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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