exhaust and intake. that is a rule of thumb for most cars though. the better they can breathe, the better off they are. other then that tercel's were never designed to be performance vehicles anyway. there are many ways to add horsepower though. personaly the 3e is in my opinion a waste of time. i did a 4efte swap into a 91 and was very pleased with the finsihed product. i would do an engine swap with one that has alot more support for things like this. the 3e isn't going to give you much of that.
The spark plug gap for a 1990 Toyota Tercel 1.5 liter 1BL 4-cylinder is .044 in thousandths of an inch. The 1990 Tercel gets 30 mpg in the city, and 36 mpg on the highway.
Try google
The Spark Plug Gap.044 (In thousandths of an inch)
On my '91 it's below the thermostat.
On the 1990 hatchback model, it is behind the right side panel under the hatch.
a stock 1990 Toyota celica gts has 130 horses
It is usually located on the brake pedal itself approximately halfway up
Toyota tercel,canry timing markif it have a 2.0 engine sfe the timing mark is on the crankshaft balancer,which must be line up with the timing belt cover,timing mark.also the camshaft pulley there is a mark on it,that must be line up with with the mark on the back boardof the pulley.now you got it.most Toyota time the same way.
The 2.0L 4 cyl engine has 115 hp and the 2.5L V6 has 156 hp.
Check fuel pump pressure Possible bad fuel pump
A 1990 LS400 has 250 horsepower as rated by the factory.
225 horsepower