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Message: [QUOTE="Powerstroke Racer, post: 1378563, member: 13"] Let me put this out there, THERE IS NO SUCH THING AS BULLET PROOFING A 6.0 or any engine for that matter, dumbest thing ever to keep getting regurgitated. Any shop that makes money using that term is ripping people off both in trust and money. Can a lot of the inherent problems be fixed? sure they can BUT that does not make one bullet proof Nor does it keep a 6.0 from having other problems that will cause a failure much less a head gasket failure. Duramax and 03-07 5.9 Cummins use the same style gasket and have no problems, 6.7 Cummins uses the same style gasket BUT is now the new 6.7 leaker. Do Cummins guys ask to be bullet proofed? of course not, sounds too dumb a term to use. Now For arguments sake, lets look at this from both sides of the table. Customer already feels ripped off for buying a 6.0 AND then has to spend 6k or more to fix it, ya you read that right 6k, if you spent a lot less then you definitely got ripped off by an inexperienced shop. It takes TIME and money in parts to correct the problems. From a customer’s point of view they obviously are looking at it from the money perspective, from a shops point of view it has to be done right to not come back but how do you control what the customer does after they pick it up, ie: big tune and foot to the floor everywhere they go and then tow a heavy trailer but hey I have a warranty :rolleyes:, fan goes out but keeps on driving it because they can’t afford to replace it, Head has an internal crack after the fact from the extra torque and heat cycling, now who’s fault is that ? The shop that did the work, the machine shop that did the heads, International for making a cheap casting???? But hey it’s Bullet proofed so shop should eat it right, no I don’t think so. Seems the mentality of the average 6.0 owner is that of entitlement and not willing to except responsibly for a bad choice in a truck purchase. Common practice is to place a straight edge on the block, if it looks good clean the surface install gaskets and ARPs and presto we are now bullet proofed but what did the shop actually do here? Nothing but add some extra clamping force, so HOW does that now magically make it bullet proof? Simple answer is NO it did not because the root cause of the problem was only halfway addressed when the heads got a new flat machined surface. The other half never got fixed because they either did not see the problem or know how to fix the problem, even then when done properly you still have not bullet proofed anything and a gasket can still be blown due to other causes unrelated to installing new gaskets and head studs. So ask yourself again where does the responsibility fall. There is no simple answer to that question as a lot of variables come into play. No doubt there are reputable shops that try their best and have the best intentions but fall short of customer expectations. Best thing I have learned is to educate the customer and THEN if customer agrees and understands how it all works we will proceed with the job if not we turn them away as it inevitably is a no win situation for both parties involved. Below is an example of the block surface problem [ATTACH=full]164673[/ATTACH] This is how it should be after hand lapping the block [ATTACH=full]164674[/ATTACH] [/QUOTE]