heads and intake manifold

hey guys i am building a 1.3 lx for speedway in oz and i was just woundering would a nissan sr20 n/a head fit onto the micra any1 got any tips and hints i could use to make the motor go a lil harder i am racing against a 2004 ford focus with a cosworth racing motor :( so i am a lil behind the 8 ball
 
cosworth focus.....hmmm forget the sr20 head and just slap a whole sr20 in there and then turbo it if you want to stand a chance
 
personaly bud i would get a faster car, the money you will spend makeing a micra keep up with it never mind winning would be silly, james t/nis has spent enough to make you cry and i think its running 200bhp or near abouts, finachaly it would be wise looking at a diffrent car

but all the best with the choice you make :grinning:
 
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