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-   -   Help, mercruiser wont rev (https://www.offshoreonly.com/forums/general-q/337132-help-mercruiser-wont-rev.html)

Ta12sec 05-21-2016 06:11 PM
Are these drop in units? One wire hook up like a gm hei?

sprink58 05-21-2016 09:58 PM
Originally Posted by Ta12sec (Post 4441713)
Are these drop in units? One wire hook up like a gm hei?
Yep...one wire. DUI's are HEI's modified for marine use. I've been running in my '79 255 Liberator with 400+ HP Vortec/Bravo's for 3 years...no issues.

http://performancedistributors.com/p...-distributors/

Takes ignition issues out of the equation.

79formula 05-22-2016 10:04 PM
I also run a DUI on my 525sc. Its a few years old now. No issues.

Originally Posted by sprink58 (Post 4441777)
Yep...one wire. DUI's are HEI's modified for marine use. I've been running in my '79 255 Liberator with 400+ HP Vortec/Bravo's for 3 years...no issues.

http://performancedistributors.com/p...-distributors/

Takes ignition issues out of the equation.


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