I only know the basic, from my understanding is adjust the cam thru cam pulley and tune with management (piggyback/standalone), hope exp zth member can explain in detail coz im interested too. hehe
I was sifting through various würth catalogs trying to find information about the so called autofoam. Appearantly würth does not make any product called autofoam. They do have a two component pu foam in their US...
GENUINE NISMO 320 KM CLUSTER,EXCELLENT GOING CONDTION,FITS ANY R33,SPEEDEO READS 132,000 IN PHOTO BUT SINCE PHOTO WAS TAKEN I HAD IT CALIBRATED TO 104,000 KMS TO SUIT MY CAR,WICKED SPEEDEO.