On top of the intake manifold beneath the air filter
It is throttle body fuel injected.
it should be on the side of your tranny towards the tail end
No, the throttle body and multi port heads are not interchangeable.No, the throttle body and multi port heads are not interchangeable.
If the engine size is the same, probably
The 87 will bolt in to the 77 however, the 87 is throttle body fuel injected. You will have to convert the 77 over to except throttle body fuel injection perhaps with parts from a donor truck.
on the back of the throttle body or intake port.
heads
290 stock horsepower
87 octane
This would not be a direct swap.......adapters and computer change is inevitable!
yes it can, I have installed a 95 3.0 in my 87 Pathfinder, I changed out the fuel injection to the throttle body and it runs fine, just needing to do a little adjusting and tuning here and there.
Look for an intake manifold leaking at a cracked or disconnected hose or one of the gaskets to the cylinder head or throttle body.