Him more so than me, but we were both scratching our heads for a few hours today... oh well its good for us though right? BTW, its still working and shes got her car back, so all is well in the movie Dawn of the Dart so far.

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1984 D100 Shorty Custom
Certified Auto Appraiser - RevItUp Classic Appraisals
President - Cherry City Bombers CC
Part of Tyrde-Browne Racing

So how is the GM HEI working compared to the 74 ECU?
Is there any difference in power?
or in idle quality?

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Aggressive Ted

http://cid-32f1e50ddb40a03c.photos.live ... %20Swinger


74 Swinger, 9.5 comp 254/.435 lift cam, 904, ram air, electric fans, 2.5" HP2 & FM70 ex, 1920 Holley#56jet, 2.76 8 3/4 Sure-Grip, 26" tires, 25+MPG

Ted -
Love to be able to tell you, but the HEI module/coil assembly we have never quite panned out, not sure if the unit was defective or if the wiring was messed up somehow.. for now we've just got the stock-style ECU installed. I'm not sure whether I'll give the GM HEI another try or not, for now we have enough to work on without worrying about it..

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<i>D'Artagnan</i>
<img src="http://img.photobucket.com/albums/v432/stephaniexchaos/dart/th_IMG_0326_zpsumhhfxi0.jpg">

They actually started with a 1976 OEM ECU, and when I suspected that, they got a 'Made in the USA', slightly used aftermarket ECU....

-D.Idiot