What kind of engine does a Toyota 20r-22r use?
All Toyota 20R – 22R – 22RE engines use the same crankshaft and connecting rods. To accommodate the different deck heights, Toyota changed the compression height (piston pin location).
How to replace a head gasket on a 1987 Toyota pick up?
Rotate camshaft to position alignment pin away from cylinder head. Install cylinder head rear cover, engine hangers and ground straps. Install intake manifold, EGR valve and exhaust manifold. Apply a suitable sealer to where timing cover and front of engine block intersect, then install a new cylinder head gasket.
How to change the compression stroke on a Toyota mini?
Turn the engine to TDC so that both valves on number one cylinder are closed and note which two valves are open. Turn engine 180 degrees. 36. Completely back off the adjustment of the two valves you noted in the previous step. 37. Turn the engine 180 degrees to TDC #1 cylinder, compression stroke.
How to replace exhaust manifold in Toyota mini?
19. Cut the tape holding the ECM wiring harness to the plastic mount on the heater control valve and remove the 3 heater hoses and heater control valve. 20. Remove the exhaust manifold shield. 21.
What kind of engine does a Toyota 22R have?
The 22R engine features a cast-iron block and aluminum cylinder head with the single overhead camshaft (SOHC) and two valves per cylinder (8 in total). Compression ratio rating is 9.0:1. Cylinder bore and piston stroke are 92.0 mm (3.62 in) and 89.0 mm (3.5 in), respectively. The Toyota 22R engine has a carburetor fuel system…
When did Toyota change timing chain on 22R engine?
In 1983, Toyota swapped the dual-row timing chain used in older 22R engines for a single-row chain with plastic guides. In 1985, the 22R engine was redesigned, many parts from the newer 22R (such as cylinder head, block, pistons, the timing chain, and cover, water and oil pumps) are not compatible with those from the older pre-1985 engine.
How big is the intake valve on a Toyota 22R?
Intake valve head diameter is 45.0 mm (1.77 in), and exhaust valve head diameter is 37.0 mm (1.46 in). Intake valve duration is 272°, valve lift is 10.1 mm, and exhaust valve duration is 248°, valve lift is 9.7 mm.
What happens if you open the valve on a 22R engine?
CAUTION: The 22R line of engines are an interference style engine. Meaning if the valves are open when a piston is in the up position they will collide. Therefore you must be VERY careful and keep the cam gear and crank perfectly aligned. 20. Put the Vehicle in gear and Remove the pulley from the crank.