[DeTomaso] CHI heads---valve guides

[Dave Londry]

And no metal on the drain plug?
dave


On 3/3/2011 2:41 PM, Mike McDougal wrote:
> 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
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