Full hard setting i still get the detonation of spent fuel on partial throttle settings....turbosmart
Pressure to move piston 5mm on the Bosch 5.8 kg
Pressure to move piston 5mm on the turbosmart 4.9kg
I'm going to annoy my local hobby shop to find a firmer spring....
Either a 1/8 buggy/truck spring should come close....
