Buy the JTR manual in this article>
http://www.hotrod.com/techarticles/72738/
I have 400SBC in mine, check pics here>
http://www.automotiveforums.com/vbul...d.php?t=498078
as we should know the 400 is prone to overheating because coolant does not flow between the cylinders(siamese cylinders)
I use the copper corvette radiator and has never even wanted to overheat(90deg day in stop and go traffic)