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Re: Unser Ride Re: Of rears and horsepower and speeds

To: DOUG ODOM <popms@thegrid.net>
Subject: Re: Unser Ride Re: Of rears and horsepower and speeds
From: Richard Kensicki <richk@sparta-junction.com>
Date: Sat, 08 Jan 2000 17:20:14 -0500
Whew, I sure picked a tough act to beat. Good thing I haven't cut  any metal 
yet.;
B or E/MR is beginning to look pretty sweet. The engine I had in mind to use 
will
never put out 600 hp.

Rich

DOUG ODOM wrote:

> If I remember right, it was a 302 ford trans-am motor leased from
> Roush. I heard it made 620hp on the dyno. I also heard the cost of the
> lease was about 20K. Roush did send a motor man with it to take care of
> the tune up.
>                         Doug Odom
>
> Richard Kensicki wrote:
> >
> > Tom
> >     Can you tell me anything about the Ron Benham car? I'm interested in 
>what
> > motor he was running, can't always presume chevy.
> >
> > Rich
> >
> > Thomas E. Bryant wrote:
> >
> > > Richard,
> > > Yes, the Bobby Unser of Indy fame is the one. He was driving the
> > > roadster formerly owned and built by Ron Benham. It was purchased and
> > > prepared by the Leasing Company that Ron Hope is connected with for the
> > > express purpose of getting Bobby into the 200MPH Club. This is the same
> > > company that ran the same car, while Ron Benham still had it, pulling a
> > > U-Haul Trailer.
> > >
> > > So far as the gear discussion goes, I don't know of any hard facts and
> > > figures on HP loss through these various units. We run a Halibrand
> > > Championship unit with a 4.11 ring & Pinion in our car. I have always
> > > run the quick change rear axles for the convenience. I'm sure that I pay
> > > a price for this, if I was to build another car it most likely would not
> > > have a quick change, we don't really change the gear that often anyway
> > > except changing back and forth from Bonneville and the Lakes.
> > >
> > > Richard Kensicki wrote:
> > > >
> > > > The land-speed mail is getting exhausting so I've got some new questions
> > > >
> > > > 1. How much HP is lost through the rear end? An article about a
> > > > competition coupe (early 90's) used a 7.5 rear gear because it took 10
> > > > less HP  to turn it (compared to a 9) and the salt is too slick to hook
> > > > up the rear and overload it. I would think a 9 inch rear would be needed
> > > > to run the paving at Maxton.
> > > >
> > > > 2. Noticed that no one seems to use a quick change rear (what I've seen
> > > > at least), is it the cost or drive train loss?
> > > >
> > > > 3. Anyone want to estimate how much HP would be needed push a D/GMR to
> > > > 225? I see that the record is from 93 at 223 by B. Unser. Is that the B.
> > > > I think it is? This record is very close to C/GMR of 225. Was this just
> > > > a hot setup that worked and made the record difficult to break?
> > > >
> > > > 4. I'm waiting on a rule book but wanted to know if going to fuel or
> > > > blower bumps you up a class without a cubic inch change? Thought I read
> > > > that somewhere but can't verify it.
> > > >
> > > > Rich




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