[diesel_mercedes] newbie valve adjustment questions

 

Hello all

My understanding is that intake valves should have .004 inch clearance and exhaust valves .012 inch clearance (1978 300D)

Two questions:
1. can intake valves being under .002 inch ( I do not have a .001 gauge)
and exhaust valves being over .014 inch cause overheating?

2. Can the adjustment be made when the cam is not STRAIGHT UP ?
I am using the starter to rotate the engine.

thank you
Rodger

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[diesel_mercedes] Fuel Milage Check 1984 300CD Auto W/ AC

 

Pretty much constant AC use this tank .

317 miles , 22.4 MPG

$3.979 / Gal.

-Nate

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