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Originally Posted by wolfthing2000
Okay, so this sounds like the same crank 'type' that my engine machinist is getting me. The 993 heads will have same valve size as yours when finished, 76 cc chamber.
Would you guess 400 hp without the nitrous??
Wolfthing
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Yeah, it's just a cast crank nothing special. You can get a cast Eagle or Scat crank for under $200. 400hp? do you mean mine or yours? I probably do have around 400hp. With the 993 heads I doubt you would ever see 400hp. I wouldn't put a lot of money in those heads for performance. You would be better off with aftermarket heads or even vortec heads. I found some flow numbers for the 993 heads. Check it out.
Lift/int/exh
.100"/51cfm/38cfm
.150"/76cfm/55cfm
.200"/104cfm/71cfm
.250"/130cfm/88cfm
.300"/155cfm/99cfm
.350"/175cfm/109cfm
.400"/184cfm/113cfm
.450"/185cfm/119cfm
.500"/186cfm/122cfm