any suggestions??

 

OUch, ok, that cam is WWAAAAYYY too small and that carb is WWAAAYYY too big. Demons flow ratings are wet flow, where as holley and edelbrock's are air flow. So an 850 demon flows like 1000 CFM or more. Sell it. You need a 650 Mighty Demon. Get a comp XE284H (or something similar) for it. You'll love it. You will more than likely need to bore the blcok as it more than likely has a wear ridge at the top of the bore. If so, I'd say just bore it .030 over, so you will need Part number B16422EA030. Like I said before, this is the cheapest way to stroke your motor. You need to take my advice that I just gave you about carb and cam too because with that cam and carb, youll flood the holy crap out of it and the cam just plain sucks. Its only one step above a stock cam, and it would be pointless to put on those heads or any of the other parts for that matter if you dont go with a cam bigger than that performer. Right now, all of your parts are VERY mismatched and will perform VERY POORLY together. Some things wont work at all, like those heads with stock pistons.