You can receive a refund by returning a suitable old core. By 1974, however, government-mandated smog requirements killed the muscle car as the 454's horsepower rating dipped to 235. The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. Please refer to the core return instructions included with the part or contact customer service for more details. Chevy began installing 454 V-8s in its trucks in 1973. Do expound on your question and I will try to follow. Customer responsible for return shipping on core items.
Also the throttle plate could be binding in its bore and kinked accelerator cable, coolant temperature sensor might not be operating properly misleading the computer that the engine is still cold and computer throwing fuel at it raising the idle speed. Valid on orders shipped in the contiguous United States. The same principle of operation applies. I know that the exhaust cross over is in between there and 4 and 6. All Postings that advertise items for sale will be deleted from the Discussion Forum.
One thing about tbi, is that if you suspect a faulty injector, you can hook up a timing light and point the beam at the injector and see the spray pattern, and see whether or not it is correct or not. Welcome to Club Hot Rod! If you noticed excessive noise from the back end of the truck with the key switch on engine off just before the fuel pump quit, then most likely the fuel pump took a dump. You may post sale items for free in the Classifieds section. Please refer to the core return instructions included with the part or contact customer service for more details. Please refer to the core return instructions included with the part or contact customer service for more details. That way only liquid fuel which is heavier is allowed through the metering point on the injector.
The Muncie four-speed manual with overdrive was available on 1982 to 1987 models. It'll get a good chunk of highway useage so changing the tranny out to be able to go 70 down the highway without this thing sounding like a B-52 would be nice. It is even possible that leaky O-rings around the fuel injectors are allowing air to leak past the seals. You can receive a refund by returning a suitable old core. I have replaced the fuel filter. Something competetive with all the new trucks.
Something I can beat 4. They still suffer from the same mixture distribution problems as a carburetor, because of the wet manifold design, but since the mixture is very closely controlled by the ecm, the calibrated fuel requirements can be adjusted much more rapidly and with greater precision than ever could be achieved by an carburetor. I wont mind doing a carb setup if needed. Too fast an idle speed. I ran my 454 for a couple days without noticing it.
Common leak paths include the carburetor and throttle body gaskets, carburetor insulator spacers, intake manifold gaskets, and of course, any of the engine's vacuum fittings, hoses and accessories. Offer excludes truck freight and oversize fees. Only after 10 miles of driving does the engine backfire up the intake under load. Wile you are in ther be sure to check all the vacume operated controls and intake gaskets with the torch. I finally went with Accell Extreme 9000 wires with 4 layers of fiberglass cloth wrapped around boot and a metal heat shield over the fiberglass! Please refer to the core return instructions included with the part or contact customer service for more details. There are after market heat shields and thick gasket spacers to eliminate such problems.
All Messages in Thread Author Date Gary 1-12-08 Backfires on passenger side only and the exhaust manifolds turn red hot after only a few minutes. A little hold back can mean a lot of heat in the big blocks,which can cause overheating, predetionation,burnt valves, etc. I am not sure that the thermostat is working right. Also the are the same. The est distributor module sends the signal to the ecm to synchronizes the injector pulses, alternating the injectors pulses from right to left.
This allowed the 1-ton four-wheel-drive trucks to tow up to 4,500 lbs. You can receive a refund by returning a suitable old core. These 454s with four-barrel carburetors developed 230 horsepower and 360 foot-pounds of torque. The Chevrolet 454-cubic-inch V-8 engine debuted near the end of the muscle car era in 1970. The injectors are designed to allow possible fuel vapor to rise to the top and dissipate through a channel to the return line, which the pressure is controlled through the regulator.