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Message: [QUOTE="John Fredrickson, post: 1560281, member: 34637"] 2003 Ford f350 7.3L. I am having an issue with the Garrett Powermax GTP38R Ballbearing Turbocharger for Powerstroke 7.3L that I just installed. it is giving me severe surge on acceleration while towing and I know that I need to ds on the hills and I do that but, this in on the flat highway trying to get up to speed, it's an automatic btw just rebuilt heavy duty and I was hoping you could help me. I went with this turbo to get the EGTs down while towing with the stock turbo with the wicked wheel. mods to the truck are full force 180 30 injectors power hungry hydra with tunes for the injectors. new up pipes, 4-inch downpipe, banjo bolts, intake heater delete, boost fooler, cold air intake, oil crossover, spring in the bowl delete and that fuel pressure spring the middle one added. I am towing about 12,000 lbs. and when I had the stock turbo there was no surge at all and it towed fine just high EGT'S on the hills and that's why I went with the 38R. any help or suggestion would be greatly appreciated because I don't want to ruin my truck [/QUOTE]

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