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Old 08-27-2005, 03:07 PM
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Originally Posted by rgsiii
I am normally driving at an altitude of about 200 feet and when I went to Colorado earlier this month there was a marked reduction in performance of my Land Cruiser. I was driving a 1994 FZJ 80 with 285 tires, weighing 6,250 pounds empty and not regeared. It was tuned up recently and the timing and compression tests are OK. I first noticed the problem in Denver and when I had some work done at Christo’s they commented on it on it being sluggish. I put some Toyota BG44 in the gas and it made a slight improvement. Driving on the Interstate to Grand Junction, there were spots when it was unable to go faster than about 30 mph. It was a heavily loaded vehicle likely well above 7,000 pounds. Off road it did OK except in one spot. What sort of speeds are normal on the Interstate for a FZJ 80 at high altitudes?

When I got back home, it appeared that the throttle positioning sensor was acting up and I replaced it. I got rebuilt fuel injectors from Man-a-Fre and the vehicle is doing better than I remember it doing in the past. Does anybody have other ideas on getting the vehicle ready for another trip? I will likely be hauling less stuff in the vehicle in the future—I brought a lot of camping and what I later realized was unnecessary recovery equipment.


You don't want to hear it but forced induction is the key to high altitude blues! I can do 65 on most any pass in my supercharged FZJ-80. Its all about how much your willing to spend for drivability!
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Originally Posted by Jacket View Post
Welcome. Lots of "northsiders" here in the club. We're known to have some of the strongest, coolest and most awesome club members.
Originally Posted by Red_Chili View Post
Cruisers are superior
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