Quote Originally Posted by steve88crx
i have a 355ci just got some dart iron eagle platinum 215 heads with 2.05 1.60 valves. holley street dominator intake 1" open carb spacer holley 650dp eagle cast crank stock rods flatop pistons 4 valve reliefs 1.5 roller rockers 1 5/8 headman long tube headers 488/510 lift cam 234/244 duration at .50 114 lsa. turbo 400 3500 stall B@m shift kit 3.73 gears. any guesses on power and compression not zero decked looking to run low 12's in my 3200# 87 camaro. thinking about geting a newer cam. thanks oh and do i need to get longer pushrods
You have some mismatched components which are going to keep you from realizing your engine's full potential. First of all, those 215 heads are way too big which will cause you to lose lower end and some mid-range torque. There just is not enough cam to utilize that much breathing. And if you go to a bigger cam that would work with those heads, you do not have enough compression to effectively make the big cam work. I would sell those Dart heads and go for the new AFR heads if I were you. Go here and check out the 450 hp 355 sbc: http://airflowresearch.com/chevy_dyno.php. Now that is the kind of matching components you should be looking for. And that engine should give you the kind of performance you desire.