Dual to solid mass conversion

[Sean d]

Has anyone done this, wondering what the pro's and cons are, I am assuming this fly wheel will be considerably lighter and should free up some power but at what cost
Seems cheap enough
http://www.ebay.co.uk/itm/FOR-BMW-3...del:Z3&hash=item25b2b33f09:g:WQQAAOxygLxSXTxC

 

[t-tony]

A previous member has done this conversion. Never saw the results before he left here though.

Tony.

 

[Sean d]

A previous member has done this conversion. Never saw the results before he left here though.

Tony.

Thats a shame Tony, I've read that such conversions can free up as much as 20 brake, but wondering how it would affect the inertia of the engine

 

[5harp3y]

Some great info here

https://www.ecstuning.com/b-valeo-parts/single-mass-flywheel-conversion-kit/52281208~val/