[Manowar]

That is on a 9.5 deck Man O'War (Not an OE 351) w/two 500 cfm Eddies.
Sorry those MSD are all we use and have not tested the OE large-cap distributors.
Of course it's only a brief dyno test (8 pulls plus run-in) and not road miles but they idled beautifully with no changes and made 12.5 A/F's all the way to the top. Made 10 less HP but 15 more lb-ft than our normal 870 single plane combination.
Hope that helps.