There is no such engine as a 350 magnum
The thermostat on a Chevy 350 is under the housing at the engine end of the upper radiator hose.The thermostat on a Chevy 350 is under the housing at the engine end of the upper radiator hose.
A leaking radiator hose would NOT cause this to happen, you have 2 problems with this vehicle.
Go to the parts store and tell them what year vehicle you have and the make and engine size and they will have the proper radiator cap for you.
Excessive internal engine wear (bad rings)
The 1981 Chevy Malibu 350 engine thermostat is located on the front of the engine. You can follow the water supply hose from the radiator to the thermostat.
Yes. The exhaust is different, and you'll need a bigger radiator.
Could be, A very high mileage/worn out engine, The PCV system not in working order,
Just follow the top radiator hose to were it clamps onto the engine, That will be the thernostat housing, just remove that housing and it will be right there. You will need to drain engine coolant first. MAKE SURE ENGINE IS COLD. That is if the engine is a 5.7L 350. If it is something other then a 5.7L 350. Then the thermostat will be were the lower radiator hose clamps onto the engine, That will be the thermostat housing, remove it. If it is a V6 engine then it will be at the end of the top hose, just like the 350 engine.
No, an exhaust leak would have nothing to do with your engine timing.
on top of the engine, towards the front to the left of where the tube from the radiator goes in.