Head Mechanics?

[boostineclipse]

What is all involved in the mechanics of the head? Besides valves,springs,retainers,lifters,and the valve seals. What should be replaced when being rebuilt?

 

[KenTSIII]

Rebuilding a head normally entails hot tanking, pressurized to check for cracks, new valve stem seals, check the valve guides, resurfacing, 3 angle valve job, & reassembly. I just had all of this done locally for $125 (new valves & valve guides would be additional, but I didn't need any)... which is about average from what I found. I've heard of people paying alot more but it's not worth it. Also DO NOT let them port your head unless they really know what they are doing w/ import/motorcyle heads.

 

[Rob]

you could always go for the 7 angle valve job =0) you might as well have the head ported while its out of the car and open it up
Just my 0.02 cents

 

[DSMu4ia]

Porting shouldn't be done, like Kevin said, by just anyone.

Opening it up usually causes more harm than good on turbo cars.

I just had done as well locally, and I had them clean it up. Not a so called "ported" head, but the majority of the casting marks were removed, and it looks pretty nice. 5-angle valve job, and what ever else Ken posted, it cost me $215.

 

[Rob]

yes dont go with some guy with one eye and a diegrinder with twitchey hands and smells like weed.

 

[boostineclipse]

I prolly won't get any porting done..I am not looking for any really deep 1/4 mile times..and a stock head is good for high 11s..which I am not even thinking about, right now All what was mentioned by Kevin is gonna run me 185$, not too bad