500efi installing blowers
07-31-2016, 08:22 PM
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500efi installing blowers
Hey guys just wondering your thoughts on putting blower shop 250 kits on my 500efi motors and going to single dominators. I have a line on a cheap set of brand new blower shop 250 kits. Just wondering what are your thoughts and what all it will require for the swap. Thanks
11-28-2016, 12:07 AM
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I did it adding Whipples to my 500 efis. If you're running Bravo sterndrives, regardless of Bravo model: XR, IMCO lower, etc. you'll puke them in short order. Mine with the Whipples were app. 690 HP on the dyno at 7 lbs of boost. To get to the right props, gear ratio was changed from 1.5 to 1.36. Chief Performance (Tommy) assembled mine.
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