hey guys i was just looking at trucks for sale and i was reading about this one truck and the guy kept saying in his post that the truck doesnt have a 53 block so what is that? and he is saying its not one so there must be something bad about it what is wrong with them and if there is something wrong with them how do i look for it when i am looking at trucks to buy?

 

they are before 98.5 the 12 valve motors..here is a a mess of info do your homework and read it all it will help you with buying your truck..just download all the pdf files on all the cummings trucks ..http://www.genosgarage.com/faq.asp