the u does stand for poolution gear, it means 'Japan Spec' pollution gear, please try and be a bit nicer about it too huh? instead of biting plps heads off... the U engine has a lot less power becuse it has less compression, to make it more economical
now...
Valves
overall length - intake - 106.8 mm
- exhasut - 105.1 mm
valve head contacting face angle - 45.5 degrees
valve stem diameter - intake - 8.465 to 8.475mm
- exhaust - 8.455 to 8.470mm
valve stem oil clearance I - 0.025 to 0.055mm
E - 0.03 to 0.06mm
limit - I - 0.08mm
E - 0.10mm
valve head thickness limit - I - 0.5mm
- E - 0.6mm
... this is just a sample, there plenty more if you tell me exactly what you want to know
as for the head, there fuckin tonnes, its not specified in the engine family code, WITZL posted a list of some of the different head types
Wed, 07 May 2003 02:53
