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ZAIRKUHL
Samba Member
Joined: September 12, 2004
Posts: 33
Location: HUDSON VALLEY, NY
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 Posted: Wed Oct 22, 2014 10:11 am Post subject: Magna Spark II distributor. |
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| Just recently purchased a new Magna Spark distributor from CB Preformance. Included in the box is the "Advance Kit"; a small zip lock bag containing additional springs, bushings, the O-ring for the end of the distributor shaft and three ultra thin washers or, perhaps, spacers. Can anyone inform me as to the purpose of these three washes/spacers? Thanks. |
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theDrew
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Joined: May 17, 2011
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Location: Camas, WA
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Glenn 
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Joined: December 25, 2001
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| Posted: Wed Oct 22, 2014 11:11 am Post subject: |
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| theDrew wrote: |
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1-800-274-8337
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74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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Steve Arndt
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Joined: August 01, 2005
Posts: 1780
Location: Boise, Idaho
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| Posted: Wed Oct 22, 2014 11:21 am Post subject: |
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The kit comes with very detailed instructions.
The stronger (they word it as heavier) springs reduce the rate of advance.
The larger spacers limit the total advance.
I have the medium rate in mine, and set the advance limits to provide 10 degrees idle and 30 total for my low compression (9.5:1) 2275 engine.
You can't just go off their chart for total advance bushings/spacers vs actual advance. They don't jive. It takes guess and check methods and a good timing light/degree pulley. |
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ZAIRKUHL
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Joined: September 12, 2004
Posts: 33
Location: HUDSON VALLEY, NY
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| Posted: Wed Oct 22, 2014 1:55 pm Post subject: |
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Thanks for the replies. I understand how to set up a desired advance with the provided springs and bushing. My apologies if I didn't make myself clear. I've included an image of the contents of the "Advance kit" I received with the distributor.
My question is "What are the three thin washer/spacers in the lower right of the image for?". Thanks again. |
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MURZI
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Joined: August 25, 2005
Posts: 5063
Location: Madisonville, La
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| Posted: Wed Oct 22, 2014 2:10 pm Post subject: |
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Adjusting distributor drive end play (distributor engagement depth)
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ZAIRKUHL
Samba Member
Joined: September 12, 2004
Posts: 33
Location: HUDSON VALLEY, NY
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| Posted: Thu Oct 23, 2014 4:11 am Post subject: |
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| Again, thanks to all for the replies. Any suggestions on the starting point for setting the end play? Thank you. |
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vugbug68
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Joined: June 25, 2006
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Location: sacramento
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| Posted: Thu Oct 23, 2014 6:25 pm Post subject: |
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| ZAIRKUHL wrote: |
| Again, thanks to all for the replies. Any suggestions on the starting point for setting the end play? Thank you. |
I have read .010" on here but I cant find the post. Its strange that there is no spec for that in the Bentley manual.
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