D15B2 Build/Help

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I'm building a circle track car. The class rules are SOHC and stock.... looking....

Its a 90 Civic DX with a D15B2 5spd.

I've already chosen to switch to a 5spd SI trans from a 90 CRX SI.

What I want to know now is how can make this thing get more power!!!

I have access to an D16A6 head/cam and am wondering if that will bolt up and make any more power?

Any other suggestions on getting more power out of this motor?

Thanks in advanced!
 
the D15B2 and D16A6 heads themselves are the same - only the camshafts are different - is the engine still DPFI? can you convert it to MPFI under the rules? that would give you a little more power, but not much
 
Is the A6 camshaft going to give me any advantage then? I could convert it to MPFI, but I'm having trouble locating the parts and wiring harness to do so.
 
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