The #8 bloch is prone to crack on some of the turbo diesels most between 97 and 99. as far as i know there is nothing you can do to tell if your block will crack or not, but you can help by getting the kit that opens up the rear of the water jacket and helps with the coolant flow around the rear of the engine this kit is about $350 if you get it on-line some where. or you can go to tour local DIY (lowe's, builders sqare or what ever) and put a system together your self for about $10. this may or may not help. I've just cracked my block about 2-3 weeks ago and i alread had the mod.
What do you mean by filers????
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