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Old 12-07-2019, 04:46 PM #1
maxmad88 maxmad88 is offline
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The Differences in 22re

I have a 88 4runner and im wondering would the 22re out of a 91 be the same as the one in my 88? Any parts i would need to switch over?
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Old 12-08-2019, 09:21 PM #2
Cali 4runner Cali 4runner is offline
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Mechanically they are the same.
However, there are a lot of little differences (intake, throttle body, sensors, exhaust manifold, injectors, wiring harness, vacuum hoses valves).

I would keep everything electrical you have and swap over the mechanical components. My cousin and I just did this with an 87 and 89 22RE
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Old 12-13-2019, 02:40 PM #3
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LC engineering has a lot of great info on their site.

LC ENGINEERING Engine Tech

1975 - 1980 20R Cylinder Head
Round Intake Port
Round Exhaust Port
80/81 C.C. Chamber
Intake Valve Diameter 43mm
Exhaust Valve Diameter 35mm

1981 - 1984 22R Cylinder Head
Square Intake Port
Round Exhaust Port
82/83 C.C. Chamber
Intake Valve Diameter 44.5mm
Exhaust Valve Diameter 36.5mm

1985 - 1995 22R-22RE Cylinder Head
Square Intake Port
Pear Shape Exhaust Port
57 C.C. Combustion Chamber
60 C.C. Chamber (Turbo) Intake Valve Diameter 44.5mm
Exhaust Valve Diameter 36.5mm

Engine Block Identification
1975 - 1980 20R Block
Deck Height 11.280"
Stock Bore 88.5mm - 3.484"
Maximum Over Bore 90.0mm - 3.544"

1981 - 1984 22R Block
Deck Height 11.280"
Stock Bore 92.0mm - 3.622"
Maximum Over Bore 93.0mm - 3.662"
Big Bore Forged Piston Kit 94.0mm - 3.701"

1985 - 1995 22R-22RE "Laser Block"
Deck Height 11.090"
Stock Bore 92.0mm - 3.622"
Maximum Over Bore 93.0mm - 3.6662"
Big Bore Forged Piston Kit 94.0mm - 3.701"

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).
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