New stiffer shocks, replace bushes with poly ones.
Exhaust helps torque a bit and response alot making it super responsive, get a high flow air filter, new plugs, leads, dizzy cap, rotor button, advance the timing, run 98 octane fuel. Get a 4.1 diff ratio from an auto model, that will make the biggest difference to acceleration.
Ive done the above to mine, makes a very noticable differenceover stock.