Pics of my modded Offy. I had intended using 450 D/P Holleys,but after reading about a guy over on Turboforums who successfully used twin 600 D/P Holleys I've gone that way.He didn't make any major mods to the carbs -blocked secondary HSAB'S,reduced primary HSAB'S,short vent extensions etc,the usual diy mods,and made around 1200 HP on a 427 Chebby. And the 600's are easier to find too.
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