Yup b 100% castor oil. With respect to octane ratings I donbt have a clue
since Ibm using 110 leaded racing fuel. Maybe somebody with a bit of
chemistry behind them can comment. In chemistry class, I volunteered to light
the bunsen burner.
Fred
From: Derek Job
Sent: Wednesday, April 25, 2012 1:48 AM
To: Fred Crowley
Cc: AustinHealey List
Subject: Re: [Healeys] Fw: Marvel Mystery Oil
Fred
Great stuff Fred. I love that smell. Unfortunately using Castrol racing oil
means more frequent engine rebuilds as it gums up the works. Maybe a bit of
castor oil in the fuel is the way to go. Presumably though this will lower the
overall octane level. Or would the effect be insignificant.
Is it 100% castor oil that you buy?
Derek
On Wed, Apr 25, 2012 at 6:29 AM, Fred Crowley
<fredcrowley@teamhealeytexas.com> wrote:
I buy castor oil in a gallon container (off the internet) and add a couple
of glugs (must be very precisely measured) to about 5 gallons of gas in my
vintage racing '62 3000. Depending upon who's asking:
Other Racers: It adds substantial horsepower, improves the handling, and
reduces wear on the brakes
Me: It smells real good, just like it was in the day when castor oil was in
the sump.
The main reason I do this is that our sanctioning body here in Texas values
authenticity of presentation of the race cars. I may not be the fastest, but I
sure smell authentic (there's a lot of leeway for comments here!).
A side effect I've noticed is that cylinder bore wear, vales, and rings show
minimal signs of wear. I built up the current engine in the car about 10 years
ago. With 6-7 hard racing weekends a year, the leak down is still less than
1%.
Cheers, Fred
a.k.a Team Healey Texas
-----Original Message----- From: Dick Matson
Sent: Tuesday, April 24, 2012 11:38 PM
To: AustinHealey List
Subject: [Healeys] Fw: Marvel Mystery Oil
I acquired a 5-gallon 'drum' of Marvel Mystery Oil a long time ago.
I don't know if it's a placebo or if it is actually helpful but I used a
little as a fuel additive in every fill up of my vintage airplane - and
Farmall tractor also - for years. The Continental engine in the airplane -
and the Farmall engine too - ran great. So I still have a little left and
add
a couple caps full in the Austin Healey gas tank once in a while. Doesn't
seem to hurt a thing.
Dick Matson / Bj8
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