Valve Clearance Check question

biker1059 said:

I have a couple of questions, How do you get the engine in position to check the valves? Do you rotate the engine using the bottom nut on the crank? and to adjust the valves do you have to remove the cam shafts to replace the shims?

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chriswendy said:

Gear heads, need some advice-- free of course.




Just checked the valve clearance at 23K. Seat is gone so might as well.

Intake
3 2 1
0.12 0.13 0.14 0.14 0.14 0.14

Exhaust
0.20 0.20 0.16 0.17 0.18 0.18

Spec for intake 0.1 to 0.15 Looks OK to me
Spec for exhaust 0.15 to 0.20 #3 on the edge


Recommendations?
As things wear, the valves tighten up right? If it had wires on it I would be more comfortable.
Plug change out while I'm in here?

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gregtharas said:

chris,
I'd run those exhaust on the high side of clearance. the intakes look fine. yes on the plugs,with antisieze.irridium, if you can.


greg

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R34ME said:

biker1059 said:

I have a couple of questions, How do you get the engine in position to check the valves? Do you rotate the engine using the bottom nut on the crank? and to adjust the valves do you have to remove the cam shafts to replace the shims?

Click to expand...

Yes and yes cam cradle and cams must be removed unless you can lay your hands on special tool most dealers have that allows individual valves to be compressed so shim in bucket can be flicked out, good if only one or two needs adjusting, otherwise pluck the cams out and stick a set of nevs in :wink:

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