Posted by LOU from Wi on December 03, 2009 at 01:00:48 from (174.124.84.159):
In Reply to: Autolite sparkplugs posted by dave2 on December 02, 2009 at 23:57:21:
Hey Dave. Some time back I said on this forum to take a Volt Ohm Meter (Set on Continuity)place one probe on the top of plug-other probe on the contact comming through the plug NOT THE BENT GROUND but the stem. You will find a considerable drop in readings, Some more then others. I have always went through this proceedure when getting new plugs. Always put the less resistance plugs to the farthest plugs in the engine. Weakest readings ones to center of the engine,Results are great. Found even new plugs dead from the box.(No readings on meter) Took em back to supplier and showed them the difference. First they didn"t believe me but when they went back and pulled another new plug from the shelf then the point was proven. I also would look inside the distributor ,bet you will find rotor button coroded and also the contact points in the distributor as well. Those can be cleaned(lightly sanded with crocus cloth. We also bought a sparkplug sand cleaner (air driven) from J.C Whitney. Use it in conjunction with the meter as time goes on with the usage of the vehicles so we can get more usage from the plugs. Works for us. 6 trucks 2 tractors several lawn mowers & 1 Yard vac.(no partrige in a pear tree) lol. Almost forgot the O.C.46 crawler comming in soon. Just a good suggestion from LOU
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