| Part Number: | 704-0012 | Grind Number: | T20-272-2-10 |
| Engine Identification: | | | | Start Yr. | End Yr. | Make | Cyl | Description | | 1974 | Up | TOYOTA | 4 | GOOD IDLE, DAILY USAGE AND OFF ROAD, PERFORMANCE AND FUEL EFFICIENCY, ALSO MILD TURBOCHARGED, 2600-3200 CRUISE RPM, 9.5 TO 10.75 COMPRESSION RATIO ADVISED. BASIC RPM 1800-5200 | | Engine Size | Configuration | | | 2189-2366 C.C. | | |
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| Valve Setting: | Intake | .008 | Exhaust | .010 | HOT |
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| Lift: | Intake @Cam | .278 | @Valve | .430 | All Lifts are based
on zero lash and theoretical rocker arm ratios. | | | Exhaust @ Cam | .287 | @Valve | .444 | | Rocker Arm Ratio | 1.547 | | |
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| Cam Timing: | VALVE | @.010 | | Lift: | | Opens | Closes | ADV Duration | | | Intake | 27 BTDC | 65 ABDC | 272 ° | | | Exhaust | 72 BBDC | 30 ATDC | 282 ° |
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| Spring Requirements: Triple Dual Outer Inner | | Part Number | -- | | Loads | Closed | -- | LBS @ | -- | or | -- | | | Open | -- | LBS @ | -- | | |
| | Recommended RPM range with matching components | | Minimum RPM | 1800 | | Maximum RPM | 5200 | | Valve Float | 6000 |
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| Cam Timing: | VALVE | @.050 | | Lift: | | Opens | Closes | Max Lift | Duration | | | Intake | 7 BTDC | 37 ABDC | 105 | 224 ° | | | Exhaust | 52 BBDC | 2 ATDC | 115 | 234 ° |
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Bell housings
Air & Fuel