4" for front and rear door with 8" sub on the back and 1" tweeter at each side mirror.
You can find the thermostat on a 1995 Lexus GS300 near the radiator. To locate it, remove the upper hose assembly where it hooks to the radiator.
They have a 80 ltre tank.
It comes off anti clockwise.
I dont know about a 2000 but on my friends 1994 GS300 It is on top of the valvle cover on the left side (passenger) towars the firewall.
Wheel bearings on a 1994 to 1997 Lexus GS300 are pressed into the Hub. The install a wheel take the hub to a machinist so they can safely press the wheel bearing into place. This reinstall the hub onto the vehicle.
Stock speakers should be 4x6's
The stock speakers in a 1994 Chevrolet Corvette coupe measure 4 inches by 6 inches in the kick panel. The pillar speakers measure 5 1/4 inches.
ECT means Electronically Controlled Transmission. I have a 1994 Lexus GS 300 and its located SW of the Drive Gear. Its a black switch the that can be switched to normal or power.
There are screws and hidden screws and proper places to start prying. Get a haynes manual and get some pictures so as to not destroy anything unecessarily.
3-1/2"
you will have to cut out new holes but im sure it can be done
Undo the crankshaft pulley bolt { anti clockwise } Then you will need a good strong puller to remove it. or try to move it by tapping the back of if fairly hard until it comes off.