RallyBoy

iTrader: (1)

I was just wondering what a bad port job looks like. When looking from the top of the head into the inside of the intake and exhaust ports, I see areas that look like too much material was removed. Should it be smooth all of the way through? I hope what I'm asking makes sense.

96capricemgr

iTrader: (1)

define "smooth" the actual texture is not that big a deal. If there are waves or big humps/dips from where a cutter got away from the porter I might be concerned. That said sometimes CNC'd heads will have some "as cast" areas left behind due to core shift, even high quality head work.

Can you take them to a professional and have them looked at?
I really don't think people describing things over the internet will help a lot and taking good pictures of such a thing is a challenge, a picture ona computer screen can be very decieving vs. what is or is not actually there.

RallyBoy

iTrader: (1)

Thanks for the reply. Well, the texture is smooth. I just noticed areas where there is an actual hole through the metal, like too much material was removed in that particular spot. I wish I had pictures.

bufmatmuslepants

iTrader: (3)

That's probably the rocker stud, that hole is normal, just be sure you use good thread sealer on your studs.

96capricemgr

iTrader: (1)

In very well ported heads the rocker stud holes will be open into the intake ports. Now if you see just a couple that could indicate inconsistency port to port which would be bad.

lt1slowz28

Rodinator1234

What that stuff built up around the valve guide?

96capricemgr

iTrader: (1)

That hole is just the rocker stud hole.

The stuff on the valve guide is just some sort of assembly grease.