djm2475

Hello, im putting together a 383 with some left over parts....gm 4bolt block,callies crank,scat rods,probe flat top pistons,dart iron eagles 230 with 49cc 2.08intake 1.6 rockers( i know the heads are largebut i have them) super victor intake 830 holley(heads&intake have minor but good porting also set up for flat tappet cam) Now for the big question i have two cams.... !st one
int dur 287 exh dur 301.....dur at 0.50 int 256 exh 265.... lobe 108.8
valve lift int 550 exh 564..........2nd one is a lunati 40119 no card handy..
which should i use? 2800lb car with 4.11 gears powerglide w brake...
maybe someone has a desk top dyno and would not mindplugs some numbers for me!!!!

kenSS

iTrader: (1)

I would go with the first one. I had a 383 similar to this and it made 540hp at the crank on pump gas. My heads were 220 also. 49cc seems like a really small CC

djm2475

if you dont mind what cam did you run in yours

kenSS

iTrader: (1)

it was a .255/.260 at .050 and .555 lift. on a 106 lobe sep.