Head Surface Advice? (1 Viewer)

[trx125]

I just got my heads back from the machine shop. My father in law picked them up for me. The nearest machine shop that specialized in toyota heads is over an hour drive each way. I told them exactly what kind of gaskets I was using and this is what I received back from them. Not only can you see the scratches, you can feel them as well. I am really upset. This is suppose to be a very reputable shop that handles toyota heads for dealerships all around our area. I am going to call them tomorrow to see what needs to be done. I have seen better finish on a stucco wall. There is no way I could get them to seal and fill in the gaps even if I used silly putty. My plan was to use Hylomar sealer and a MLS gasket. Oh well, I will get off my soap box now. I am just curious as to everyone's thoughts on this.

 

[Duane]

Haven't much experience since old cast iron heads... the pic sure looks a little course. Can you catch a finger nail in them?

I would take them buy a local engine rebuild shop if you have one and see what they think of it. Not too many places rebuilding engines anymore.
Need to find an engine builder to comment on them or a machinist rebuilding heads.

 

[MikeBoyle]

From the pattern on the heads it appears that the shop used a belt surface grinder (think over sized belt table sander). This meathod was/is acceptible for a traditional composition style soft-face head gasket, but is not acceptible when using MLS (Multi-Layered-Steel) gaskets commonly found on Toyota engines. The current finish appears way too rough.