Odd... I gained about .3 and 1 MPH with mine... I'd try a different one..
Mine makes a big difference..
*-=-=-=-=-=-=-=-=-=-=-=-=-*
Tim Berry (97 Dakota Club Cab)
Chesapeake, VA
Best 1/4: 13.50@101.91
*-=-=-=-=-=-=-=-=-=-=-=-=-*
> Well, I took the truck to the dyno shop today to establish whether the
> Hypertech PTM was worth the almost $300 I spent and to let others know
> whether its worth the money.
>
> To start, my truck dynoed at 188.0 rwhp and 267.3 rwtq about a year and a
> few months ago. the temp was around 88F. Only mods were the Gibson and a
K&N
> with my homemade ram air.
>
> Today, after letting the truck cool for almost an hour, we hooked her up.
I
> was only able to generate around 168 rwhp :( The temp was around 50-55F.
> This run was in 4th gear to 5,000 rpm (it sounded sweet)
>
> Being miffed, we ran several more runs in 3rd and 4th with the Hypertech.
> The best we could do was 176.5 rwhp and 256.3 rwtq in 3rd (horsepower) and
> 4th gear (best torque).
>
> I then disconnected the battery and reinstalled the stock computer
harness.
> I ran the truck about 30 miles around town to re-learn the computer.
>
> The best I did with that was 184.5 rwhp (3rd gear) and 266.1 rwtq (4th
> gear). Almost identical to a year ago.
>
> In summary, I lost about 10 horsepower and 10 lb/ft torque with the
> Hypertech.
>
> 3rd gear
> Hypertech - 176.5 horsepower
> - 247.7 torque
> Stock chip- 184.5 horsepower
> - 254.7 torque
>
> 4th gear
> Hypertech - 169.8 horsepower
> - 256.3 torque
> Stock chip- 180.1 horsepower
> - 266.1 torque
>
> I'll be returning my Hypertech for a refund very shortly.
>
> Dave Thede
> 1997 Sport+ Flame Red CC V8/5-spd 4x4 3.55
> Dynoed 188.0 rwhp, 267.3 rwtorque
> Homemade Ram Air
> K&N FIPK clone
> Gibson split cat-back
> Hypertech PTM - returned to manufacturer
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:58:04 EDT