Lancia Beta Flywheel Assembly
As the Fiat derived Twin cam power plant was developed and became bigger and more powerful the
Lancia Beta flywheel assembly had to be modified to take a larger clutch assembly to cope with this.
If the clutch does not have a large enough contact area the unit will not be able to transfer the power
available to the gearbox.
The result would be slippage which would overheat the unit and result in a very short component life
(no clutch)Most Beta owners know that changing the clutch is not exactly easy – to be honest quite a few modern
cars have harder and dearer clutches – to change. I will concentrate for the time being – on the the differences between an Injection and a Volumex to highlight this.
This picture shows the clutch and flywheel
assemblies of both Volumex and normally
aspirated Beta.On first inspection they appear
to be pretty much identical.
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But on close inspection of the center plates
the different size becomes apparent VX
plate on the left and standard Beta on the right.
The spring damping area in the center is really noticeable.
|
The standard Beta clutch measures
215mm
|
Compared with 234 mm of the
VX clutch.
This is because or the VX's superior
torque so
more clutch area is required to
handle the extra “oomph!” |
Of course with a larger center plate a larger area pressure plate is also required. Compare standard...
|
With VX again |
Now pop the standard Beta center plate onto the VX cover and this is what you get.Hmmm ..... slight difference. |
A VX pressure plate
will not fit a standard Beta flywheel
because of the different dowel
and securing bolt pattern.
If you look closely you can see the dowel in the lower right of the picture
but the one on the other side will not line up. |
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