Cracked head?

[JQmile]

SO since I have an '89, with the 9mm injector bores, how bad do I have to worry about my head cracking? I heard it can happen but not sure if it is a one in 500 or one in 5 type of thing. I've also heard that even if they do crack, they can still be run most of the time...?.....[/u]

[dpuckett]

As long as your fluids stay where they belong, and you have no compression leaks, I'd say you'd be ok. I had 6 cracks in my 91 head, and ran it. Machine shop said he'd seen them run in Case tractors with much bigger cracks. The tractors have a lot heavier duty cycle than a pickup, so I went ahead adn used it with no ill effects for the next 70K.

I'm not sure how common the cracks are. I've heard of them being fairly common, though.

Daniel

[flashgordon]

SO since I have an '89, with the 9mm injector bores, how bad do I have to worry about my head cracking? I heard it can happen but not sure if it is a one in 500 or one in 5 type of thing. I've also heard that even if they do crack, they can still be run most of the time...?.....[/u]

As for as a % gos.......I will GUESS and say 50% would have a crack by the time you need to replace a head gasket........and 2% would not be worthy of being put back in survice.


Flash