 Capacitive Discharge Ignition, Any benifits to using the MSD system? |
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| Driver174 |
 Aug 1 2018, 04:45 PM
Post
#21
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Member  Group: Members Posts: 106 Joined: 2-February 17 From: Nevada Member No.: 20,806 Region Association: None 
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QUOTE(Mark Henry @ Jul 30 2018, 09:20 PM)  Yes and no (IMG:style_emoticons/default/biggrin.gif) In your case the with the much higher than stock CR it very likely helps. Stock or stockish CR would be debatable. With that CR you definitely need high octane race gas and/or twinplug. I'll accept that I will likely not benifit by going to a CDI/Multi-Spark system. However I do not understand the statement regarding high compression ratio and needing a twinplug head. Its a race engine in a race car, so running race fuel (adequate octane rating and probably leaded fuel) is not an issue other than the added expense. How does having two spark plugs help the Type IV with higher CR's and/or lower anti-knock fuel? |
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