Port Fuel Injector - Replacement
Number: 87-36Section: 6C
Date: DEC., 1986
Subject: PORT FUEL INJECTOR REPLACEMENT 2.8 LITER V6 ENGINES
Model and Year: 1985-86-87 CAMARO, CELEBRITY, CAVALIER WITH 2.8L V6 MPFI ENGINE 1987 BERETTA, CORSICA WITH 2.8L, V6 MPFI ENGINE
TO: ALL CHEVROLET DEALERS
During the 1986 model year, a limited number of first generation 2.8 Liter V6 MPFI engines were built with MULTEC fuel injectors. This new designed injector is being produced by the Rochester Products Division and looks slightly different from the Bosch injector. See Illustration for comparison. The primary difference in appearance between the two injectors is at the spray tip end, and is due to the different fuel metering designs. Fuel metering in the MULTEC injector is controlled by a ball valve/seat and director plate, while metering control in the Bosch design is done by a pintle valve and seat.
PORT FUEL INJECTORS:
INJECTOR REPLACEMENT INFORMATION
First Generation Eng - 1985-1987 (with a single fuel rail)
INJECTOR TYPE GMSPO SERVICE PACKAGE
Bosch Injector P/N 17111297
MULTEC Injector P/N 17111661
(Injectors will be supplied with appropriate retainers for single fuel rails).
Second Generation Eng - 1987 (with dual fuel rail)
INJECTOR TYPE GMSPO SERVICE PACKAGE
MULTEC Injector P/N 17111799
(Injectors will be supplied with appropriate retainers for dual fuel rails).
Replace injectors individually, not in sets.