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Tony wrote:
>Since I'm having a new clutch put in the 5kTQ within the next 2 weeks, I've been >wondering whether there's any benefit to lightening the flywheel.Anyone BTDT? >TIA,Tony You must understand the "reciprocating
mass" of your engine, this includes crank, connecting rods,
pistons,
front crank damper, and flywheel, which are all "balanced"
together!
The inertia forces are "balanced" if the common
center of all the reciprocating mass lies in the center of the crankshaft!
If you "lighten" the flywheel, you must also
"rebalance" the reciprocating mass, or the center of balance
will be moved, and cause premature wear of crankshaft and
other rotating components.
Now, lightening of the flywheel can be done, but only if you
know and understand the end result, and have experience
with the very specific engine to which it is to be
applied!
The five cylinder engine has 144 degree's of
ignition interval.
This make's the 5 cylinder a
"rare bird" in engines and specific's associated with its
operation.
It make's "experience"
with this engine also "rare".
I have heard of only one person who
ran a "lightened" (12lbs) flywheel, and it was on a full race
machine!
Of course, now adays, the use of
"titanium" has found a home in
flywheels!
Mik |