OK. Thank god I am such a cheap skate that I held off on ordering headers. I just noticed something kinda important. I was all set on the Hedman full length headers for my big block. Then I happen to notice (thanks to summit) the cylinder head port shape is ROUND. Guess what shape I need? SQUARE. All the headers I looked at on Summit are round. Anyone know anybody that makes square port headers for a K5 with a big block? I have the set that came off the camaro but I don't think they're going to fit unfortunately. I may have to come up with a way to make them fit from the looks of it. Trying desparately to avoid custom headers (see first complete sentence in post) and trying to keep it under 250-300 bucks. helllllllp..