Topic: Aluminum Flywheel
in Forum: C3 Driveline Components
Already a Member?
Click Here to Login
Not yet a Member?
Click Here to Register for Free!
Lifetime MemberManteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold
1975 L48 4 speed
How much experience has anyone had with the aluminum flywheel. Sounds tempting, but there are a lot of conflicting opinions in a street application. Anyone have one ? Would you do it again ?
Jimmy B.
Just can't wait to get on the road again. 
Click to see larger views!
SPONSOR AD:: (Our Sponsors help support C3VR)
Former Member
Send PM
Charleston AFB, SC - USA
Joined: 10/31/2007
Posts: 111
Vette(s): 1979 Cream Beige Coupe w/383 & 700R4
Depends on what you are doing with it. A heavier flywheel is better for drag racing.
Lifetime MemberModerator
Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20219
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Alum wheels are good for light-weight cars, and corner burners with lottsa torque. Not so much for a street car, unless it's a big block with some stump pullers in the diff.
Once the pads/lining for it gets damaged, it can cost a bundle to have it relined. They should also be balanced with the engine components, as part of an engine build. Just bolting one on is normally gonna create a harmonic vibration that will eventually cause crank damage, or even split the main bearing webs in the block.
I have used alum flywheels in the past on drag cars, but the cars were always super light, and we ran really low gear ratios(4.88.1 5.14.1).
My opinion is they just ain't worth runnin on a normal, street driven car.
Once the pads/lining for it gets damaged, it can cost a bundle to have it relined. They should also be balanced with the engine components, as part of an engine build. Just bolting one on is normally gonna create a harmonic vibration that will eventually cause crank damage, or even split the main bearing webs in the block.
I have used alum flywheels in the past on drag cars, but the cars were always super light, and we ran really low gear ratios(4.88.1 5.14.1).
My opinion is they just ain't worth runnin on a normal, street driven car.
Joel Adams
C3VR Lifetime Member #56 
My Link 
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
in Forum: C3 Driveline Components
SPONSOR AD: (Our Sponsors help support C3VR)