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350 Chevy intake manifold diagram

Explain all port openings

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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psds4
  • 293 Answers

SOURCE: 1998 chevy tahoe 5.7 intake manifold removal

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008effd
this should help

Posted on Oct 23, 2008

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chuck943
  • 783 Answers

SOURCE: 97 F150 4.2l Intake Manifold Bolts

the long bolts go to the inside or in the holes closest to the center of motor and the short ones go to the outside of the intake or closest to the valve covers

Posted on Jan 29, 2009

  • 1118 Answers

SOURCE: i have a 3500 chevrolet

The egr valve is pluged up from carbon build up and it quit functioning. take it off clean it up, and also inside of intake with a screwdriver and shop vac. and then purchase a new gasget thats like a screen, they sell them at autozone and put it back on. the screen gasget is for any chunk that you missed in intake and trys to plug up the egr valve again.

Posted on Feb 12, 2009

LT1Rob
  • 55 Answers

SOURCE: Torque Spec for '99 Chevy C1500 5.7L engine lower intake manifold

On 5.7L engines, install the bolts and torque in sequence as follows:

  1. Step 1: 71 inch lbs. (8 Nm).
  2. Step 2: 106 inch lbs. (12 Nm).
  3. Step 3: 11 ft. lbs. (15 Nm).
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Posted on Mar 14, 2009

arauzvictor1
  • 466 Answers

SOURCE: need head bolt, intake manifold, and exhaust torque specs

Cylinder Head Bolt Step1- (25 FT.Lbs) Step2(45 Ft.Lbs) Step3(65Ft,Lbs).....Intake Manifold(35Ft Lbs)....Exhaust Manifold Center (20Ft Lbs) All Others (20 Ftlbs).....Thanks

Posted on Mar 06, 2010

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I need a vacuum hose diagram for 2000 Chevy S10 2.2 from the top of the Intake Manifold


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1996 chevy 350. Why does it idle poorly but runs well under load?


At higher RPM's. Usually a vacuum leak. This could be rubber vacuum lines or the intake manifold gasket. Use WD40 and spray around the intake and vacuum ports. If it smooths out a bit. You found the proximity of the leak.

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Need a diagram for vaccum advance for a GMC truck 1981 350 engine 2bbl carb


The vacuum signal for the advance needs to come from a ported vacuum source on the carburetor, and not from manifold vacuum. Ported vacuum means little or no vacuum at idle, because the throttle plates at idle shut off the ported vacuum hole. Look for a vacuum tube coming from near the base of the carburetor.
I have no resource to find a diagram. You may need to check a repair manual that your local library might have. Or purchase a Haynes or Chilton manual for around $25. Or join a forum for older Chevy/GMC trucks; somebody there could help you, I'm sure. Good luck.

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I am swaping out 1990 4.3 chhevy sport and putting i a 1995 350 chevy


The 1995 350 is a "Vortec 5.7" motor if I remember correctly.You will have to get a throttle body and intake manifold for an older 5.7 liter(early 90's?).The Vortec engines are a sequential multiport injection setup(totally different).

May 04, 2012 | Chevrolet Chevy Cars & Trucks

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I have a dual carb manifold setup with the number


You can tell by the intake ports. If there's 2 close in the middle then it's for a small block chevy. If they're evenly spaced then more than likely it's for a big block.

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Need head bolt, intake manifold, and exhaust torque specs


Cylinder Head Bolt Step1- (25 FT.Lbs) Step2(45 Ft.Lbs) Step3(65Ft,Lbs).....Intake Manifold(35Ft Lbs)....Exhaust Manifold Center (20Ft Lbs) All Others (20 Ftlbs).....Thanks

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I am going from a qudrajet carb to an Edelbrock 600 with manual choke. I am not sure how the linkage switches over. I am working on a 1985 chevy 4x4 with a sb 350


If your staying with the stock intake manifold the edelbrock wont fit unless you install a adapter plate.And i would advise you not to install it will not seal properly.I would install a edelbrock intake manifold and carburetor as a matched set.You can purchase a edelbrock carburetor and intake manifold from advance auto parts that's designed for your vehicle.

Jan 30, 2010 | 1985 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

1 Answer

Tuned-Port Injection problem


If foreign matter is inside the intake manifold the intake manifold must be removed to clear out all debre or damage to the intake valves and pistons will occur, use a strong vacuum and a long magnet to extract any debree from the intake ports after removing the intake manifold, and then blow out all passages on the intake manifold itself with compressed air to remove debre before reinstalling the intake manifold, make sure you drain the coolant before removing the intake manifold also before attempting this job it is a good idea to purchase a Haynes repair manual to walk you through the procedure.

Sep 03, 2009 | 1989 Pontiac Firebird

1 Answer

Adjust valves on 1971 chevy 350


either the intake is sucking oil from the bottom of the manifold, very common, other is the rings are gone, also very common,lighterr oil usage is a valve stem seal issue. the valves are hydraulic and unless u are installing new rocker arms require no adjustment.

Feb 17, 2009 | 2000 Chevrolet Blazer

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