I concur completely...The big thing I noticed that after the adjustment the car started up perfectly whereas before I had to crank and crank (bad glow plug) before it would run....

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83 300CDTurbo 307,000
2005 Honda Element 266,000
56 Nash Ambassador Country Club Special 34,000(under restoration presently)

http://www.peachparts.com/shopforum/showthread.php?t=125099