Where to get my LS7 heads machined...

[BAMF TA]

I bought some unassembled LS7 Heads a few months ago..

Now I heard that I have to have them machined, since I dont know which cylinder they are for.

SO, my first question is: Did I hear correctly?

Second: If so, where can I get this done around here?




Its so beautiful out, and I want my car on the road.

[1BADAIR]

huh? which cylinder as in valves? if the heads are new and valves are new just Lap them. if they are in good used shape Lapping would work too

[BAMF TA]

Well thats easy enough, I can handle that myself.

[1BADAIR]

if they are low mileage i dont think any machine work would be required. just lap them and make sure you have a pattern all the way around to make sure every thing is straight and seated

[ThreeHonks]

only true if a seat has been cut already. Some "bare heads" come without even basic machinework done to them

[BAMF TA]

They are used.

[ThreeHonks]

oh gotcha. nevermind then

[BAMF TA]

Its cool, thanks for your help.

I was looking online at CLOVER lapping compound, i know 120grit then 300 grit

Should I follow with 800 or 1200, is it a waste?, is it worth it? will it help? will it hurt?