I imagine if a tip breaks off I'll be in pretty deep poop, eh? Are we talking trashed pistons here? Damn, I really thought since all the talk about Monark injectors that their glowplugs would have been of similar quality/standing.

Anyway, maybe my injectors are a bit tired, but the change was pretty dramatic at the time of valve adjustment and I've been able to verify I screwed it up and went way too loose as a result of my methodology, so I'm betting that's it more than anything else in regards to my starting performance. Prior to the adjustment, I had started it @ -5F, no block heater. It cranked slow at that temp but took less than 10 seconds of cranking to catch and run on it's own. Today I'm getting that same performance @ 15F.

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Own:
1970 Mercedes 250c, 1976 International Scout II, 1982 Mercedes 240d, 1997 Honda Accord Wagon, 1998 Acura Integra Type-R, 2009 Mazda5.
Owned:
1974 International 100 pickup, 1975 International Scout II, 1981 Mercedes 240d, 1985 Mercedes 300SD, 1988 Honda Accord, 1988 Ford Thunderbird, 1991 Honda Accord, 1996 Geo Metro, 1996 Ford F150, 1996 Dodge Grand Caravan, 1997 Honda Accord, 2003 Acura TL-S, 2003 Yamaha V-star.