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Intake manifold gasket?

Tiny
EDDY NAVARRO
  • MEMBER
  • 1980 PONTIAC FIREBIRD
  • 7.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 152,000 MILES
I installed an intake manifold on my 454 big block and it seems to not cover a small little slit in the middle of the engine on both sides of the heads, I am wondering why there’s a gap and why it’s not covered by the intake.
Saturday, June 1st, 2024 AT 5:31 PM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,640 POSTS
Can you upload an image of what you are talking about?
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Sunday, June 2nd, 2024 AT 10:02 AM
Tiny
EDDY NAVARRO
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I try to upload a picture but it won’t upload let’s see if it works this time.
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Sunday, June 2nd, 2024 AT 10:06 AM
Tiny
KEN L
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Thank you, when start the engine is there vacuum present? Also, can you zoom out a little so I can see more of the engine? This might be normal as some aftermarket intake manifolds do not cover the EGR port/casting.
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Sunday, June 2nd, 2024 AT 10:45 AM
Tiny
EDDY NAVARRO
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The engine is not installed yet it’s on a stand.
But I will get another picture for you.
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Sunday, June 2nd, 2024 AT 12:50 PM
Tiny
KEN L
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  • 47,640 POSTS
Thank you, can you remove the intake so I can see the EGR port? Can you tell if the intake will cover the EGR port completely?
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Monday, June 3rd, 2024 AT 9:57 AM

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