Mercury HP 500
#1
Brotherhood #1
Gold Member
Thread Starter
Mercury HP 500
496 tall deck, 427 tall deck gm block unknown hours bought with a project, 800
cfm Holley carb, single plane intake made 500 hp, merc valve covers off early
merc racing motor square port heads, roller rockers
3000
cfm Holley carb, single plane intake made 500 hp, merc valve covers off early
merc racing motor square port heads, roller rockers
3000