I checked the timing on my 79 300SD using the bubble method. It's 22 BTDC.... not 24. Is it worth the effort to change it? It seems to run ok, but I wouldn't know if it could be better. I live at about 5000 feet. Normally we can get away with an extra coulple of degrees of advance in a gas engine.

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Richard

"Die Schadenfreude ist die reinste Freude"