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Message: [QUOTE="6.0 Tech, post: 1567236, member: 23001"] Ok, I must’ve missed the part on their website about 2 engines at the same time. I saw the 13000 hour number and the 18000 hour number, and assumed I guess. However, in what you posted, their numbers on the 7.3 truck are not impressive. It also doesn’t have before and after testing with it. We’ve got a Dually at the shop with almost 600k on the original motor making 570 on the same injectors, stock cam, and a similarly sized turbo to the 38r, which is what I’m guessing they used in that test, as they said “Garrett” turbo. Granted, technology has come a long way in even the past 5 years, and we’ve never hooked our 5 gas machine to the Dually to see what it does, but I believe we’re making closer to 1500 lb/ft and they’re at 1300. Now is this in the tune to be cleaner on the sniffer? Just a technology jump? Pistons? I don’t know. However I can tell you, on my 6.0, I have an emissions tune that limits fueling for the opacity test and sets the rev limiter, as that’s all we test in Arizona, and it passes at 7ish percent opacity on a neutral rev with 330/150s. Can also say that in testing our turbos with multiple tuners with the 5 gas on, a tune that passes emissions, and dynos well, drives like garbage. One that may not dyno quite as well, and maybe be 15-20% over stock emissions (carb allows 10% to certify) drives great. Again, this is a good conversation to actually have something we’re talking about on the forum, and I’m also not trying to piss in anyone’s cheerios or something. But I do feel that it reiterates the point of a couple of shops need to build 2 identical engines and test the pistons. Hell, gale the god banks himself you’d think would be jumping on this if it is as emissions friendly as it’s claimed. Sent from my iPhone using Tapatalk [/QUOTE]