Skip Kelsey wrote:
>
> Chris:
>
> I dont disagree with you. This gets very confusing. I did witness the MGA
> that I saw, and it performed a lot more than a 10% increase. I guess the
> only way to tell for sure is to get more of them out there. This thread can
> be beat to death, without more proof.
> The distributor is a minor problem. Putting in the Pertronix unit minimized
> it. The problem is less with SUs or 32/36 DGV. Mike Pierce had an impromptu
> pre arranged race with a new Miata, and waxed the ass off of it with his 71
> B with the crossflow.
> Anyway its good fun talking about it.
>
> Cheers:
>
> Skip.........At 04:15 PM 7/8/97 -0400, Christopher M. Delling wrote:
> >Skip Kelsey wrote:
> >>
> >> Chris:
> >>
> >> A lot of people are in the dark as to the actual horsepower that a B engine
> >> puts out. THe Factory advertises 95 HP. This is not true. It actually puts
> >> out about 79 HP. There is a difference between BHP & SAE HP. Now adays it
> >> is figured differently. I dont claim to be an engineer, but If you research
> >> this you will see what I mean. Mike Pierce can explain it better than I
> can.
> >>
> >Skip-
> >
> >I am very much aware of these differences, having worked in the
> >dynomometer industry for more than 10 years. I agree, a lot of people
> >don't understand the H.P. ratings, and SAE net (measured at the rear
> >wheel on a rolling road) is a lot different that the old BHP Gross
> >values (measured at the flywheel with an engine dyno).
> >
> >However, my conclusions are based on charts from Steve Darby's website.
> >In these charts, he shows dyno numbers, at the rear wheels, for a
> >engine/carburation package, followed by the same engine with the
> >crossflow head. It is these numbers which show the relatively small
> >improvement.
> >
> >It also seems that moving the intake to the offside of the engine would
> >make access to the distributor much more difficult, although this seems
> >to be a minor problem. I am not trying to discredit the crossflow
> >head. I just question it's benefit on a near stock street motor. I am
> >sure that for a racing B it gives a definite advantage.
> >
> >Regards,
> >
> >Chris Delling
> >
> >
Agreed, the proof will be in the pudding.
Regards,
Chris Delling
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