9 to 13 LBS.
It is on the right top side of the throttle body, standing in front of engine.
Yes, the last year for throttle body injection for Chevy was in 1995, I believe.
No with much ease. The 95 engine is electronically controlled, and won't be compatible with a 1991 vehicle.
Throttle body spacers increase the air volume between the engine and the throttle body.
It is located in the throttle body.
Assuming that is throttle body fuel injection, 41 to 47 psi.
Yes. The engine first appeared in 1985 with the throttle-body injected LB4 in passenger cars (light trucks and vans had carburetors until 1987).
The only sensors that I am aware of on the throttle body is the throttle position sensor.
The throttle body is your carburetor in some vehicles. It is located on the top of the engine.
Follow the big engine air intake tube from your engine air filter to the engine throttle body
Top of the throttle body
The big rubber engine air intake tube will go from the engine air filter to the engine throttle body