I get a call from the Service Manager a few minutes ago. This is the first SC install that they'll be doing on the Tundra. He says when he calls Toyota to ask questions about the install, Toyota tells him to inform customers that they have to have premium fuel running through the engine preceeding the installation. If not, then not only is the supercharger warranty voided, so is any remaining powertrain warranty pertaining to the engine.

When I used to put Whipples on my Chevys, I only had to worry about having premium in it immediately after installation.

The Service Manager informed me to run the current tank empty and make sure premium is put in the day before I drop the truck off.

Please keep this in mind and let anyone else know, who might be adding the TRD supercharger.

Sounds like a load of to me, or at the very least, a gross overreation.

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2007 Toyota Tundra 4x4 DC SR5 5.7

You have to run 91 or better with the supercharger. Maybe they just need to be sure it's in the truck when the supercharger is installed. Maybe it saves them time when installing if they know that premium is already in the tank.

So TundraFL, I'm guessing you are taking the scenic route home for a couple of days to burn off any extra gas.

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2007 SR5 Crewmax 5.7L 4x4
Mods: nerf bars, Truxedo tonneau, radar detector power, fog lights, black billet grille, rear differential breather, parking sensors, Line-X, power tailgate lock, hood safety latch mod, one off driving lights behind grille, Pioneer NAV w/ OEM camera, Flowmaster 50 SUV dual/dual, blue LED dash lights, Volant CAI
All mod descriptions and pictures © 2007,2008 by Toxarch. They may be copied only for personal use and the mods may be done for non-profit only.

Can't you just add an octane booster?

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2008 Tundra Limited

With the running to & from the football field these days, it won't take long to burn that gas! Although, I had some Series 40s installed and my instant mpg jumped 2 spots. Still makes no sense to me how I can increase hp, yet increase mpg at the same time. I'm now getting 16-18 on the expressway. Used to get 14-16.

As for the premium fuel, I'll listen to the experts. Being new to this area, I don't have a relationship with a dealer yet, therefore no one to give me some special consideration should something happen.

Those little bottles of octane booster work out to about a .2 increase in octane rating.