The neck of the fuel tank, by the way, is conveniently located above the rear bumper strictly in the center, covered by a shield to which the number of the American dimension was attached.
The weak point of the LT1 motor is Optispark’s proprietary GM technology, which was also used on the LT4 and LT99 engines. Because of it, our Fleetwood once (the only one staying in the property of the current owner) failed to start and had to ride on a tow truck …
Optispark is a small box with a rotating shaft. It is mounted on the front of the engine, under the antifreeze pump, driven directly from the motor and combines an optical (like a computer mouse) crankshaft position sensor and a high voltage distributor for the cylinders. Continue reading