ok, the car was overheating so i didnt have a chance to really feel it, got the new hoses,etc and thermostat, everything is good so far...

now, im driving it hard , and the car really lags till aout 6500rpm and i dont know why, really bad..........i continued driving it tho for about 2hrs tonight, and as time went on it did get a little faster, now im just sceptical, what could this be?
thanks !

-93 Si HATCH

 

do a compression test

 

do the comp test...... otherwise check ur plugs and wiring and distrib