toolmiesterbruce

Has anybody installed an ultra light flywheel.Ive heard that there a good way to help the low end on a N/A .I would like to get some feed back befor i sink two or three bills into one.And if so what would be a good one to look for when it comes to that kind of stuff i dont want to skimp at all if you know what i mean .

RotaryRocket88

iTrader: (7)

The lighter the flywheel, the more of a pain it is to let the clutch out. Light steel flywheels are a pretty good balance between stock and the really light aluminum flywheels.

funkjaw

iTrader: (3)

I have a racing beat lightweight flywheel on my 87 (it is actually a 12a flywheel fitted onto my 13b). I love it to death, really makes the RPMs get up there even though I have my 6 ports wired open.

I would totally recommend one... the only downside is they are rather expensive... if you are on a budget I would just save your money for a TII swap.

Aaron Cake

iTrader: (1)

In many cases, a light flywheel can make the low end of a car worse from a launching perspective. For a street driven car, I always use the stock flywheel.

rxtasy3

iTrader: (2)

light flywheel, daily driven. love it.

toolmiesterbruce

Right on thats some reallly good insight I apppreciate it guys .

Kentetsu

Just installed a light steel on my 12a, but haven't tested it out yet.

From what I've researched, just stay away from the Ebay specials. Get a lightweight steel flywheel from Racing Beat or Mazdatrix.

ITRACO

May be you can the original flywheel lightend

codeman583

just take the original flywheel down to a mchinist to have them lighten it.... it is the cheapest, and safest way of doing it to preserve the balance of your motor, and they will usually be able to pull out quite a bit of material usually around 30% of the total weight, and that will be plenty to make a difference.

Light flywheels, and aluminum ebay ones may work fine, and forever, however a lightened stock flywheels maintains the balance of the motor, and leaves enough weight to keep the car comfortable to drive.

the machining is typically $30-60 which is a fraction of a "lightweight" flywheel on the aftermarket.

benefits include a smoother operation, engagement, and stalling will be improved over the aftermarket, and revving will be quicker too... best of both worlds.

Kentetsu

I don't get it. If they lighten the flywheel, then how do they retain the balance of the motor? I thought that was why when using a light flywheel, you have to get a different counterweight to go with it.

codeman583

they evenly remove weight using a laithe. the flywheel will retain all its counterweights and everything, they just laithe away weight from the backside of it. call a machine shop they will tell you about it.... typically.

rxtasy3

iTrader: (2)

rotational balance is critical to bearing life and to minimize vibration in these engines. the only way i'd attempt to have the stock flywheel lightened would be during a rebuild so the entire rotating assembly could be rebalanced.