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  #1  
Old 08-01-2006, 08:54 AM
WANT '71 280SEL's Avatar
I'll Go Upside Your Head!
 
Join Date: Jan 2003
Location: Dallas, TX
Posts: 3,378
230S point gap?

Good morning ladies and gentlemen,
Yesterday I received my new set of points. My uncle explained how I to install them and set the gap, but I don't know what gap to set them at. We don't have a dwell meter so I will have to bump the engine around to get the highest separation, then measure. I did a search and saw one figure at .30mm for a 1970 280SE. I didn't know if mine would be the same or not. I only have standard feeler gages BTW.

Thanks
David

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2000 Honda Accord V6 137k miles

1972 300SEL 4.5 98k miles

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  #2  
Old 08-01-2006, 10:56 AM
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David:

The correct point gap is 0.3mm to 0.4 mm. If you can find a cheap dwell meter it would be a good investment. Dwell is 38 degrees, (+3 degrees, -1 degree, in other words, a setting of 37 degrees to 41 degrees is within specs).

Your feeler gauges should have dual markings for inches/mm, if it does not, get one at Sears. But, you should get a workable dwell in the range show above by using feeler gauges between 0.012 and 0.016 inch.

230/8
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  #3  
Old 08-01-2006, 12:39 PM
rg2098's Avatar
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Location: Rochester Hills, MI
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Personally I would have ditched the points and invested in a Pertronix unit. Much easier to install and much more reliable with no modification to the vehicle needed, unlike the Crane. Sorry David I don't have any tech advice to add here.
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  #4  
Old 08-01-2006, 03:37 PM
WANT '71 280SEL's Avatar
I'll Go Upside Your Head!
 
Join Date: Jan 2003
Location: Dallas, TX
Posts: 3,378
I have yet to hear this car run Adam, and besides that, I am broke but would one day like to upgrade but there are more urgent things needed for this car.

Thanks for the info 230/8.

Thanks
David
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2000 Honda Accord V6 137k miles

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  #5  
Old 08-01-2006, 10:52 PM
djd djd is offline
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Join Date: Apr 2005
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Dwell Meter

It's difficult to set the gap using feeler gages. You usually end up setting them wider then they need to be. Maybe you can get a meter on loan from one of your local auto parts stores? In our area, you put down a security deposit and then get your money back when you return the tool. They loan out meters, spring compressors, compression gauges, vacuum gages, all sorts of things.
Good luck.
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  #6  
Old 08-02-2006, 12:56 AM
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Join Date: May 2001
Location: Northern Va.
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I think you can take a matchbook cover and set the points. Dwell on my 220S is about 40 degrees and that's pretty close. I'm investigating a Crane 700 upgrade. I may wait for a later upgrade I have planned.
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Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.
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  #7  
Old 08-02-2006, 02:21 AM
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Location: Alexandria, Virginia
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Don't forget to put a tiny dab of high tempurature grease on the distributor cam.

Happy Motoring, Mark

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