I had a 600 edelbrock on my 292. No problems. I could put it to the floor and pull a hill in 3rd from almost a dead stop. Twisted 6 had a 600 holley on a 250...all he ever told me was "It ran a little rich, but it ran fine" lol


1966 C10 292/tko600 http://67-72chevytrucks.com/vboard/showthread.php?t=596643
1964 C20 292/sm420