I believe the Chevy small block is the best bet for ease of change over and the
cheapest.
A computer from a 1992 Wrangler with the same engine is what is compatible.
Look on the drivers side front of the engine compartment
Heater works fine in my Wrangler! Check the thermostat or the hoses or heater core might be plugged. The thermostat is easiest ^ cheapest to change so start there.
It is under the housing that the upper radiator hose hooks to on the engine.
YES, The 1992 Jeep Wrangler 2.5 liter engine (4 Cylinder) Does have a timing chain. I just finished a rebuild of My 2.5 and it does in fact have a Chain.
voltage reulater is usually a built in part of the alternator. if not in alternator it will be on the fire wall On a 1992 it is part of the engine computer.
They didn't make a 1996 Wrangler...
no
No.
antifreeze (Water) pouring down the front of the engine is from the water pump.
it will fit no problem
yes