Jet Performance scam?

[Shannen Durphey]

Did they at least put a cool picture of a "before" and "after" graph
on the box?  That's where the cost is, in the documentation!
Shannen

TK wrote:
> 
> Nooooooooo! That seems so impossible!
> 
> The least they could have done was make a bunch of changes in the tables
> at -40 to +8F and in areas of the spark table that are rarely used like
> H........
> 
> Terry
> 
> ----- Original Message -----
> From: Reid Bishop <rbish at ibm.net>
> To: <gmecm at diy-efi.org>
> Sent: Wednesday, September 27, 2000 6:52 PM
> Subject: Jet Performance scam?
> 
> > I recently got a buddy interested in performance tuning GM engines.  He
> has
> > a 92 Isuzu Rodeo, with a GM 3.1 V6.  It uses a 1228838 ECU, and has the
> ANFK
> > calibration.
> >
> > Back in '94, he had bought a 'performance' chip from Jet Performance
> > Products.  Today, we read his original EPROM, and found that the
> > 'performance' EPROM had the SAME IDENTICAL IMAGE on it as was on the
> > original factory chip!
> >
> > What gives?  Did Jet somehow 'hide' their calibration (I don't see how
> this
> > is possible on a 2732 EPROM), or did they just plain scam him for $120?
> > BTW- he did not receive a CALPAK- this is not a removeable chip on the
> ISUZU
> > '8838.
> >
> >
> >
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> 
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