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Apex
1999 Chevrolet C1500 Engine Cylinder Head Gasket 8 Cyl 5.0L Apex

P311-39D04C5    AHG324  New

Qty:
$14.40
Apex Engine Cylinder Head Gasket
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Apex
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 V 8 Cyl 5.0L 305 -
Apex
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Apex

P311-0C51FB5    AHG322  New

Qty:
$13.07
Apex Engine Cylinder Head Gasket
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Apex
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Apex
1998 Chevrolet C1500 Engine Cylinder Head Gasket 6 Cyl 4.3L Apex

P311-4589541    AHG320  New

Qty:
$12.30
Apex Engine Cylinder Head Gasket
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Apex
Additional Fitment Information:
Vehicle Block Engine CID CC
1998 - Chevrolet C1500 V 6 Cyl 4.3L 262 -
Apex
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 6.5L Apex

P311-51C4AC4    AHG391  New

Qty:
$17.21
Apex Engine Cylinder Head Gasket
  • Standard Thickness
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Apex
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 6.5L 395 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Victor Gaskets

P311-31D3ACE    3432SG  New

14011041 , HG31250 , 8364 PT , 3997790 , 3951526

Qty:
$23.06
Victor Gaskets Engine Cylinder Head Gasket
  • MAHLE Performance Cylinder Head Gasket
  • Graphite Cylindrical Combustion Chamber with Stainless Steel Flanges
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 106.43
      • 4.19
    • Cylinder Head Gasket Material: Graphite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.07
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Victor Gaskets
1999 Chevrolet C1500 Engine Cylinder Head Gasket 8 Cyl 5.0L Victor Gaskets

P311-280DAA7    3514VC  New

355958 , 0416684 , 462690 , 361981 , 8670 PT , 462691 , HG31010 , 8510 PT , 471528

Qty:
$20.11
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Composite
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 3.90
      • 99.06
    • Cylinder Head Gasket Material: Composite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.05
      • 1.14
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 V 8 Cyl 5.0L 305 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Victor Gaskets

P311-3D3AC95    1178SG  New

1003 , 8651 PT

Qty:
$45.23
Victor Gaskets Engine Cylinder Head Gasket
  • MAHLE Performance Cylinder Head Gasket
  • Graphite 4.160in Combustion Chamber Opening with Contoured Combustion Chamber with Stainless Steel Flanges
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 105.82
      • 4.17
    • Cylinder Head Gasket Material: Graphite
    • Item Grade: High Performance
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.04
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Victor Gaskets

P311-0C2203B    54052  New

7733 PT-2 , 14088948

Qty:
$17.36
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Graphite .044in Compressed Operating Thickness 9.8 CC Combustion Chamber Volume with 4.100in Combustion Chamber Diameter with Contoured Combustion Chamber with Stainless Steel Flanges
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 104.78
      • 4.13
    • Cylinder Head Gasket Material: Graphite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.07
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Victor Gaskets

P311-305F953    1178VC  New

Z1094 , 501SD , Z1095 , 3839711 , 465372 , 3830711 , 7733 PT-2 , 462691 , HG31000

Qty:
$17.15
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Composite
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 104.78
      • 4.13
    • Cylinder Head Gasket Material: Composite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.05
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Victor Gaskets

P311-134D25A    1178BS  New

3758440 , 3836498 , 3830711 , 7733SH-1 , HG31600 , 3911088 , 1564448 , 3995633 , 3748768 , 3783631 , 3731324

Qty:
$11.07
Victor Gaskets Engine Cylinder Head Gasket
  • MAHLE Performance Cylinder Head Gasket
  • Beaded Steel
  • Product Attributes:
    • Cylinder Bore Diameter:
      • 104.14
      • 4.10
    • Grade Type: Performance
    • Material: Steel
    • Thickness:
      • 0.04
      • 0.89
    • Unit of Measure: Cc
    • Volume: 4.1
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Victor Gaskets
1998 Chevrolet C1500 Engine Cylinder Head Gasket 6 Cyl 4.3L Victor Gaskets

P311-1E2121F    5744  New

10066080B , 522SD , 510SD , 035-2000 , 10105110 , 9354 PT-1 , 10066080 , HG32680 , 12552362

Qty:
$12.91
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Single-Sided Graphite
  • Product Attributes:
    • Additional Package Contents: None
    • Cylinder Bore Diameter:
      • 104.70
      • 4.13
    • Cylinder Head Gasket Material: Single-sided Graphite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.05
      • 1.14
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1998 - Chevrolet C1500 V 6 Cyl 4.3L 262 -
Victor Gaskets
1989 Chevrolet C1500 Engine Cylinder Head Gasket 8 Cyl 6.2L Victor Gaskets

P311-16204C8    3678  New

14061687 , 8726 PT , 10154642 , 14066246 , HG33870 , 14025519

Qty:
$39.86
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Solid Core Composite
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 104.44
      • 4.11
    • Cylinder Head Gasket Material: Solid Core Composite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.07
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1989 - Chevrolet C1500 V 8 Cyl 6.2L 379 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 6.5L Victor Gaskets

P311-22026C2    4021  New

9701 PT , 12554979 , HG34030 , 12556031

Qty:
$27.82
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Standard Thickness Composite
  • Product Attributes:
    • Additional Package Contents: Head Gasket
    • Cylinder Bore Diameter:
      • 105.41
      • 4.15
    • Cylinder Head Gasket Material: Composite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.07
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 6.5L 395 -
Victor Gaskets
1999 Chevrolet C1500 Suburban Engine Cylinder Head Gasket 8 Cyl 5.7L Victor Gaskets

P311-41978E3    5746  New

10105117 , 7733 PT-2 , 14085905 , 10066082B , 10066082 , 462691 , 8-10105-117-0

Qty:
$22.76
Victor Gaskets Engine Cylinder Head Gasket
  • MAHLE Performance Cylinder Head Gasket
  • Single-Sided Graphite
  • Product Attributes:
    • Additional Package Contents: None
    • Cylinder Bore Diameter:
      • 104.70
      • 4.13
    • Cylinder Head Gasket Material: Single-sided Graphite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness: 0.04
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Block Engine CID CC
1999 - Chevrolet C1500 Suburban V 8 Cyl 5.7L 350 -
Victor Gaskets
1990 Chevrolet C1500 Engine Cylinder Head Gasket 8 Cyl 7.4L Victor Gaskets

P311-5507532    3902VC  New

8523 PT-1

Qty:
$19.41
Victor Gaskets Engine Cylinder Head Gasket
  • Engine Cylinder Head Gasket
  • Composite
  • Product Attributes:
    • Additional Package Contents: None
    • Cylinder Bore Diameter: 111.00
    • Cylinder Head Gasket Material: Composite
    • Item Grade: Oem Standard
    • Material: Composite
    • Thickness:
      • 0.04
      • 1.07
  • MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Victor Gaskets
Additional Fitment Information:
Vehicle Engine VIN Block Engine CID CC
1990 - Chevrolet C1500 N V 8 Cyl 7.4L 454 -
Mr Gasket
Qty:
$54.71
Mr Gasket Engine Cylinder Head Gasket  Right
  • U/S HG-CHEV 350 .055in. 1 PC
  • Composition Gasket Material; Flexible Graphite Core; Elastomer Coated; 4.130 in. Gasket Bore; 0.055 in. Compressed Thickness
  • Ultra Seal Head Gasket
  • Product Attributes:
    • Bore Diameter: 4.130 In.
    • Compressed Thickness: 0.055 In.
    • Compression Ratio: 14:1
    • Engine Make/Size: Chevrolet Small Block Gen I
    • Gasket Line: Ultra-seal
    • Material: Graphite Steel
    • Package Type: Retail
    • Position: Left Or Right
  • Excellent resilience. High temperature endurance. Will not creep or cold-flow. Will not get brittle. Resists corrosion. Eliminates gasket sealer. Compatible with high octane and exotic fuel.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Mr Gasket
Position: Right
Additional Fitment Information:
Vehicle Position
1993 - Chevrolet C1500 Suburban Right
Mahle
1994 Chevrolet C1500 Suburban Engine Cylinder Head Gasket Mahle

P311-14D17EB    W0133-1684608  New

Qty:
$29.36
Brand: Mahle
Additional Fitment Information:
Vehicle
1994 - Chevrolet C1500 Suburban
Fel-Pro
1998 Chevrolet C1500 Engine Cylinder Head Gasket 6 Cyl 4.3L Fel-Pro

P311-36CF6D9    W0133-1687741  New

Qty:
$20.84
Fel-Pro Engine Cylinder Head Gasket
Brand: Fel-Pro
Additional Fitment Information:
Vehicle Block Engine CID CC
1998 - Chevrolet C1500 V 6 Cyl 4.3L 262 -
ACDelco
1998 Chevrolet C1500 Engine Cylinder Head Gasket 6 Cyl 4.3L ACDelco

P311-361A093    W0133-1687741  New

Qty:
$34.96
ACDelco Engine Cylinder Head Gasket
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • GM Original Equipment
Brand: ACDelco
Additional Fitment Information:
Vehicle Block Engine CID CC
1998 - Chevrolet C1500 V 6 Cyl 4.3L 262 -

Latest Chevrolet C1500 Repair and Head Gasket Installation Advice

CarJunky AutoAdvice

Still smoking after complete rebuild

Showing 11 out of 26 Posts | Show 15 Hidden Posts
Question From drivewaymech on Still smoking after complete rebuild

I've been working on a 1988 Chevrolet C1500 with a 4.3 Vortec engine for about six months now and did almost a complete rebuild replacing almost every internal part of the engine except for the cam shaft and piston rods. I also had a machine shop hone out the cylinders to .030 over spec, and replaced the pistons and rings accordingly. They also did some other work to ensure no head gasket leakage, rebuilt the cylinder heads and tested it for compression.

Now, after six months of work, three tear-down and rebuilds, and a couple thousand dollars in parts, the #2 and #4 combustion chambers still have oil leaking into them. The problem seems to only occur under a load (when driving, not when parked). After driving for a little while, the truck starts to smoke. Then I remove the #2 and #4 plugs and they are covered in oil. There seems to be a significant amount of oil in the #2 and #4 combustion chambers.
I know of only two ways that oil can enter into the combustion chamber.

1. Oil seepage past the piston rings.
2. Through the valves from the top-end of the heads.

If anyone has any insight into this, please help!

Response From Discretesignals

What happened to the engine to warrant an overhaul? Did it have the same problem your having now?

I believe you are spot on in stating that ring or guide problems can cause that. I don't believe a PCV system problem would cause only two cylinders to have excessive oil. Appears you might have to tear down, inspect, and measure again to see what is going on.

Response From drivewaymech


What happened to the engine to warrant an overhaul? Did it have the same problem your having now?

I believe you are spot on in stating that ring or guide problems can cause that. I don't believe a PCV system problem would cause only two cylinders to have excessive oil. Appears you might have to tear down, inspect, and measure again to see what is going on.

Response From drivewaymech

My fault. It was supposed to be under the quoted section...

It was pretty much doing the same thing as now, except worse. When I first got the truck, the #1 and 3 valve lifter rods were broken. I had a head job done at the machine shop, which checked the valve seals.

After the head job, I put it together and it was still smoking, and I determined that to be the #2 and 4 cylinders. I did a resurfacing job on the cylinders myself and put it back together... same problem, smoking, and oil in #2 and 4.

Response From Discretesignals

Have you been adding brake fluid to the master?

You could put a homemade catch can in the PCV line just to see if the smoking stops and the can is collecting a bunch of oil. That would eliminate a PCV system problem. The only way the PCV system could be sucking that much oil is if you have a whole lot of blow by or there is a problem with the valve cover baffle.

Another thing that comes to mind is if the oil is being sucked up into the intake runner from the lifter valley where the head and intake meet . You would have a vacuum leak under the intake. You could find out by installing a vacuum gauge on the dipstick tube and then blocking off the PCV valve and breather hose. If your gauge builds up vacuum, you have a leak under the intake.

Response From drivewaymech

Is the valve cover baffle supposed to have something in it to prevent oil from escaping?

I just ran the engine to operating temperature in my garage again. No smoke from exhaust (although it smells bad). Pulled #2 spark plug afterward, and ther eis no oil on it.

If I were to drive it down the street a ways and come back, it would be smoking huge plmes of white smoke, and the #2 and 4 plugs would be coated in black sticky carbon-oil mixture.

Response From drivewaymech

Thank you for your reply, but actually, they were. http://en.wikipedia.org/wiki/GM_Vortec_engine

Response From Hammer Time

Thank you for your reply, but actually, they were. http://en.wikipedia.org/wiki/GM_Vortec_engine

I'm afraid you are wrong. The Vortec (VIN W) was not offered in the C1500 truck in 1988. The TBI 4.3 was the only V6 available in that year.

Response From drivewaymech



Thank you for your reply, but actually, they were. http://en.wikipedia.org/wiki/GM_Vortec_engine

I'm afraid you are wrong. The Vortec (VIN W) was not offered in the C1500 truck in 1988. The TBI 4.3 was the only V6 available in that year.


Ok, I don't know if it is or is not a Vortec. COme to think of it, I think you are right. It doesn't say "Vortec" anywhere on it.


Response From Hammer Time

Calling it a Vortec will get you a lot of wrong parts.

Response From drivewaymech

That would explain a lot.

I have found another issue that may have something to do with my issue. The Vacuum Modulator Assembly, which has a vacuum line that goes from the right hand side of the transmission to the top of the intake manifold directly over the #2 and 4 pistons, has transmission fluid in it.

This could explain why the smoking only happens while in Drive.

Response From Discretesignals

Yep, that would cause smoking and loss of transmission fluid. You must have the 3 speed turbo 400 option.

Response From drivewaymech

All it says on the tranny is "Hydromatic DIV OF GMC"

Response From Tom Greenleaf

Good find with the trans vacuum modulator. Hope you have filled trans fluid to proper level.


You said it sounds like crap and NO that's not normal. You should pull the plugs just because to see if the ATF messed them up.
Noises a pest by nature. Does it sound external to you? It might be loose things, brackets holding any accessories or exhaust noise from any where, heat shields or just a lousy connection(s) from "Y" pipe to exhaust manifold or a crack in a manifold?
Some things that help it take belt off and see just quickly if the noise is gone and spin items for a bad bearing. Other tricks up to tap on exhaust parts (cool engine) with a rubber hammer and loose things should show up.


If just plain RPMs at any load produce this noise and helps narrow it down,


T

Response From drivewaymech

So, I just replaced the Transmission Vacuum Modulator. I took it for a ride around the block, and NO SMOKE!!!

The engine, however still sounds really crappy. When it revs to a certain RPM, it sounds like it is going to fall apart. Is that normal for this type of engine?

Thank you all for your input. You have been a big help.

Response From Discretesignals

The baffle acts an oil vapor separator. If it gets plug up, the oil that gets separated can't drain back down into the head, so it gets sucked into the intake.

This is kind of rare, but if your engine is smoking and you keep having to add brake fluid. The master could be leaking into the vacuum brake booster causing the engine to suck in brake fluid.

Response From drivewaymech



Here is a you-tube of how the engine running after warm-up. The #2 spark plug was bone dry after this test. As I said before, the oil and smoke problem only occurs after driving on street.

Response From Discretesignals

Another thing that comes to mind is if you have a intake runner leak between the head and intake manifold sucking oil up from the lifter valley.

You would have a vacuum leak under the intake. You could find out if that is a problem by blocking off the PCV valve and breather and installing a vacuum gauge on the dipstick tube. If the gauge builds a vacuum while the engine is idling, you have a leak under the intake as long as the rest of the engine gaskets are sealed up really good.

Response From drivewaymech

Ok. I removed the pcv hose from the valve and plugged the end with a spark plug. Then, because I couldn't find my vacuum gauge, I wet a finger and held it over the oil dipstick. I thought I could feel a small amount of vacuum sucking on my finger.

If this is the problem, is there a fix?

Response From Tom Greenleaf

You bored this engine .030 over! What's the question? Engine is junk,


T

Response From drivewaymech

I put a new master cylinder on. Brake fluid level hasn't reduced since I did that job.

Response From Discretesignals

Then that isn't the problem. I would probably make a homemade catch can just too see how much oil is being collected in the PCV line and too see if the smoking stops.

If that doesn't work, you have a problem with the valve guides/seals or cylinder wall/ring issues.

Response From drivewaymech

I did do a brake job several moths ago, but what would that have to do with my oil in the #2 and 4 cylinders?

Response From nickwarner Top Rated Answer

You have an 88 with a Vortec motor? They didn't exist then. Is this a transplant from something newer or did you have a typo?

Response From drivewaymech

The reason I thought it was the PCV is because it sits directly over the two cylinders that I'm having the issue with.

Response From Discretesignals

You never answered my questions.