crx si
 

Ummm.....

if i got a 90-91 si how fast stock would it run in the 1/4 mile. manual

i want it to do at least 14-15 sec

I think a stock SI will run very high 16's, low 17's

intake headers..exhaust..camshaft and cam gear with the timing advanced u might hit 15's (mid...low) ?