Bill
This one didn't come out of a Healey. The owner and his friend each
bought a head from Hunter and fixed them to a 100S, and the 1st Huffaker
Special that was Healey powered. The heads lasted one race because of poor
metalurgy finish quality.
Ron
----- Original Message -----
From: <WSpohn4@aol.com>
To: <dipstickdigest@ctaz.com>; <hayes@mediaone.net>;
<vintage-race@autox.team.net>
Sent: Friday, December 01, 2000 8:37 AM
Subject: Re: Transplants
> In a message dated 11/30/00 11:22:39 PM Pacific Standard Time,
> dipstickdigest@ctaz.com writes:
>
>
> > , Huffaker
> >
>
> Do you mean the Twincam engine in the Healey 100 that was designed by Mr.
> Hunter, who later was convinced that MG stole the idea from him for use in
> the MGA Twincam? I think there were 3 running engines, but it is a long
time
> ago (I knew his son).
>
> It occurred to me (but I never voiced the opinion) that if you set out to
do
> a double overhead cam conversion on an engine, presumably to increase it's
> RPM range as part of increased power production, it just MIGHT not be a
good
> idea to start with an engine that was quite as agricultural as the old
Austin
> truck engine, redline of what, 4800 rpm if memory serves.
>
> Make it rev, no problem. Keep it's vital organs inside the crankcase when
it
> revs - another problem altogether. Damned thing probably had a longer
stroke
> than anything else that comes to mind except the AC Ace engine, and IT was
> designed before the First war.
>
> Bill Spohn
> (who has to exercise caution in keeping the bits where they belong with
only
> an 89 mm stroke)
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