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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