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Icon IC687 piston. Look at that one. S/F....Ken M

I'd spend double on stock cam before I'd ever use those flexi-flyer stamped rocker arms. Why get crazy with big lift and long duration cams (and the required springs) then give it all back with deflection? S/F....Ken M

Add some headers, and call Cope or someone for a decent torque converter(this is the big one). Get a timing light and learn how to read plugs or maybe find some one with an LM-2 or other fuel/air sensor setup. The performer rpm and holley 750 are fine for your intended goals. S/F....Ken M

What ignition system are you using? What's your timing? How much do you pull out when you start the nitrous? What nitrous and fuel jets? S/F....Ken M

What are you doing with this engine? As in, what's the purpose? I wouldn't put any effort into the short block at your budget level because, frankly, you don't have the budget to do anything meaningful unless you get free labor at a machine shop. I'd focus on getting flow from the heads...

What's cranking compression? S/F....Ken M

Pushrod clearance, sufficient valve spring pressure and retainer to rocker arm clearance are things that need to be checked also. S/F....Ken M

Man, I think there's a lot of independent variables that are being ignored or minimized for this conversation. HP is more valuable than torque for racing. That high torque engine will be useful for a truck. Hence diesels over gassers. There are all sorts of limitations that affect your...