulator for the added alcohol when
> nitrous is applied. This
> past year we went to a digital MSD that retards
> (adjustable) when the
> nitrous is applied. We generally use the
> nitrous for the last 1 1/2
> miles at Bonneville and in high gear at the
> lakes.
>
> We have two 10 pound bottles on board. I found
> early on that for best
> performance you need a fresh bottle on each
> run. However, our fastest
> run at the World Finals was a second pass on
> the same bottle. We use
> about 3 lbs. per run.
>
> When I was running geared for 8000 to 8200 RPM,
> the application was very
> thrilling, like hitting passing gear, but with
> the present gearing
> (7600) it is fairly soft, but still exciting.
> It can get loose when the
> nitrous is turned on. Nitrous was the trigger
> for Jeff's spins.
>
> A word of caution, I carried a nitrous system
> on the car for a couple of
> years before I used it because I was having
> trouble with a high speed
> by-pass system on the injection. You have to be
> certain that the engine
> is jetted correctly before using the nitrous.
> The nitrous system is
> properly jetted, but if you are lean on the
> basic jetting, when the
> nitrous comes on it gets expensive, and can
> shorten your week. I run the
> fuel pressure on the high side to be safe. With
> gasoline, proper
> pressure may be more critical, with alky being
> a little rich doesn't
> matter that much.
>
> It's fun, but be careful. See you at Muroc.
>
> Tom, Redding CA - #216 D/CC
>
> John Beckett wrote:
> >
> > Tom
> >
> > OK, now that I have Nitrous on the
> brain...hmmm...that's interesting. I
> > have a few questions for those who run the
> stuff on the 'salt' or lakes. And
> > you have been doing it successfully for some
> time now. 1) I guess you run
> > with a Hilborn style injection system. So how
> do you plumb the
> > system...fogger nozzles? 2) Do you run 1, 2
> or more stages? and
> > approximately how much HP per stage? 3) Do
> you use a controller? 4) When
> > do you first apply the Nitrous? certain
> speeds, RPM? 5) How much Nitrous
> > do you carry and use per run? 6) What's the
> traction situation like when
> > you hit the button?
> >
> > Thanks
> > John Beckett
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