Bob, the MPI appears to be a jump off platform for
supercharged and nitrous Daks. I'm beginning to wonder
if having one on a normally aspirated Dak is a benefit.
I'm looking forward to hearing about your dyno numbers.
Thanks
GS -
tigers@bserv.com wrote:
> For those interested in the MPI intake manifold but have some concerns
> about losing low end torque, my first test at the track indicates
> that low end torque loss is neglible at best under real world variables.
>
> The average 60' times for my 14.9s towards the end of the '99 season
> with the stock intake manifold was 2.118 sec. (low of 2.077 and
> high of 2.161 . Yesterday's runs into a blustery 30-35 mph headwind with
> the MPI installed gave an average of 2.144 sec. (low of 2.117 and
> high of 2.164). This is an average of less than 3/100s sec. slower
> with the MPI.
>
> The average 330' times without the MPI in last year's 14.9s runs
> was 6.173 sec. (low of 6.095 and high of 6.236). Yesterday's
> 330' average with the MPI was 6.300 sec. (low of 2.117 and
> high of 2.164). This is an average of about 13/100s sec. slower.
>
> Dyno runs under 'ideal conditions' with and without the MPI will come
> shortly.
>
> Again, I want to thank Jon Steiger for doing the enormous R&D grunt
> work and putting out a kit which makes adapting this performance mod
> for our magnum 8s as painless as possible.
>
> Bob. Southern Ontario, Canada.
> '97 Dakota CC Sport, FR, 5.2L, 3.55 SG, auto.
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