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Old 06-28-2019, 06:07 PM #1
Battle Born Offroad Battle Born Offroad is offline
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Magnuson Supercharger Overview!



Unleash the true potential of your 1GR-FE 4.0L V6 with the Magnuson Roller Rocker Supercharger System!
Magnuson is proud to announce the 2010-Present 4Runner and 2010-2014 FJ Cruiser Supercharger System is available. At around 6 PSI the kit gives customers 30% increase over stock on horsepower, and a 28% increase in torque. The supercharger system is a positive displacement, roots style kit, utilizing Eaton's lightweight TVS rotors. Cast and assembled as a single, OEM-style-manifold and rotating group housing, the unit is quiet, compact, attractive, easy to install, and requires little to no extra maintenance.

Features:
30% hp & 28% lbs-ft increase at the crank in standard kit form on an unmodified truck
CARB certification (D-488-43)
Installs can be completed within one day.

California Legal!!! Dont worry about not passing emissions!

Specifications:
TVS 1320 Hybrid-roots supercharger
100% complete bolt-on system
High volume charge air cooling system
No hood modifications are required
More power in a smaller package
Delivers a proven increase in real world "under the curve" power
High thermal efficiency
High helix four-lobe rotors with 160 degrees of twist
Redesigned inlet and outlet ports
Improved air-handling characteristics
Acoustically designed for noise and vibration reductions
Independent supercharger drive system
Handheld Device and directions provided for calibration

Warranty info:
All Magnuson SCs come with a 3 year / 36,000-mile warranty if you have it installed by a dealer or an ASE certified technician. There is also an optional $500 5 year / 60,000-mile warranty available for purchase. As long as you keep everything stock on your 4Runner, your warranty will cover replacement of your engine and a new supercharger.

MSRP: $5965
Click Here To Purchase Today!






Last edited by Battle Born Offroad; 10-30-2019 at 02:34 PM.
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Old 06-28-2019, 08:23 PM #2
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Im very pleased with mine. Dealer installed. Only have a tick over 3K miles, but dont foresee any problems. Upgraded from a 13 Limited and there is no comparison. Even in normal driving, the engine sounds better. Has sort of a faint growl. Over 3K RPMs, you definitely get blower whine, almost sounds electric and not like its gonna puck its guts out. Millage, so far, is about the same as my 13. No regrets.
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Old 06-28-2019, 08:38 PM #3
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How will this affect engine service life? How about transmission not being designed for the extra torque and horsepower? Does engine "computer" need to be reprogrammed?
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Old 06-28-2019, 09:02 PM #4
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Quote:
Originally Posted by Gyprat View Post
How will this affect engine service life? How about transmission not being designed for the extra torque and horsepower? Does engine "computer" need to be reprogrammed?
Basically, it's not that much more power to worry about. If the stock transmission doesn't have an external cooler, then maybe that's all the extra you'd want just for peace of mind. I can't see a valve body, torque converter or even internal or engine upgrades being needed for such little gains.

With that said, is it worth it? Most likely. I'm very interested in getting one myself. My Toyota dealer already told me they won't install it but I'm on the hunt to retain that warranty.

Disclaimer: I don't have experience with this particular vehicle but I do with boosting another. I tripled the wheel power and it was very, very involved. I'm not worried about slapping this on the 4 Runner at all.
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Old 06-28-2019, 09:06 PM #5
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Amazed by how expensive it still is considering how old the set up is.
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Old 06-28-2019, 09:15 PM #6
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Quote:
Originally Posted by whtout View Post
Disclaimer: I don't have experience with this particular vehicle but I do with boosting another. I tripled the wheel power and it was very, very involved. I'm not worried about slapping this on the 4 Runner at all.
I feel your pain. I boosted a Mercedes I had to about double the WHP and you're not kidding when you say very, very involved. We touched every part of the drivetrain except the axles, lol. Plus, more coolers. Plus, gotta do the brakes now. Plus, gotta tune the suspension. Plus... Plus... Plus...

All that said, the Magnuson kit looks really well considered. I read through the instructions and my dolt nephew could manage the install in a day. 350/350 is plenty of power for these trucks.

Last edited by Dr. Monkeypants; 06-28-2019 at 09:19 PM.
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Old 06-28-2019, 09:16 PM #7
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I wonder if a supercharger will improve the towing rating on the vehicle. I don't know what really limits the towing weight to 5,000 lbs. Is it the power train, brakes or both?

BTW, I did install a large auxiliary transmission cooler with an aftermarket 180 degree transmission cooler thermostat. Also, I replaced the factory WS transmission fluid with Amsoil, 100% synthetic Signature Fuel Saving ATF. The OEM fluid was brownish at 20k miles! Glad it was replaced. Now,transmission temperature stays at around 160 degrees (+/-5) during summer and at around 150 degrees in winter months. It seems to shift better too.
I'm curious if these mods will allow me to tow a 6,000 lbs travel trailer?
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Old 06-28-2019, 09:32 PM #8
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Quote:
Originally Posted by Gyprat View Post
I wonder if a supercharger will improve the towing rating on the vehicle. I don't know what really limits the towing weight to 5,000 lbs. Is it the power train, brakes or both?
Weight that your tires and suspension can hold. Most big trucks have dual tires because, well, more tires equals more weight. Brakes are also a factor but torque (not horsepower) is generally good or isn't when it comes to towing. I can almost say, you can tow anything with any engine, just how efficient will it be?



Quote:
Originally Posted by Dr. Monkeypants View Post
I feel your pain. I boosted a Mercedes I had to about double the WHP and you're not kidding when you say very, very involved. We touched every part of the drivetrain except the axles, lol.
Haha, same. The only thing stock on my drivetrain is literally the axles. It's an old Lexus IS300... in fact, the driveshaft is from a 4x4 Sequoia.

Last edited by whtout; 06-28-2019 at 09:36 PM.
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Old 06-29-2019, 12:39 AM #9
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Quote:
Originally Posted by Gyprat View Post
I wonder if a supercharger will improve the towing rating on the vehicle. I don't know what really limits the towing weight to 5,000 lbs. Is it the power train, brakes or both?

BTW, I did install a large auxiliary transmission cooler with an aftermarket 180 degree transmission cooler thermostat. Also, I replaced the factory WS transmission fluid with Amsoil, 100% synthetic Signature Fuel Saving ATF. The OEM fluid was brownish at 20k miles! Glad it was replaced. Now,transmission temperature stays at around 160 degrees (+/-5) during summer and at around 150 degrees in winter months. It seems to shift better too.
I'm curious if these mods will allow me to tow a 6,000 lbs travel trailer?
It was a mistake to replace the atf. You should change it back. Toyota atf is better than any aftermarket oil for that transmission. https://www.google.com/url?sa=t&sour...N8ZFOD4xbU2nov

The tow rating limit is unclear. But is likely both transmission cooling and the rear hitch. Over 5k and a better hitch is a good idea. Like the gx460 hitch. Should be bolt on.
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Old 06-29-2019, 01:02 AM #10
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Quote:
Originally Posted by Gyprat View Post
I wonder if a supercharger will improve the towing rating on the vehicle. I don't know what really limits the towing weight to 5,000 lbs. Is it the power train, brakes or both?

Last I read only the manufacturer can legally raise the tow, gvw and gcwr. The 4runner really only good for moderate weight over small distances. Anything near or above max weight should be done by a bigger vehicle. Renting a Uhaul for the weekend is cheaper and safer than upgrading the 4runner.
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Old 06-29-2019, 06:26 PM #11
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How will this affect engine service life? How about transmission not being designed for the extra torque and horsepower? Does engine "computer" need to be reprogrammed?
Here ya go. YouTube
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Old 06-29-2019, 06:42 PM #12
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Interested! Sent a private message.
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Old 06-29-2019, 11:43 PM #13
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Quote:
Originally Posted by Friggin Idiot View Post
348 RWHP... that's not bad. My URD/Whipple kit dyno'd at 423 RWHP.
Your dyno sheet says 309 whp. Where did you get 423rwhp? New mods? Smaller pulley? 423rwhp would be nasty tho.
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Old 06-30-2019, 11:17 AM #14
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Quote:
Originally Posted by whtout View Post
Weight that your tires and suspension can hold. Most big trucks have dual tires because, well, more tires equals more weight. Brakes are also a factor but torque (not horsepower) is generally good or isn't when it comes to towing. I can almost say, you can tow anything with any engine, just how efficient will it be?
IIRC, the GX460 is heavier, with a more powerful engine, 6 speed automatic transmission, but nearly identical frame/suspension and has 6500 lb tow rating. Curious what changes allow for the higher tow rating.
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Old 06-30-2019, 03:25 PM #15
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Originally Posted by Axix23 View Post
Your dyno sheet says 309 whp. Where did you get 423rwhp? New mods? Smaller pulley? 423rwhp would be nasty tho.
My mistake, 423hp was the calculated flywheel number after we ran for the drivetrain loss. That was the dyno sheet they gave me on the initial install. Have another one somewhere I need to scan after we got the exhaust sealed and fixed all the CELs.
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