resurface heads?

[motohed]

took my heads to Guy when i picked up my motor parts. basically i did more work than i needed for the "end result" a lot of the stuff i did won't net me anything, but wont hurt.

as far as the kit shown in the ebay pic, sort of. i used some of the sanding rolls in the upper right corner of the pic. those were only for the fine tuning though

 

[05' Ditry Duramax]

So the question went right over my head. After I typed that out and found the link, I had to stop ask myself why would NEENS ask such a question? I would image you (neens) would know about porting and polishing. I feel pretty retarded right now........

Nothing to see here, move along please....

 

[motohed]

So the question went right over my head. After I typed that out and found the link, I had to stop ask myself why would NEENS ask such a question? I would image you (neens) would know about porting and polishing. I feel pretty retarded right now........

Nothing to see here, move along please....

wait, piecing stuff together in my mind.. neens is chris right? i met a chris at socal diesel in valencia... correct?

 

[malibu795]

Cylinder head work is kinda a science...I'd talk to this dude...

www.socaldiesel.com

port match- no
removeing casting flash- no
smoothing existing walls no..
smoothign out vavle bowl ares not really

max effort very much so.

 

[slowlmm]

wait, piecing stuff together in my mind.. neens is chris right? i met a chris at socal diesel in valencia... correct?

you probbaly met chris the engine builder at so cal he like 6ft 8 tall skinny dude verry cool guy.

 

[stacks04]

motohed, to get to your question we have replaced a few sets of heads with those markings on them for using coolant. i think it is a reaction between the 2 metals and it corrodes the aluminum on the head. be careful with the resurfacing gm allowable spec is .0039".

 

[The Neens]

So the question went right over my head. After I typed that out and found the link, I had to stop ask myself why would NEENS ask such a question? I would image you (neens) would know about porting and polishing. I feel pretty retarded right now........

Nothing to see here, move along please....

I know enough about porting and polishing to not do it without a flow bench...That's all I meant...

wait, piecing stuff together in my mind.. neens is chris right? i met a chris at socal diesel in valencia... correct?

There are 2 Chris' at SoCal diesel...I don't think we met, although I'm there a lot bugging Guy

port match- no
removeing casting flash- no
smoothing existing walls no..
smoothign out vavle bowl ares not really

max effort very much so.

There's more to it than just turning on the grinder and letting it bang around

you probbaly met chris the engine builder at so cal he like 6ft 8 tall skinny dude verry cool guy.

More like 6'4", not so skinny, but a very cool dude...

 

[malibu795]

you probbaly met chris the engine builder at so cal he like 6ft 8 tall skinny dude verry cool guy.

yes i did.

I know enough about porting and polishing to not do it without a flow bench...That's all I meant...


There's more to it than just turning on the grinder and letting it bang around

a basic compatent mech can gasket match and remove csating flash.

 

[slowlmm]

I know enough about porting and polishing to not do it without a flow bench...That's all I meant...



There are 2 Chris' at SoCal diesel...I don't think we met, although I'm there a lot bugging Guy



There's more to it than just turning on the grinder and letting it bang around



More like 6'4", not so skinny, but a very cool dude...

Hey well next to me he looks skinny ok LOL 6"4- 6"8 same damm thing hahah

 

[The Neens]

a basic compatent mech can gasket match and remove csating flash.

A basic competent mechanic does not own a flow bench, there is a difference...

Removing casting flash and porting cylinder heads are vastly different...

 

[tylerrustLB7]

Im porting a set of lbz heads right now.I can tell you right now they are deff alittle more challenging than your bbc or ford heads.I have been porting going on 5 years now and love it.I am raidus the intake,wideing the exhaust to match the bowls and you basic bowl blending.I will take some pic's of them when I am done so yall can tell me what yall think.

 

[motohed]

motohed, to get to your question we have replaced a few sets of heads with those markings on them for using coolant. i think it is a reaction between the 2 metals and it corrodes the aluminum on the head. be careful with the resurfacing gm allowable spec is .0039".

machine shop took off 3 thousandths today

 

[S Phinney]

Yes I would resurface them. You probably will need to change a few guides out and you should have the valves depth reset after resurfacing.