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- - Intake manifold (https://67-72chevytrucks.com/vboard/showthread.php?t=126462)

Broken_down?

11-06-2004 12:27 AM

Intake manifold

replacing the intake gaskets and saw this... maybe someone can shed some light as to what the build up is?

http://teenhelp.bounceme.net/pictures/MVC-748F.JPG

if the pic dont show here is the link
http://teenhelp.bounceme.net/pictures/MVC-748F.JPG

jhow66

11-06-2004 12:33 AM

Exhaust gas cross over passage. Carbon build up from oil burning.

Broken_down?

11-06-2004 01:11 AM

thankyou.

jakeslim

11-06-2004 01:36 AM

http://68.124.129.216/pictures/MVC-748F.JPG

GMC AMI

11-06-2004 08:47 AM

Carbon deposits for sure!

grayw0lf

11-06-2004 09:30 AM

I never knew what that was for... Almost every (tired) engine I have broken down was 75% or more clogged. On the P.O.S. in my garage right now, I had to stab at it with a large screwdriver!

Broken_down?

11-06-2004 02:29 PM

any tips on how to reduce the carbon build up without doing a ring job?

Rich

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