Quote:
Originally posted by Ho Hum 74
I think I understand what you are saying. Let me repeat back what I heard:
At TDC (where you adjust the valves), instead of using a feeler gauge, you use a dial gauge to dial in 2mm (or 1.5mm depending on the valve). Then you turn the engine over. The theory being that at it's worst case there should still be enough clearance to turn the engine.
Sounds pretty good, I'll give it a try.
Tristan
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Not quite - you can't turn the screw down with a dial gauge in the way. However, the thread pitch of the adjuster screw is 1mm; ie, a 360 degree turn of the screw will result in 1mm of travel. So, you can use this as a guide in determining how far to turn the screw down. If I was dealing with a modified engine, I wouldn't start out right at 1.5mm, I'd work up to it from 0.0mm of pre-lift.
On my high-compression motor, I did hit resistance at a certain measurement. Be sure to turn the motor over super-duper slowly and carefully when you are coming on and going off cam.