6.5 Head - guide for valve.

[Jesper Jess Jensen]

Can anyone give me info about the heads for the 6.5 td engine, are there a guide in the head or do i have to mill holes for the new guides I have.
New guides measure 1/2 inch in diameter.

See attached images.

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[smokymtn65]

Can anyone give me info about the heads for the 6.5 td engine, are there a guide in the head or do i have to mill holes for the new guides I have.
New guides measure 1/2 inch in diameter.

See attached images.

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need to go to thetruckstop.us for best 6.5 td info.

 

[Schurkey]

First Guess: Those guides are integral to the cylinder head. You need a machine shop to bore the original guides, then press-in thinwall bronze sleeves.

'Course, once that's done, you need the seats ground so they're concentric with the "new" guide inserts.