High-Flo T.P.I. Baseplate #3817 is designed to be used with 1985-later, TPI equipped vehicles that have been retrofitted with Vortec, GM Fast Burn, or Edelbrock E-Tec cylinder heads. NOTE: Vortec style heads do not have an exhaust crossover passage, requiring #3817 to use external routing of the EGR system to retain emissions functions. Part #3817 will accept a 1986-1991 Corvette-style EGR supply. See “EGR VALVE” section below for further instructions. A TPI EGR block-off plate is included for use ONLY on off-highway, non-emissions applications.
The Edelbrock High-Flo T.P.I. Baseplate is part of a Total Power Package Parts System that can be completed with the use of dyno-matched High-Flo T.P.I. Runners, Tubular Exhaust Systems, and related parts specifically designed to give you maximum results. Please refer to the Power Package Guide in the Edelbrock catalog to select all the components you need. These components are compatible with the O.E.M. computer.
EGR SYSTEMS
Edelbrock EGR-equipped High-Flo T.P.I. Baseplates are intended as functionally identical replacements for their O.E.M. counterparts. All exhaust emissions or emissions related stock components may be retained and functional. A block-off plate is included for use on off highway, non-emissions vehicles ONLY.
INTAKE SYSTEM REMOVAL
NOTE: This section is intended for reference only. In most cases where Vortec-style heads are retrofit, the OEM intake manifold and accessories will already have been removed.
1. Disconnect battery.
2. Drain coolant.
3. Disconnect throttle body from Mass Air Flow Sensor boot.
4. Disconnect all lines from throttle body (linkage, water, vacuum, etc.).
5. Remove linkage attachments from plenum and move out of the way.
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Saturday, January 29, 2011
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