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Old 11-08-2005, 10:11 PM   #1
Italian LX
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Join Date: Dec 2004
Location: Oxford, AL
Posts: 11,551
Question ATTN: Anyone with MSD-type RPM Modules

I've looked all over on the web and can't seem to find a cross-reference for the resistance value of each RPM module.

I have the 3000 series and a couple of the 6000 series and was able to measure the resistance with an ohm meter, but I need to know all the other series resistances.

What I have found is that it seems like the values are linear within a particular series (ie. the 3000 sries are all seperated by 160ohms); however, it doesn't appear that they are linear across the entire range. The modules I have go from 1890ohms (3000rpm) to 2530ohms (3800rpm), but the 6000rpm module measures 4570ohms which doesn't graph out linearly.

The bottom line is, if you have any RPM modules and access to an ohm meter, I would realy appreciate feedback as to what the resistance value is for each of the ones you have.

Thanks.
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