![]() ![]() ![]() ![]() 2958 cc 3.0L SOHC 8 Valve Intake valves 44.5mm/ Exhaust valves 36.5mm.Toyota manufactured these engines through the 1994 model year on the T100, and in 1995 for the Pickup and 4-Runner. The early 3VZ water pump must a locator pin at one end for the spring on the timing tensioner. Another difference between the 1988 - 1992 3VZ engines and the 1993 - 1995 3VZ engines is the water pump. The timing belt was also changed to facilitate the ne hydraulic tensioner. To facilitate the new hydraulic tensioner, a machined recess and a drilled and tapped hole were added to the front of the right hand side cylinder head. Also the timing belt tensioner Toyota used for the 3VZ from 1988 1992 is a spring loaded tensioner, while the belt tensioner for the 1993 - 1995 3VZ utilizes a hydraulic design. The earlier 3VZ heads (1988 - 90) have a smaller pilot hole for the distributor that the later 3VZ heads. The cylinder heads Toyota used for the 3VZ are different from left to right because of the distributor location. The 3VZ is a 3.0l single over head cam (SOHC) engine Toyota produced from1988 thru 1995 for use in their Pickups, 4Runners, and T100s. Toyota introduced the 3VZ V6 engine in 1988, featuring a cast iron block and aluminum heads. ![]()
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