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The fuel mods are changing the tank pick up and the connector at the high pressure pump on the frame to prevent air intrusion. Also I changed out the injector in number 8 from the "LL" version to the regular version found in the other 7 cylinders. Also installed a regulator system to increase the fuel pressure to 68 PSI instead of the factory 51 psi and then tied the heads together for a return system so air and so on can get out of the fuel rail of the heads. Do a search on this site for "cackle" and you will have 4 days of reading on the subject. What these mods did for me is give me a very quiet engine (for a diesel that is) and on the last trip from Coeur d' Alene to Sacramento in mountain driving and all speeds, I got 19.25 and the average speed was 64 mph. In town I am getting close to 18.5. Heck when I got this thing if I got 16 on the highway, it was a good day.
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2001 VW NB TDI speed.
SOLD: '02 PSD Excursion LTD Ultimate 4X4 Mineral Gray, PSD badges, Banks Exhaust, AIS air filter, DP-Tuner, Fuel mods, V code (2C3Z-5310-HA, AKA 3C34-5310-ADA) and modified F code (6C34-5560-F aka 5C32-5560-FA) springs with Timbren rear overloads, Bilstein shocks, hellwig sway bar, Powerslot Cyro rotors with Hawk LTS pads, IH CPS part # 1826899C93 (original CPS).
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