[DeTomaso] CHI heads---valve guides

[Mike McDougal]

Hi all,

 I have CHI 4V heads.  Approx. 3K miles on them.
All the valve guides are completely shot !!
Have Crane gold roller rockers set up to run on the
center of the valve stem...all is good there.
I thought CHI was a better quality product.
My machine shop guy says they are worn out
like that Pro Comp crap does !!  Anyone had this
problem before ?

 Mike McDougal  3482