SeanDezart
Well-Known Forum User
THE damper for anyone who is serious about their z engine !
The problem with the 6 cylinder crankshaft in any form is that it suffers with harmonic vibration problems and over the last 20 years we have experienced broken cranks (see photo) and dampers welding themselves to the nose of the crank !
We have used various rubber type dampers over the years but the problem is one can never be sure if the frequency of the damper is in tune with the harmonics of the crank so it may work or it may not......
We have known for some time that the answer is the viscous damper as it is self-tuning to the frequency of the harmonic vibrations.
Until now, as far as we know, there has not been anything suitable available, but as motor manufactures are now using them on their diesel engines to solve the same problems, the technology has come to us ; we now have this new damper that will solve all the problems experienced in the past and yours in the future.
The unit comes in 2 parts - a hub to bolt to the crank that has the built-in v belt pulley and the damper ring itself that bolts to the hub with 9x 8mm cap screws supplied.
There are a further 3 holes on the front of the Damper for a trigger wheel if required.
This damper may be removed and fitted to another engine or the same but upgraded.
PLEASE BE CAREFUL NOT TO DROP THE DAMPER RING AS THIS COULD MAKE THE UNIT FAULTY and therefore ineffective.
VISCOUSE CRANK DAMPER www.djs30.com - Z Club Classifieds
SEE www.djs30.com
The problem with the 6 cylinder crankshaft in any form is that it suffers with harmonic vibration problems and over the last 20 years we have experienced broken cranks (see photo) and dampers welding themselves to the nose of the crank !
We have used various rubber type dampers over the years but the problem is one can never be sure if the frequency of the damper is in tune with the harmonics of the crank so it may work or it may not......
We have known for some time that the answer is the viscous damper as it is self-tuning to the frequency of the harmonic vibrations.
Until now, as far as we know, there has not been anything suitable available, but as motor manufactures are now using them on their diesel engines to solve the same problems, the technology has come to us ; we now have this new damper that will solve all the problems experienced in the past and yours in the future.
The unit comes in 2 parts - a hub to bolt to the crank that has the built-in v belt pulley and the damper ring itself that bolts to the hub with 9x 8mm cap screws supplied.
There are a further 3 holes on the front of the Damper for a trigger wheel if required.
This damper may be removed and fitted to another engine or the same but upgraded.
PLEASE BE CAREFUL NOT TO DROP THE DAMPER RING AS THIS COULD MAKE THE UNIT FAULTY and therefore ineffective.
VISCOUSE CRANK DAMPER www.djs30.com - Z Club Classifieds
SEE www.djs30.com
) but Dave Jarman did the R and D and it's he who adapts these for the L-series engines.
