Can a mk2 HS be made into a mk3?

Bonzo · Jul 14, 2022

..simply by fitting the extra parts (spring, bracket, plate, trunnion etc)?

...and would it be a worthwhile upgrade?

...or is it just better to dive in with a complete AN Norvil racer/ DT/CNW (or whatever)?

Fast Eddie · Jul 14, 2022

Rose joint / link type is definitely the way to go IMO.

Unhindered up and down movement, with zero side to side movement. EXACTLY what isolastics need to work as intended.

maylar · Jul 14, 2022

I think the only difference is the suspension spring added to the MK3. That serves to take some loads of the iso rubbers so they last longer. That's not the same as the DT/cNw linkages that do a far better job of being a "steady".

Bonzo · Jul 14, 2022

Thanks chaps.

Had an idea that was gonna be the verdict.

cash · Jul 14, 2022

maylar said:
I think the only difference is the suspension spring added to the MK3. That serves to take some loads of the iso rubbers so they last longer. That's not the same as the DT/cNw linkages that do a far better job of being a "steady".

The suspension spring reduces the 2500 to 3000rpm low frequency vibration. With a properly set up motor and careful adjustment of the spring LFV can be eliminated.
Dave

Onder · Jul 14, 2022

Hmmm. On the way home, after getting off the dual carriage, I started thinking about just this! Time to try the spring I think...

Can a mk2 HS be made into a mk3?

Bonzo

Fast Eddie

maylar

Bonzo

cash

Onder

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