Do the Merc 300R and 450 and 500 engines have the small end of the connecting rods bushed for a floating pin? Thanks for any info, RM

should be able to get 800hp out of the 500 what are guys doing ?for racing only of course a pair of headers and a few tweeks to the computer should really wake them up and sound much better stock they sound like the little fart can cars every city has