Toyota 3l engine block3/31/2024 ![]() The engine was designed to be installed with 15 deg angle to use it in many applications. The exhaust system also was tuned and optimized. The engine has variable geometry intake manifold called ACIS by Toyota. The exhaust cam is driven by intake camshaft through gear in the middle of the cylinder head. There are numbers for adjusting valve gaps: 0.25-0.35 mm intake, 0.15-0.25 mm exhaust.ģVZ camshaft specs: duration - 230 intake 230 exhaust, 12 deg overlap, 7.85 mm intake lift (or. 27.3 mm is the diameter of the exhaust valves. The shape of intake valves also was changed. The engine doesn't have hydraulic lifters. The 3VZ-FE got aluminum DOHC heads with the increased diameter of the intake valves to 34 mm from 33 mm. The redeveloped version and more performance engine the 3VZ-FE was produced from 1992 to 1997. The compression ratio of these engines is only 9.0:1. The early version of this engine 3VZ-E has SOHC aluminum cylinder heads and original pistons. Inside the block, there is new forged crankshaft with nine counterweights and 82 mm stroke. The angle between cylinders in V-shape configuration of the block is 60 deg. The cast iron cylinder block looks the same, but it is taller by 20 mm (the height is 223 mm).
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