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I mentioned in that other thread of my actual problem that actually, this truck does not have a wicked wheel. A few years ago the turbo cartridge? bearing assy or what have you was replaced, and I'm sure at that point the wicked wheel was replaced by a standard wheel. I did not know much then, but I'm 100% sure that is the case know. I wish I could do a video, but as much as Ive tried I cannot get one of the quality required.
Besides a wicked wheel, what other reasons are there that early 99's and older do not seem to have the surge issue? Maybe it's something else that's been done. I'm pretty much assuming now that it is surge. I've done a lot of trial testing and testing for boost leaks, belt pullys, etc. and the timing of the noise is just yelling surge to me.
Early 99 F250 2WD ECLB. 429,000K and counting. 6637, 5" exh. Glowshift A pillar egt, boost, trans temp. Frx, HPx, Hutch and Harpoon. Rear 1 1/4" sway bar. Tony Wildman 6 pos. 203* TStat. DieselSite Coolant Filter. BTS Valve body. CCV Mod. Turbomaster wastegate controller.