Watched quite a few you tube reports today on the varying opinions on changing out the diaphram boost pins on a 200 (also 300) TDI engines.
Easy enough done and the piston to be swapped seems readily available, even over here in OZ (probably imported anyway).
Seems to be really an even mixture of users who seemed to agree almost unanimously that yes! It does give an increase in power, some say marginal, others reckon your picking up an extra gear. Some say works really well at low RPM under load, others seem to think it works better up the high end of range.
However, most reported an increase in black exhaust smoke which on video, reminded me of the bad old days when we used to add a gallon or two of super to a tankful of diesel in the old Perkins engines. A couple or tests showed the camera vehicle following the car being tested, completely obliterated by smoke!
Don't know what your authorities are like over there, but over here in Oz it would be ordered off the road and not allowed back on until a full pollution test were carried out.
I think it may have only been one, possibly two of the youtube tests where there was only what I would call "mild" puffs of smoke under moderate acceleration.
Just from this casual observer, it seemed to me that the claims that "increased performance 60-75%" were grossly exagerated, just changing this boost pin.
In cases where they went the whole route and changed/altered other components on the injector pump as well, performance was genuinely enhanced, but again, that tell tale black smoke under hard accelleration.Maybe have to rethink driving habits, ease off the mark and don't stick the boot into it until you face a hill?
Wonder what you blokes reckon? Dave 64
