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I have an Early 99 Aug 98 build. I'm the 2nd owner. F350 CC long box with 6 spd. I have been getting high egt's since I owned it. I got it with 77,000 on it and now it has 170000. DP tuner F5 4in. turbo back exhaust, 6637 intake, Terminator 500 HPOP, fuel cross over line ,oil cross over line Regulated return. Coolant filter, new water pump & radiator, new 350 HP south Bend clutch, gray CPS, new ebpv and tubing, new boots on inter cooler tubing. Still need to put the two tubes on in the valley.
Shop did a leak down test of the inter-cooler system ,said it held pressure. Did a contribution test showed a problem with #5 cylinder. the mechanic said either a cylinder or an injector. I am going to have him replace all 8 injector at once. Going with remans from Gomers diesel in Missoula,Mt with 15% over stock.
I can't locate any leaks. They only thing I can find is a little soot on the drivers side bank up pipe. Can that cause the EGT's to run High. at normal cruising at 75-80 MPH tact reading 2300 RPM's with 3.73 gears the temps run between 6 to 900 degrees in the 60 HP econo mode. If I put my foot into it the EGT's climb real fast to 1250 and would climb higher if I didn't take the foot off. If I pull my enclosed snowmobile trailer ,total weight is around 6500lbs.I have to watch the EGT gauge constantly.
does anyone have a solution besides selling it. Do the early 99 with the smaller turbo run hotter.
Any help would be appreciated
Thanks guys in advance
Last edited by COP-OUT; 07-28-2013 at 02:13 PM.