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Location: Austin, TX
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Turbo Cheater? Increasing MPG
OK, so I'm new member, but have been browsing and using the forum for some time now.
2001 F250 4x4
crew cab short bed
2" lift, 35" tires, BD 80hp chip, K&N Filter
So while drinking a few beers at a family event this past weekend someone mentioned what he called a "Turbo Cheater". As he explained, it is a DIY mod to change when the turbo would kick in. As most know the magic number for most PSDs seems to be around 2000rpm. This mod would effectively increase the rpm needed to activate the turbo. I could not entirely follow his entire explanation as I think the beers were effecting his speech. But it sounded like there is an intake or vacuum line that can be reduced in size or disconnected. It sounded very simple, but this was the first I had heard of it and I have not been able to find any information on it.
So has anyone heard of this or something similar?
A second question along a similar line... Is there any mods that can be made to turn off the turbo while at cruise speeds? I typically like to run 75mph down the interstate, which is right at 2000-2100 rpm. Of course this is when I can hear the turbo kick on and off, so to avoid this I slow down to 70-72mph. But as soon as I hit a small grade or hill, the turbo kicks in to keep the speed up.