You'll have to remember that some of the Chevy's use a TBI and not
Multiport Fuel Injection. With the Injector on the top of the TB, it works
on the same principle like a high-rise manifold and carb. More Top-End HP.
- Bernd
At 11:44 AM 01/12/2000 -0500, you wrote:
>Alan, I've had the spacer w/helix now for about a year. Its
>aluminum, 1" thick and fits under the hood well (w/o insulation).
>I was told to expect about 11-14 hp on the 5.2L. NOT SO. However,
>the truck has run a little better ever since and I don't care to
>take it off. Not sure about the HP gains but I'm sure its real low.
>(guessing 1-3hp). I noticed one advertiser in Sport truck magazine
>(I think) was boasting 15hp for Chevys. Sounds like another
>"splitfire" boast *lawsuit* to me.
>
>GS -
>
>
>Alan Short wrote:
> >
> > Bernd D. Ratsch wrote:
> > >
> > > Alan S has tried one, I'm still running mine through its paces, and
> others
> > > have used them as well. Most everyone agrees that they're really not
> worth
> > > it. I personally didn't gain anything substantial to warrant the cost.
> >
> > Is a "riser" the same as a spacer between the manifold & t/b?
> >
> > Also, I'm curious Bernd, what did the Helix g tech? Mileage?
> > You say you didn't gain anything "substantial", I'm curious what you DID
> > gain! And don't tell me "a little more top end" that doesn't mean squat.
> >
> > No offense, but you keep saying it isn't worth "much", implying that it
> > IS worth something. What would that be?
> > Alan S.
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