Piston rings

doctorcorey · Mar 26, 2006

I'm looking for specs for piston ring end gap, side gap, and con-rod big-end side clearance for the 96 Fe-600. I'm upgrading cam-chain and decided to check some things as long as the wrenches are out. 8) 8) thanks, DC

LINEAWEAVER · Mar 26, 2006

As new:

Ring End Gap = .008"
Ring - Piston = .002"
Piston / Cylinder clearance = .003"

Big End side clearance is in the range of .030" depending on how the crankshaft axial end float was originally set.

No perceptible vertical rod movement. (ie .0005")

Dale

doctorcorey · Mar 27, 2006

8) Thanks for the input, Dale. Hey, by the way, can you tell me what the side clearance spec is for the drive chain rollers? :roll: P.S. I wanted to add a real question: Is there a better cam sprocket bolt available for this application. I don't recall any mention of one in my readings on UHE. I'm actually not sure anymore of the proper torque for cam sprocket bolts. Thanx again. DC 8)

LINEAWEAVER · Mar 27, 2006

The OEM cam sprocket bolts are shouldered and quite hard. Late model bolts have a larger hex drive which reduces the tendency to round off. Said bolts are short as they are intended to be used with a steel cam sprocket.

Torque is 25 lb / ft.

Dale

doctorcorey · Mar 27, 2006

LINEAWEAVER said:
The OEM cam sprocket bolts are shouldered and quite hard. Late model bolts have a larger hex drive which reduces the tendency to round off. Said bolts are short as they are intended to be used with a steel cam sprocket.

Torque is 25 lb / ft.

Dale

Good advice, indeed. I thought 50ft/lb was a little high! Hey, if a little is good....................DC

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Piston rings

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