Max
that's great
lets not forget the details you are measuring in rear wheel hp and that
averages out to be 75% of flywheel hp
so 86 rear wheel Hp is is 75% of what
you have 115 hp at the flywheel
WAY cool

SO I'm not the only one
going faster miles an hour with the radio on

B Bob

----- Original Message ----- 
From: "Max Wellhouse" <maxjoyce@IPA.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, May 09, 2004 4:46 AM
Subject: Dyno Day worth it's weight in gold for Boston Bob motor!!

> After a 2 month sit on a waiting list, I was able to get into the dyno bay
> at Sublime Speed Technology in Omaha.  Their time isn't cheap, but the
> experience was a very positive one(except for the test that found my fuel
> pump about to die!).  Mike is the guru on the dyno, and this was a Mustang
> brand dyno, FWIW.  The computer setup was mind boggling as he not only
> measured HP and torque, but the real reason to be there was to get the
> Haltech brain tweaked for maximum performance and economy.  The dyno is
the
> only way to go on this friends.  What he did in 4 hours would've taken us
a
> month to do on the road.  He likes full  power loads to run about 13.2 on
> the Air/Fuel ratio and no load closer to 14.5.  Without a long boring step
> by step, the Boston bob motor with the slight porting and mild cam, netted
> a solid 106 ft/lb of torque at 2800 rpm and max wheel horsepower came in
at
> 86 around 5000rpm.  He made several full throttle runs in third gear and a
> few going all the way to 5800 rpm(yeah, I was holding my breath when he
got
> over 5300!)
>
> Mileage numbers will be monitored and reported on in the near future, but
> getting all those Haltech programs working together was a big plus.
>
> BTEW, I asked Mike what the most HP he'd ever read on his equipment and he
> had a customer bring in a drag Mustang with 780 HP at the wheels.  Maybe
> that explains the box of ear plugs sitting on the computer table
>
> DM&FS
>