Great job
I also have a stock a15 and i will be looking at this to get some ideas as to what i will want,but i'm not going for race just street.by change what's the size of valves,ports and pistons.Do you suggest i open the ports on my extractors as well?
Bigger upgrades for 1200.you will need to change to 14 or bigger rims including s13.Some 13 inch rims could fit.
Bolt On Extra-large Brakes for Datsun 1200s -- no fabrication, no welding