This is RWHP? If it is, then what is the HP at the flywheel? When you
get the fuel mixture dialed in the HP should jump.
Larry
Devin wrote:
This was an interesting experience for me. I had not previously
dyno’d anything, ever. I was not able to make any adjustments on the
spot as I had wanted due to a clearance issue, but I did get one good
pull to use as a baseline. The first 3 pulls were done back to back,
and afterward we were checking the computer and the ignition reference
wires had vibrated off of the coil, so the first 3 were useless. My
right slick was rubbing on the tailpipe with my car tied down on the
dyno, so after my 4^th pull we actually had some numbers. I wasn’t
able to go any further however.
Both horsepower and torque were very nice smooth curves, with a max hp
of 423.1 at 5600 and 455.9 ft/lb at 4300. Fuel curve didn’t get close
to 14:1 until 4700 rpm. It started out at 18.2:1 at 3000. I’ll take
care of this before I go back for more pulls with a different cam on
the accelerator pump. I may have to do some jetting changes as well,
but it’s pretty good in the upper range so I think the jetting is
fairly close.
Devin
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