555 - 898 hp on pump gas
 

don't have all the details yet, ..

but a customer built a 555 pump gas engine, made 898 on an honest dyno, .
rfd 24º heads, super vic intake, ..

http://speedtalk.com/forum/viewtopic...=202545#202545

also have a 605 in Australia that made 900+ same combo, ..

curtis

Outstanding! I also run big inch pump gas motors and Iam just a bracket racer without a dyno. I want to make my 565 run like that on pump gas! Would that cam be hard on valves springs??

:D :D .....sweet....