240 DIZZLE FLYWHIZZLE ON 300 DIZZLE TIZZLE MY N!ZZLz
i hear the 240d flywheel is the lightest. anyone here put a 240d flywheel onto an auto trans 300dt? what was the effect?
or how about just lightening the stock flywheel? is it possible or is there not too much space to reduce weight? is the 300dt flywheel single or dual mass? is the 240d flywheel have the same locations for pickups and the same number of teeth, and same diameter? guys, this might be the easiest performance upgrade for the 300dt--need to know some answers before i have my mech tearing **** up for me. ha |
Pretty sure they are different sizes, and that the 240 flywheel will give you some vibration. It will work, pretty sure many people use it.
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so the 240 flywheel will bolt right up to the 300dt?
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How about you title your threads like you have some common sense.
The 240D flywheel will fit but it must be balanced to your old flywheel or it might cause some vibrations. |
i have like ZERO ZIZZLE use for common sense.
so how do i 'balance it to my old flywheel?' what does that mean? i mean when you balance a wheel, you balance it to itself with the tire on. |
Ya I always thought that the problem with common sense was that it wasn't very common.
You need to take both flywheels to a racing shop or something and have the 240D flywheel match balanced to your stock flywheel. The 240D flywheel needs to be balanced just as your stock one is. |
i have a machine shop that does this. if i told them exactly that, I would they they would know what i'm/your talking about, even though i have no clue what that means.
so, is there an appreciable performance gain? i mean, there's going to be less rotating resistance, so you'd think... |
Yes they should understand....
The larger flywheel helps produce torque, to be honest I don't think there would be much if any difference in swapping flywheels. |
If I had to guess, I'd say the performance increase of this one mod by itself would be negligible. This and a lot of other small ones could add up, though. It's not so much that there is less resistance to rotation, but less rotating mass.
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how about this, plus all aluminum pulleys? there's got to be someone in the last 30 years who'se made alum pulleys, or at least someone who'se discovered an aftermarket one that works with the stock mb belts. it's not like the belts on this car have ribs, so it should be a pretty common set of pulleys
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is this a single or dual mass flywheel? on my w201, there were a few model years where they made a single mass flywheel, and that's the one that's rare and you can remove a lot of weight off it. |
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I know some companies make lightweight racing flywheels, but I don't know about for the W123.
When I had my Toyota Supra, Fidanza and Jun made the best lightweight flywheels. |
On a diesel you don't want a light flywheel, especially on an engine that is not inherently self balancing like the 5cyl Benz. Four cylinder engines self-cancel first order vibrations by having two pistons operating on the same plane. Inline sixes cancel first order vibrations a bit better and some second order vibrations, while an inline 8 will cancel all first and second order vibrations. Since the 5cyl does not have any paired pistons, it needs the mass of the flywheel to smooth it out. Without this mass, you can get vibration problems up to snapping the crank.
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