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flywheel question
this is dumb, but do auto tranny cars have fly wheels? what does a lightened flywheel do? and which is better? 200$ from corksport or the 4650$ one from srmotorsports.com?
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Re: flywheel question
Originally posted by celticbass this is dumb, but do auto tranny cars have fly wheels? what does a lightened flywheel do? and which is better? 200$ from corksport or the 4650$ one from srmotorsports.com? By lightening the fly wheel...you decrease its mass. THUS it takes less power to spin it, and it makes it EASIER to spin it....thus it will allow your engine to rev faster. I don't know anything specific about the two flywheels you mentioned...so I won't comment on that question. |
Re: Re: Re: flywheel question
Originally posted by TheMAN Uhh, no. They *have* a flywheel. It's just called a "driveplate". It looks and is exactly the same as the "flywheel" a manual one has on a lot of other cars out there. In the case of the protege, the driveplate is of a different design than a real flywheel itself. However it is still not a flexplate, it is a big hard piece of metal! the statement about lightening it is still valid and true though..... I have never heard of putting a lightened DRIVEPLATE on an auto though....but I guess if someone makes them.....someone has....and it would give you the same effect as using one with a manual tranny....it would allow the engine to rev up faster. |
Most of the drive plates that I've come across are already pretty light. Since there isn't any friction surface like you would find on a typical fly wheel, there isn't as much mass there. However, I don't think replacing the already thin driveplate will offset the weight of the torque converter. Torque coverters themselves are pretty heavy (>30 lbs).
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nothing's free
What's the downside of a lighter flywheel? Does it make it harder to engage the clutch at all? Do your revs drop faster when you lift off the gas? Will your hair start to fall out?
Do you gotta yank the engine out of the car to change it? Or is it something you can do from underneath the car? |
Re: nothing's free
Originally posted by dewey What's the downside of a lighter flywheel? Does it make it harder to engage the clutch at all? Do your revs drop faster when you lift off the gas? Will your hair start to fall out? Do you gotta yank the engine out of the car to change it? Or is it something you can do from underneath the car? another downside is....IF a flywheel is lightened incorrectly...it can physically weaken it structurally. |
That and the inertial factor that the heavier flywheel provides (its harder to stop spinning). Flywheel kind of keeps the whole engine spinning along. But that is not usually a factor on engines with a decent amount of torque (ours). And if it is not properly balanced that is very bad.
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Yeah, I remember when I got my FS-ZE, it had a "flexplate" on it. It had been in an automatic SPort 20. I have the Fidanza Flywheel on my ride now, and all that is said above about less weight to spin, and slowing down easier are correct.
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