i have a 10-30 in it right now... it was the relief valve causing the high pressure..i fixed that and now it runs 45 or so hot idle and 60 at higher rpm..here is a video i made today..

link.. http://s202.photobucket.com/user/rcplumley/media/51%20chevy%20project/MVI_8742.mp4.html

if you cant run with the big dogs...then stay on the porch

http://s202.photobucket.com/user/rcplumley/library/