Re: [Chrysler300] Advance Spring Set
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Re: [Chrysler300] Advance Spring Set

Hi Paul,
Sounds like you distributor is set up properly. Remember that the distributor is turning at half engine speed, your 500 would be 1000 at the crank. The mechanical advance actually starts at 475 distributor RPM's. The full advance does not come in until 2,400 distributor RPM's. The heavy spring isn't designed to work at lower RPM. Wear points in these units is usually where the points cam and mechanical advance pivots on the main shaft. Usually due to lack of lube. The main shaft bushings are usually good. The bearing in the advance plate could use some lube now and then too. The tack drive shaft should also get a few drops of oil. If they run dry, they will ruin the housing. 
Don Verity
Snowing again in RI  
  ----- Original Message ----- 
  From: Paul Weihl 
  To: Chrysler300@xxxxxxxxxxxxxxx 
  Sent: Tuesday, February 03, 2009 2:03 PM
  Subject: [Chrysler300] Advance Spring Set

  I have my distributor out from my 61G. It appears that the mechanical advance is opening much too early when turning the distributor shaft with a battery drill, like about 500 rpm or less. Looking at the springs to the governor, the light spring has tension but the heavy spring is loose and has no tension and the spring appears to be expanded too much. Someone before me must of made some changes. I have been searching the web for replacement springs, but without any luck. The parts catalog shows p/n 2084-866 for the the spring set used in the IBS-4011 distributor. The other models cars have a different distributor number and different p/n for their spring set. Does anyone know of a source for these springs or a replacement set of springs? Thanks.


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