1992 F-Body TPI System
1227730 ECM
Based on Manifold Absolute Pressure Sensor
Fuel Delivery calculated using TPS, MAP, and RPM
Modified F-Body Programming
Speed Density TPI
Engine
GM P4 Speed Density System
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1992 F-Body TPI System |
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1227730 ECM |
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Based on Manifold Absolute Pressure Sensor |
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Fuel Delivery calculated using TPS, MAP, and RPM |
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Modified F-Body Programming |
Transmission
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1994 S10 4.3L PCM Computer System |
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Used for 4L60-E transmission control only |
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TPS, MAP, Distributor Reference Pulse, and VSS signals shared with Engine computer |
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Modified Programming |
Why a 4L60-E rather than a 700r4?
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Aluminum Valve body |
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Fully programmable shift control and firmness |
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Better diagnositc capabilities |
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Newer internal mechanical updates |
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No kickdown cable |
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No shift governor |
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Full throttle upshift to 4th gear (depends on PCM programming) |
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