One thing to think about is those running the close ratio gearbox it might not
be a great solution for driveability. I have run aluminum on the race Mustang
(McLeod), now an ultra light tilton with good results, and for the Tiger it
will
get one but these are more track intended. But as it sits with the 260
and close
ratio box it might make starting line driveability a bit more of a
pain without
that bit of extra weight in the flywheel, after moving it's not
a problem.
Just tossing it out...
Sandy
________________________________
From: Gary <maliburevue@yahoo.com>
To:
"Gyroplanes@aol.com" <Gyroplanes@aol.com>; "tigers@autox.team.net"
<tigers@autox.team.net>; TheoSmit <Theo.Smit@dynastream.com>
Sent: Tue,
January 11, 2011 12:03:22 PM
Subject: Re: [Tigers] More 302 questions
I am a
huge fan of aluminum flywheels. They generally weigh 60% less than the
steel
flywheels and have a lower polar moment of initeria. This lower moment
of
inertia lets the engine rev up and down faster. If you are drag racing a
3500
lb car, you need the large rotating mass of a steel flywheel for energy
storage to help you get off the line from dead stop, but in a 2500 lb street
Tiger it's not necessary. My Tiger engine revs up so easily, I can't even give
it full throttle until I'm doing 40 mph or I just spin the tires. I am
traction limited. So not only is there less stress on the engine rotating
assembly, but the overall vehicle weight drops another 10-15 lbs, too.
Gary
--- On Tue, 1/11/11, Smit, Theo <Theo.Smit@dynastream.com> wrote:
From:
Smit, Theo <Theo.Smit@dynastream.com>
Subject: Re: [Tigers] More 302 questions
To: "Gyroplanes@aol.com" <Gyroplanes@aol.com>, "tigers@autox.team.net"
<tigers@autox.team.net>
Date: Tuesday, January 11, 2011, 10:04 AM
Hi Tom,
You need a damper and flywheel that are suitable for the 5.0, which has a 50
oz-inch external balance requirement. The 260 flywheel and damper are
weighted
for a 28 oz-inch external balance so they will not work with your engine.
On
the other hand, it's easy and inexpensive to get a brand new steel
flywheel
from Summit or Jegs. A centerforce or Ford motorsport diaphragm clutch will
work great.
Cheers,
Theo
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