Bill,
Don't want to make a recommendation. A point is the 2000 rulebook does call
out that CAST aluminum flywheels are not allowed. This is an addition to the
rule against CAST steel flywheels.
Dan Warner
----- Original Message -----
From: <ardunbill@webtv.net>
To: <land-speed@autox.team.net>
Sent: Saturday, January 15, 2000 12:50 PM
Subject: LSR Clutches and Flywheels
> Hi Folks. Wanted to ask those of you who use manual gearboxes on your
> cars what your preferences are for trustworthy clutches and flywheels.
>
> The rules only allow aluminum or steel, no cast iron flywheels, and both
> are available. In fact LLoyd Capanna at WilCap is making me a steel
> one for my Ardun right now, as heavy as we can get inside there. At
> present I am using an old Shiefer aluminum with a bronze insert, which
> passed Zyglo inspection at our local aircraft engine shop, and a 3200
> pound Ram Borg & Beck 10.5" racing clutch, but I wanted to get a heavy
> steel flywheel 'cause some people prefer them, and I like to have
> options. I found out right quick that if you run much initial spark
> advance with the aluminum flywheel, you will get kickback that will bend
> the shaft of your flathead starter and lock the crankshaft up. Not that
> it is difficult to straighten them.
>
> So would appreciate the thoughts and experiences of the veterans on what
> works best, steel or aluminum, and what kind of clutches.
>
> One other thing, a magazine article I read said the 11" Long-style
> clutch will not fit under the pressed steel bellhousing ('49-'51
> Mercury) for the late flathead block. They said only the 10" size will
> go. Can anybody confirm or dispute this?? Regards, ArdunBill
> Hoddinott in the Great Dismal Swamp, Chesapeake, VA
>
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