well i have powerheads with 1.60 exhaust,1.90 intake. and am hopefully putting an edlebrock performer intake 65mm TB 75mm MAF and 1.7 RR and full exhaust. so I was thinkin about the B cam, I only want to spend about 200 or max at 250, I want a good lobe at idle and pull form 1500-6000 or around...