Thread: 70 Cat 400 MSD ign upgrade
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Old 04-29-2004, 04:09 PM
Goatracer1 Goatracer1 is offline
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Join Date: Oct 2003
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You will not notice any difference unless you now have a problem. The MSD box will help fire plugs that are border line. you could save money by converting you stock distributor to electronic ignition.

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