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Besides a full tune up what else can I do to increase fuel efficientcy on a 350 with a four Barrell carbarator

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Use pure gas w out ethanol. Sold at marine and some stations. Amsoil has octane products and also synthetic oil

Posted on Apr 27, 2015

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Hello Edward, Make sure your tires are properly inflated.

Posted on Apr 27, 2015


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Carbarator diagram for a 350

really broad question without year, make, model, but here is a basic diagram for an 80's 5.7l (350) carb.

Dec 28, 2016 | Cars & Trucks

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I changed in line fuel filter on my 1965 ford galaxie and now wont start. I think air in fuel line, how to I remove?

HI try and prime carbarator with fuel this should boost delivery of fuel from tank, check if fuel level in carbarator maintains

Dec 14, 2014 | Ford Cars & Trucks

1 Answer

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

1 Answer

After doing a full tune up (gaskets and all) now my 2001 montero sport idles at 2500 rpm's

What is your definition of a tune-up, besides
spark plugs?

Did the 2500 rpm idle start,after someone worked on it?

I hope a repair shop didn't give it back to you like that

Mar 08, 2013 | Cars & Trucks

1 Answer

2001 mustang fuelpump not turning on, low power to it from harness thru trunk

To troubleshoot the issue, i suggest you few help links with accurate solution step by step:---

Fuel pump not running?

Fuel pump not working on 1991 Ford Ranger?


Fuel pump has no power on 2002 ford 350 7.3 diesel?


Emergency fuel shut switch on Ford car?


How to jump fuel pump On Chevrolet Silverado 1500?


How to Increase gas mileage on 2011 2500HD Duramax 6.6?

How to test Fuel Pressure and replace Fuel Pump?

Fuel Running Lean

How to relieve fuel pressure?


Refueling problem?


Toyota Tercel consuming more fuel?


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Fuel gauge jumps from empty to full?


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No power to the control side of the fuel pump relay?


These will help.


Dec 06, 2012 | 2001 Ford Mustang

4 Answers

My dodge dakota it idles below 1000 rpms and it sounds like its about to stall. and if i rev it up and then let off it will stall instantly. when i am driving from first gear to second it goes up to 4000...

It is actually hard to say without actually seeing the vehicle, but the target speed for your engine idle is around 750 RPM. The stalling after revving kind of depends on how high you are revving it and whether the engine is at operating temperature or not. This may be normal. Then again, it could be that the Idle Air Control (IAC) is not working properly.

The shifting from first to second at 4000 RPM sounds like a completely separate problem. This could be due to low transmission fluid level, sticking shift control solenoids, or possibly even a malfunctioning Vehicle Speed Sensor.

If the Check Engine light is on, have that checked first.

Feb 18, 2011 | 2000 Dodge Dakota Quad Cab

1 Answer

When you get down on it hard it acts like it aint getting enough gas 460 4 barrell motor 2 gas tanks where is the fuel filters

in the end of the fuel line at the carb.It could be as simple as a collapsed filter.Sometimes happens when it sits for some time.

Feb 19, 2010 | 1984 Ford F 350

1 Answer

1987 f 350

On the pass. side fender is you should find the fuel pump relay. Power goes through it to the inertia (crash) switch on the upper part of the pass. side floor board. From there, the power goes to the fuel pump. At the rear near the fuel pump is the fuel pump ground. It's attached to the inner part of the frame as is sometimes hard to see. Check it as well. I've had truck that drove me crazy and would find a bad ground there. I cleaned up the ground and everything was fine again.

Aug 23, 2008 | 1987 Ford F 350

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