Question about 1978 Chevrolet C1500

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Converting a throttle body carb toa 4 barrel carb

I have a 1989 305 engine that im putting into a 1980 big 10 pickup and i dont want to us the computer so i need to know how to change a throttle body carb to a four barrel carb to match the wiring harness on the 1980 pickup.

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Put a 4 barrel intake manifold on it.

Posted on May 17, 2009

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Why four barrels do not open 65 4100 carb


The choke linkage is not properly hooked up or adjusted. The throttle linkage is not adjusted properly or there isn't enough vacuum. The choke linkage has a tab that prevents the 4 barrels from opening when the choke is engaged. There is a tab on the throttle linkage from the front 2 barrels that will engage the secondaries when they rotate past a certain point. Vacuum opens the top plates on the secondaries.

Sep 19, 2014 | 1965 Ford Mustang

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I am changing a1994 silverado 350 5.7 throttlebody with a 650 edelbrock 4-barrell carb.already atop another intake that fits,weill i have problems because of the left over throttle body wires


Its going to be a major job. The in-tank pump produces 10-15 psi which is twice the amount a carb can handle. The float in the carb will not cut that much pressure off.
And the engine computer must have the TPS sensor to function.

Jan 31, 2014 | Cars & Trucks

3 Answers

How do I know if my truck has a carb or if it's fuel injection?


FUEL INJECTION THROTTLE BODY INJECTION SYSTEM HAS TWO ROUND FUEL INJECTORS ON TOP.CARBURETOR DONT HAVE FUEL INJECTORS.IT HAS CHOKE VALVE AND FUEL NOZZLE WHICH IS THE FUEL METERING SYSTEM.

Feb 04, 2011 | 1987 Nissan Pickup

1 Answer

I want to put a chevy throttle body on a dodge with a 360 with a 2 barrel carb how do i do it?


First before we get started on this, we need to know if you have all the fuel management system to go with the throttle body??? (ECM, O2 sensors, cam,crankshaft sensors, and MAP sensor) and a few other that i may have missed and also the wiring harness to make it all work together to make the Throttle body work with the proper fuel injector pump.
Keep me posted and let me know and we can go through the whole picture when you have all that and we can also chat about how to tune your ECM to the engine and how we are going to keep it emission legal since it's going to be fuel injected, it's no longer exempt from emissions like the carbureted engines.
Thank you for using Fixya and be glad to help you convert your 360 dodge in to a fuel injected engine.

Mar 17, 2010 | 1998 Jeep Grand Cherokee

1 Answer

My son says that he starts up the 1996 Dodge Ram pickup and it starts right away but if he doesn't keep his foot on the gas pedal for 30 seconds to 2 minutes or so, the truck dies. It will start up again,...


It could also be carbon build up on the throttle body, but regardless the cure is the same. Your going to need to clean the throttle body and the idle air control valve (IAC). With a can of throttle body cleaner, (follow instruction on the can) clean the throttle body blade and the IAC passage way in the throttle body and IAC. Once the throttle body is cleaned, with the engine off, turn the ignition key to the on position (engine not running) and wait for 30 seconds and then turn if off for 10 seconds and then start it. This should reset the IAC, if it did not work do it again and see if it helps. If not clean out the IAC passage way again. The turning on and off the ignition reset's the IAC and it may still be stuck with carbon build up. Once the engine has started, Note there will be lots of smoke form the tail pipe, that's normal. It's just the left over throttle body cleaner and carbon being burn off, take's not more then 10 min to burn off. Good luck and this should keep you from replacing the IAC. Oh and don't use Carb cleaner, Carb cleaner is to corrosive to the throttle body gasket.

Nov 04, 2009 | 1999 Dodge Ram

1 Answer

1980 Rabbit Pickup. Engine surges at all speeds.


1980??? didnt have any sensors ,distributor cap points and carb ,zenith carb as i remember and bosch points and distributor

Jun 27, 2009 | Volkswagen Rabbit Cars & Trucks

3 Answers

I need to know how to convert a throttle body carb to a 4 barrel


you can buy an itake to convert it you dont need to change the heads the 4 center bolts have just a slightly differant angle then change the distributar slap a carb on and put an inline fuel pump and your good to go

May 17, 2009 | 1978 Chevrolet C1500

1 Answer

Engine rough idle cold. passes smog once temp reaches thermostat


you can take apart the top section and blow out the small passage that's bellow the throttle plate.

May 01, 2009 | 1987 Toyota Tercel Liftback

2 Answers

HIGH IDEL


sometimes the gasket under the trottle body goes bad. spray carb cleaner at the base of the trottle (not down into it) body while the engine is running. if the idle changes your on the right track. its an easy gasket to change.

Jan 08, 2009 | 1998 Chevrolet S-10 Pickup

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