what should i get with this new combo 468 block trwl2465f 60.over piston 25.77cc , gm perf. 12363390 heads oval ports 110 /290 . comp. flat tappet hyd.cam in. 224 ex230/ 515/ 520 cam .4speed power breaks 1970 chevelle 3.55 rear 750 holley dp.eddy performer intake
. also should i get the msd box,coil and dis. or just go with good hei part number 88961867 whats used on the zz502 i think. am sure it will run 10.5 with the aluminum heads. i want this to be a fun street car pump gas. thank you iam hopping 540 tor. @3900rpm, 500 hp @5000 rpm.

if your really going to have 10.5 comp , then i go with a bigger cam to reach your goal. have to watch p/v clearence though. jmo

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