I decided while I had the engine out I would remove the tins and clean out the cooling fins. After pulling the intake manifold and looking in the intake port on the heads I noticed there was a distinctive line in there. It seems to be in all 4 intake ports, but it is more pronounced in the #1 cyl head. It didn't seem like a crack, more like a ridge. I think it is one of the following:
1) Casting Lines - Everything is normal
2) Previous Crack Repair - OK it will work
3) New cracks developing
So which is it?
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That is normal, I have seen it many times before.
1.
Great, I was worried there for a sec.
Seam line- the heads are injection die casted. this is where the two halfs come together. NO problem mon!
KP
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