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Power Strokes
6.7 Aftermarket
6.7 Head gaskets???
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[QUOTE="CATDiezel, post: 1368366, member: 4387"] I'll be following your progression. For the sake of FUN I hope you post up everything and step you do... although I simply don't have the time to dive into projects like this anymore I certainly do enjoy thinking about the engineering aspects of it. You'll have to understand that ALOT of the folks trying to attempt stuff like what your doing are headed for disaster quickly. That's more of the explanation for some of the guys coming off as "negative" It's just a fact that alot of the gasser guys have alot more "engineering" understanding than most diesel heads... those guys do a fair bit more than folks looking to plug a turbo on a truck with a set of tools picked up from sears. I grew up with those already old school guys and to them cutting a crankshaft was as normal as taking a leak when they felt the urge! My main concern with a slightly stroked engine is fueling. You will need a custom tune configuration to make things right. Many will say NAH. BUT the simple fact is your looking to make a longer stroke with a every so slightly heavier rod. If you were to run a heavier rod it might make a hair more sense. A model of the weights would have to be run on a balancing program to see what the inertia ratio would be. (I know I've gone overboard here.... lol). It very well may be possible to add a small and I mean small amount of weight to the rotating assembly as in drill holds in the weights on the crank and add lead plugs. There again you could probably just leave it alone. I'm not sure if the industry lends to the 6.7l market enough to yet care but a raise wrist pin bore would be ideal to offset the rise. However.... way overboard. Just clip the piston tops and coat them! Done. Having working hand and hand with large frame turbines and 10,000hp turbo chargers I learned quickly that balancing is not rocket science. A $250,000 turbocharger gets balanced with a 3m buffing pad! Lol... Rodso and pistons... I would set them on a high dollar scale that was used to measure grains of powder!! Worked fine for me and was more accurate tHan the old dusty never calibrated scale at the machine shop! [/QUOTE]
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