Question about 1993 GMC Sierra K1500

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Why would i get to much fuel to the intake and how do i fix it it has a 350 in it

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Fuel pressure regulator might have went bad

Posted on Aug 28, 2010

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89 K5 Blazer 350 TBI cranks but won't start... the rad hose blew, i fixed it then the next day it bogged and backfired, ran fine cold, but when warmed up it would lose power and stall when trying


Have you checked Google I found this hopefully it's not your timing or it may be flooded but doubtful have you tried spraying starting fluid into the intake while cranking it

Jun 01, 2012 | Cars & Trucks

1 Answer

1995 PONTIAC BONNEVILLE INTAKE


It's worth the 350. There are a lot of electrical connections that have to be removed, vacuum lines removed, fuel lines removed. Then you need to remove all the bolts that hold it on the engine. That requires that the rocker covers have to come off. Then you clean the old gasket material from the engine block, replace the gaskets and then torque the bolts with a torque wrench. Reconnecting all the wire harness connectors and vacuum lines and fuel lines and then trying to figure why it won't start. Sure you're up to the challenge?

Dec 01, 2011 | 1995 Pontiac Bonneville

1 Answer

Where is the fuel filter located on a Chevy Mark 3 Van 350 motor/20


If it is fuel injected, it is an inline filter found underneath, along the frame rail. If it is carbureted, it is screwed in the carburetor where the fuel line enters it (intake fuel filter nut)

Sep 02, 2011 | 1993 Chevrolet G20

1 Answer

Where is the presure regulator and the fuel filter on a chev 350 located ?


the filter is under the truck near the tank and the regulator on the newer chevys that are fuel injected are under the intake

Apr 23, 2011 | GMC Sierra 1500 Cars & Trucks

2 Answers

K1500 1999 Vortec 350. Weak spark causing motor to flood. Suddenly spark gets brighter and the motor starts right up. It takes forever to get to that point though. Any thoughts?


another issue that causes flooding in the Vortec 350 ( which, I assume you have) is the fuel injection spider. The spider assembly also contains a fuel pressure regulator if faulty can allow too much fuel to pass through the injectors fouling the plugs (a common problem), While your in the upper intake you might as well take care of your lower. A leaky inner seal on the lower intake can cause out to ceep in to your heads causing a faulty spark.

Jul 31, 2010 | 1998 Chevrolet K1500

2 Answers

Looking for 2.5 engine on 86 fiero vin r


I just checked Ebay, and there are two listed. You might try Craigs List.

(Tips from me:
Port the Vortec head. Open the Intake and Exhaust ports, by smoothing them out, and smoothing the casting sprue lines out.

Put the Intake gasket, and the Exhaust gasket on the head, (After marking the area with Prussian Blue)
Scribe the opening of the gasket, onto the head, then match the ports to the scribed lines.

You also should round the valve guides top surface. (Where the valve stem meets the guide) There is a square edge that needs to be rounded. This square edge interferes with the fuel/air mixture, as the sharp edge breaks the fuel/air mixture down into droplets.
You want to keep the fuel/air mixture atomized, Not droplets.

Also narrow the casting that comes up the side of the valve guide. (Squared off shape that follows up the guide, and makes the Vortec shape swirl shape in the Intake port) Narrow it to more of a small rounded edge.

Do not polish the Bottom of the intake ports. Leave them as a rough casting. Smooth, and polish the Sides, and Top of the Intake port. (Do not get Extreme! You'll go into the water jacket with your die grinder! Factory may have had a casting shift that day. Just smooth things up)

Makes a nice swirl pattern for the fuel/air mixture.
If you polish the floor, (Bottom), of the Intake port, you will create Two swirl patterns, and they will collide with each other, making droplets again. (They cancel each other out. You want one nice swirl pattern flowing through the Intake port)

I can bring my 1985 Fiero up to 155Mph, (On dragstrip set up for this, tires, and proper safety equipment used). I can also 'Keep my foot' out of the throttle, and get 45 miles to the gallon on the highway.

You can use flat top 350 Chevy pistons. The 2.5 Vin R Fiero engine has a 4 inch bore like a small block Chevy. The pistons can be put on the Fiero rods. Same wrist pin size. The piston drops down into the engine block, about .030 below deck height.

(Wrist pin to piston crown height, is .030 shorter with 350 Chevy piston, compared to stock Fiero piston. You can buy 4 - 350 Chevy pistons AND rings, compared to the price of just the rings, for a Fiero!)

(Thirty thousandths. Real close to 1/32nd of an inch. .03125 is 1/32nd of an inch)

Fiero's have dish head pistons, so the drop in deck height, and using a Flat Top 350 Chevy piston equals out. (Better flame travel with flat top piston. Better burn, more power. Uses more of the fuel/air mixture than a dish head design)
If you can't afford to have them balanced, use a beam scale, and balance them yourself.

I can bring my 1985 Fiero up to 155Mph, (On dragstrip set up for this, and proper safety equipment used). I can also 'Keep my foot' out of the throttle, and get => 45 miles to the gallon on the highway. (Throttle Body Fuel Injection. TBI)

Makes a V6 Fiero cringe!

Sep 14, 2009 | 1988 Pontiac Fiero

2 Answers

I have a Irco 350 TPI engine that I want to swap into a


you can run this motor carburated if you want by purchasing an after market conversion intake and carburator setup. if you want to leave it fuel injected you will need to swap wiring harnes and everything, computers and sensors you will have to run manual guages for the temp sensors and oil pressure guage and alternator due to your speedo being unable to accept them.

Aug 28, 2009 | 1988 Chevrolet Camaro

1 Answer

Fuel


If it's fuel injected, 96 up it will be under the upper plenum of the intake manifold mounted on the side of the injector spider.

Jul 11, 2008 | 1997 Chevrolet C/K 2500

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