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14 Posts
Stay away from the 6.5 td unless you get it really cheap made by chevy.I have a 93 3/4 ton with heavy rear end in it original motor went at 170,000. I'm on the second motor from a rebuilder and this one has cracked head on cyl.7 125 miles (first one 300miles. 
) The early blockes were the best the mid 90's block were prone to cracking cyl.8 the most and head cracking has allways been an issue.They are built to light GM trying to put more money in there pocket.The dmax is real good so far ,after GM's rep with the 6.5 i guess they had to finally build a better diesel,the allison tranny are real good too.Anyone else have these kind of troubles?
) The early blockes were the best the mid 90's block were prone to cracking cyl.8 the most and head cracking has allways been an issue.They are built to light GM trying to put more money in there pocket.The dmax is real good so far ,after GM's rep with the 6.5 i guess they had to finally build a better diesel,the allison tranny are real good too.Anyone else have these kind of troubles?
