Is the security light flashing? Sounds like you have the wrong key or there is a problem with the theft-loc ignition key system
it would be the best to buy a new starter
fuel pressure regulator located top of motor
That would be the Arabian desert.
A 4L60E would not fit on a 91 Silverado because of the different dimensions.
it needs to be recharged
No, There would not be a 4500 version of Silverado.
That would be the second plug on the passenger side of the engine from the front.
you would have to count 5.78703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703703... numbers every second
it could but it would be a whole different shape
A barrel roll.
yes, as long as it has the same box syle body like an 84 silverado would have.
My 92 Silverado right front brake sticking why