1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 ALL MANIFOLD

Part Number: 3713

ALL  MANIFOLD - Part Number 3713
Manifold Performer Chevrolet 90 deg V6 4.3L T.B.I.. EGR. Idle 5500 rpm. Designed for street 1987-94 Chevrolet 4.3L V6 with factory Throttle Body Injection. The Performer 4.3L intake manifold provides outstanding throttle response and torque increases from idle to 5500 rpm. #3713 is a stock replacement/street legal part for 4.3L T.B.I. V6; 1987-94. A computer chip is available at no charge and is street legal for 4.3L trucks (E.O. #D-215-21). Return the postage paid card that comes with the manifold to receive the chip. Manifold and chip provides a 6/10s of a second gain from 10-70 mph. Accepts all factory accessories/hardware. Throttle body unit remains in stock location. Not for vehicles with flash memory computer. These are most 1994 and later 4.3L T.B.I. V6 equipped vehicles. Flash memory ECM is located underhood. Will not fit 1986-89 Astro/Safari Vans. Injector Recommendations: Use stock Throttle Body Injection Unit. Installation Notes: Recommended intake gasket: GM #10159423. Manifold height: A-3.93 in, B-5.15 in. Port exit dimensions: 1.10 in x 1.92 in. Will fit 1990-95 Astro/Safari Vans.
Performer Chevrolet 90 Deg V6 4.3L TBI 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991

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