[Tigers] More 302 questions

[Gary]

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 at dynastream.com> wrote:


From: Smit, Theo <Theo.Smit at dynastream.com>
Subject: Re: [Tigers] More 302 questions
To: "Gyroplanes at aol.com" <Gyroplanes at aol.com>, "tigers at autox.team.net"
<tigers at 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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