what are the good and bad points to an aluminum fly wheel?
10-26-2004, 08:40 AM
#1
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what are the good and bad points to an aluminum fly wheel? got an 04 gtoi want to put a lighter fly wheel in.I want to know if they are worth the money and do they cause a vibrations.
10-26-2004, 10:19 AM
#3
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Lightweight flywheels are great for quick revs. The less weight that you have to accelerate the better. Your car will feel like it lost 100 lbs. The only downside --
if you are doing a drag race launch, a heavy wheel may give you some momentum to get the car moving, the aluminum may cost you ET in 0-60mph. After the car is moving, you will accelerate faster with the aluminum.
if you are doing a drag race launch, a heavy wheel may give you some momentum to get the car moving, the aluminum may cost you ET in 0-60mph. After the car is moving, you will accelerate faster with the aluminum.
10-26-2004, 11:00 AM
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Originally Posted by racecar
Lightweight flywheels are great for quick revs. The less weight that you have to accelerate the better. Your car will feel like it lost 100 lbs. The only downside --
if you are doing a drag race launch, a heavy wheel may give you some momentum to get the car moving, the aluminum may cost you ET in 0-60mph. After the car is moving, you will accelerate faster with the aluminum.
if you are doing a drag race launch, a heavy wheel may give you some momentum to get the car moving, the aluminum may cost you ET in 0-60mph. After the car is moving, you will accelerate faster with the aluminum.
10-27-2004, 12:18 AM
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I have a aluminum flywheel, I love it, debated about it for weeks, and just decided to go ahead and do it, when I have to do a new clutch all you have to buy is the replacement section and not a new flywheel. I wonder, do they make steel inserts? because then you would have the durability of steel with the clutch and light weight of the flywheel. am I correct?
10-27-2004, 12:29 AM
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I have a 12.5lb Fidanza flywheel and even went as far as the 6lb lightweight billet pressure plate. I must say, it spools up MUCH faster. My launching doesn't seem to be any different either. Your 60ft times may be higher, but your ET's would probably either stay the same or drop depending on what you have. The launching inertia/momentum of the heavy plate is a plus, but the quicker revs of a lightweight are also a plus. In the end, you may have the same track times-I haven't seen anyone prove more or less.
You have less rotating mass, so you have a smaller drivetrain pwr loss. The same reason a 12-bolt or 9" takes a little power-more mass to turn=less pwr to the wheels.
You have less rotating mass, so you have a smaller drivetrain pwr loss. The same reason a 12-bolt or 9" takes a little power-more mass to turn=less pwr to the wheels.
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10-27-2004, 11:29 PM
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I also have my best 60' of 1.76 and when it was put in it lost 14 lbs. of rotational mass, and I wanted a set up that was great on the street and run to drive, and very good on the track because I drive more on the street than the track.
Stage 4 clutch, aluminum flywheel, and 4.30's very fun!
Stage 4 clutch, aluminum flywheel, and 4.30's very fun!