340 X heads advice
exactly.. some guys thing they are gold still but thats not the case.
So true I have several sets, they are still a good head if you already have them.
My current build I am using "J" heads on a 318, why because I also have a few sets of them.
There is a machine shop in Charleston WV that just went thru the set of "J" heads that I am using.
His prices are reasonable he charged me the following:
I provided new springs and valve seals.
$150 for a 5 angle valve job, and to clean and assemble the heads.
$25 to mag the heads
$100 to give them a slight mill for flatness.
So machine shop prices can be all over the place, you have to shop around, he is two hours drive one way for me, but the local shop, which is 10 minutes from my house, their prices are basically bend over and take it.