Header impressions! (long)

[Jim Green]

--- JShadzi at aol.com wrote:

> Ahh yes, the darned flywheel effect, I agree 1st is
> short but brutal, 2nd is quite impressive, if I
> shift hard I easily get rubber, the burnout kind of
> cylcles between front and rear for a second as the
> Torsen does its thing, yes, 3rd is definitely best,
> and is the gear where the flywheel effect is
> basically gone.  I've been sourcing a nice billet
> aluminum piece that weights about 12 lbs, lemme know
> if you're interested.

Hopefully my tranny will stay in there for a while,
but if it ever comes out, well, I'll just have to take
you up on that!

> I have the same valve, I was having a similar
> problem I think, I ended up shimming the spring with
> about a 1/16" washer, really tightended up the valve
> and reduced a lot of the little throttle puffs.  I
> also hear you saying that you think you're
> overwhelming the valve with CFM, I guess I'd keep an
> eye on your boost gauge to see if you're getting any
> spikes, my guess would be the Forge should be good
> to at least 400hp without too much trouble, two in
> paralell would be good for above that.

I'll try shiming it a little to see if that helps.  It
sounds like it's over-active so that may do the trick.

> Anyway, good stuff, I just wish you'd come out to a
> CA track event so we can pass up the modded S4's
> together, just like the IMSA cars did in their 1-2-3
> wins  =)

If my girlfriend has her way I'll be out there in a
few years.  Hmm, I wonder what the car will be like then....

=====
Jim Green
'89 90tq 034EFI, Haltech IG5
http://www.geocities.com/jeg1976/car_home.html

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