sell..buy a turbo....

i presume you have already done the following:-

reset valve clearences
flushed fuel lines
performed cold air conversion on air box
replaced coil, dixxy cap, rotor arm, leads & plugs
replaced air filter, fuel filter & FPR
removed cleaned and refitted all grounds
removed cleaned and renovated carb
replaced all fuids with synthetics
had car proifessionally crypton tuned
remove cat if present, fitted full 2.5" exhaust with absorbtion boxes
removed head, decoked and reground valves...
fitted headers rather than the stock manafold
gas flowed inlet & outlet ports
replaced shocks & springs
fitted anti-roll bars

after that your into either really fun stuff (stroking the engine etc, bigger carbs etc) or just buy a turbo!