Originally Posted by Kingkenny383
I figure it's time to switch to a bbc. I'd like about 10:1, Dart 9.8 Big M,brodix 2xtra heads, and so on. My first question is how many ci can you get out of the 9.8 deck dart. I'd like a 598 4.5x4.6 with a 6.535+ rod, and flat top pistons, is that possible with the 9.8 deck?
If you want to go big build a 582 4.375 x 4.600 Either way you dont have enough head IMO so a smaller motor might be a better option 4.25 x4.560 to make a 555.