The 3.4L TRD Supercharger Thread

[benjamin247]

I have a 5-speed manual with just the SC installed (no 7th injector kit). Is there a recommended RPM range when cruising? Wondering if it’s better to stay on 4th at roughly 3500 rpm or shift to 5th when crushing on the freeway.

 

[4Reak Show]

I have a 5-speed manual with just the SC installed (no 7th injector kit). Is there a recommended RPM range when cruising? Wondering if it’s better to stay on 4th at roughly 3500 rpm or shift to 5th when crushing on the freeway.

Supercharger has a bypass valve that is vacuum operated, meaning that during light and partial throttle the supercharger is not doing anything. So cruise as your normally would without a SC. If you need to pass or climb a hill, down shift rather that lug it in the 2-3000 rpm range.

If you kept it at 3500 your mpg would be atrocious.

 

[gamefreakgc]

Got a question. I found a 1st gen SC and I been reading the installation instructions. They have a tranny cable with the throttle cable. My 01 doesn't have this. So can I go on without it.

Yes, there was two throttle cable brackets with the newer kids so just keep that second half of the plate empty since you have the older style. If for some reason the throttle cable doesn't line up or fit right you might have to source that newer bracket style. A few guys on here make them I think. But you're good to install it anyway.

P.S. your throttle cable is a failsafe anyway. Your 4Runner will drive with it not even hooked up since you have a 2001 with the electronic throttle.

 

[mtbtim]

Toyota 5VZ-FE 3.4L V6 TRD Supercharger Nose Cone Rebuild

Hey Dudes,

[MENTION=102606]infamousRNR[/MENTION] and I have another video for you. If you wanted to know how to renew all the wear parts in your 2nd Generation TRD Supercharger Nose Cone, this video will show you how to get it done.

Happy Wrenching and Enjoy the Show!

<iframe width="560" height="315" src="https://www.youtube.com/embed/56KhWJPUevk" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

 

[middlebass]

I have a 2000 4Runner that I bought new and have had a TRD supercharger on it since one month after I got it. It has 270,000 miles on it. I have the same check engine light that has been causing a problem for 2 years. Neither the 2 local shops nor the Toyota dealer 60 miles away have a permanent fix for it. It has had a tune-up, new wires and a new fuel pump in the last 6 months. It was unused for four months last summer and ran terribly after that. I have been using fuel system cleaner or fuel injector cleaner in every tank of gas since September and it gradually got much better. Now after sitting for two weeks over Xmas, it is much worse again. The major symptom is stumbling as if it's not getting enough fuel or air. The dealer suggests it could now only be the supercharger or catalytic converter. I doubt the former because before Christmas at mid to high RPMs the supercharger power was great. I'm still looking for other ideas but think my next effort should be to replace the catalytic converter.

 

[gamefreakgc]

I have a 2000 4Runner that I bought new and have had a TRD supercharger on it since one month after I got it. It has 270,000 miles on it. I have the same check engine light that has been causing a problem for 2 years. Neither the 2 local shops nor the Toyota dealer 60 miles away have a permanent fix for it. It has had a tune-up, new wires and a new fuel pump in the last 6 months. It was unused for four months last summer and ran terribly after that. I have been using fuel system cleaner or fuel injector cleaner in every tank of gas since September and it gradually got much better. Now after sitting for two weeks over Xmas, it is much worse again. The major symptom is stumbling as if it's not getting enough fuel or air. The dealer suggests it could now only be the supercharger or catalytic converter. I doubt the former because before Christmas at mid to high RPMs the supercharger power was great. I'm still looking for other ideas but think my next effort should be to replace the catalytic converter.

Don't throw parts at it, especially an expensive catalytic converter until you post up what the codes are. We can help diagnose some causes for you to narrow it down.

The supercharger itself shouldn't throw codes. It's just a housing with spinning rotors, none of that throws a code. Could be a loose hose or something, or maybe a critter got in somewhere it should not have. I just tore down an engine that had a mouse nest next tucked under the intake next to the fuel injector wires. Also helped a buddy find a severed injector wire that a rat decided to eat.

 

[MarkamisPrime]

I have a 2000 4Runner that I bought new and have had a TRD supercharger on it since one month after I got it. It has 270,000 miles on it. I have the same check engine light that has been causing a problem for 2 years. Neither the 2 local shops nor the Toyota dealer 60 miles away have a permanent fix for it. It has had a tune-up, new wires and a new fuel pump in the last 6 months. It was unused for four months last summer and ran terribly after that. I have been using fuel system cleaner or fuel injector cleaner in every tank of gas since September and it gradually got much better. Now after sitting for two weeks over Xmas, it is much worse again. The major symptom is stumbling as if it's not getting enough fuel or air. The dealer suggests it could now only be the supercharger or catalytic converter. I doubt the former because before Christmas at mid to high RPMs the supercharger power was great. I'm still looking for other ideas but think my next effort should be to replace the catalytic converter.

Unplug your TPS and see if it gets better.
Mine was doing the same thing a while ago.
TPS was intermittent no cel either.
Symptom was stumbling also.

 

[4ranna]

Quick post that hopefully will help s/c owners; I've been on the hunt for a nose drive kit to refresh my supercharger/preventative maintenance. The original part (from the first post) is mostly NLA; or if you can find an online retailer it's going for $700+. For anyone looking for this at a more reasonable cost, I spoke to Magnuson who referred me to superchargersonline. As of Jan 2020, they sell:

Oil Kit - $59.99 - P/N 001-11200 (Oil, coupler, plug, loctite)
Snout Rebuild Kit - $159.99 - P/N 001-11205 (Bearings, oil, coupler, seal, tool to install seal)
Full built snout (nose cover) - $325 P/N M-15-0045-400-BL (requires oil kit above)

All prices + Tax & Shipping

Hope that helps others looking to refresh/maintain their S/C

PS shout out [MENTION=120071]mtbtim[/MENTION] for such amazing and informative work - your video got me on the hunt to find the parts. Everyone needs to check it out (and the other stuff on their channel)!

 

[4ranna]

Some other info I got - superchargers online offer a full rebuild service for the S/C in two variations:

1 - Minor rebuild (exc rotor) - approx $800
2 - Full rebuild with new rotor and 1yr warranty $1700

There's a 10-15 day turnaround time after you send in your s/c

edit: forgot to add, both the above quote and the snout rebuild quotes are for the 2nd Gen black supercharger

 

[UnderFire]

Anyone know where I could find a pigtail for the TRD 7th? Looking to adapt the injector already installed to a URD FTC. Not sure where to find the harness I need.

Sent from my JSN-L23 using Tapatalk

 

[gamefreakgc]

Anyone know where I could find a pigtail for the TRD 7th? Looking to adapt the injector already installed to a URD FTC. Not sure where to find the harness I need.

Sent from my JSN-L23 using Tapatalk

Oh gosh, the mythical TRD 7th injector. I've never seen one in person and the last one I saw for sale online went for over $1500. That's going to be a tough find... Even the install instructions for the TRD supercharger makes no mention of it anywhere. Got any friends or contacts at a Toyota dealership that could do some sleuthing?

 

[UnderFire]

Oh gosh, the mythical TRD 7th injector. I've never seen one in person and the last one I saw for sale online went for over $1500. That's going to be a tough find... Even the install instructions for the TRD supercharger makes no mention of it anywhere. Got any friends or contacts at a Toyota dealership that could do some sleuthing?

Haha, the injector setup itself is great, but the computer they came with is leagues behind the URD setup, that's expected being 20 year old tech. No help on the Toyota end, it doesn't appear to be a denso style sensor like any OE Toyota of the same Era, I'll be messaging around injector specialists to try and I.D. the type of injector used.

Closest looking I could find is a Bosch EV1 style, fairly common aftermarket injector so for 4 bucks I went ahead and got a pigtail coming.

Sent from my JSN-L23 using Tapatalk

 

[Jcorral88]

What is this part guys?

Hey guys so I believe this sounds it leaking air out of the side. What is the part circled in blue?

 

[Black798]

That's the bypass valve tube. At light throttle it bypasses the supercharger rotors and directs the air straight into the intake for better mileage. The first gens are pretty notorious for leaking there

 

[Lamer]

Did a compression check this morning to see if I am safe to install the supercharger i have sitting on my workbench (plus URD 7th injector)

1: 180 (twice)
2: 198
3: 195
4: 195
5: 198
6: 195

my only concern is Cylinder 1 at 180psi.

is this a real concern? or am i OK to install a supercharger?

 

[gamefreakgc]

Did a compression check this morning to see if I am safe to install the supercharger i have sitting on my workbench (plus URD 7th injector)

1: 180 (twice)
2: 198
3: 195
4: 195
5: 198
6: 195

my only concern is Cylinder 1 at 180psi.

is this a real concern? or am i OK to install a supercharger?

The FSM says to address cylinders with more than a 15 PSI difference. However, before you go and throw the supercharger in the trash and pay for an engine swap, that's the IDEAL PSI difference. Running boost on a cylinder with slightly lower PSI does not endanger the engine itself. It just makes less power in that cylinder.

I ran the supercharger with the 2.1" pulley at 11 PSI on a cylinder with 60 PSI. The piston rings were worn out and allowing air to slip past but there was no ill effect on the engine itself. It just made less power. Install with confidence.

If you aren't sure if you should, take a look at the video of my dyno run on the first page of my build thread: Jerod's Supercharged TRD Build - Toyota 4Runner Forum - Largest 4Runner Forum. Sure doesn't sound like an issue to me!

 

[Speedy]

You can also put a dab of oil in that cylinder and re-run the test to see if compression comes up. Will help point to why the difference, but I agree with gamefreakgc.

 

[Ed_C]

Did a compression check this morning to see if I am safe to install the supercharger i have sitting on my workbench (plus URD 7th injector)

1: 180 (twice)
2: 198
3: 195
4: 195
5: 198
6: 195

my only concern is Cylinder 1 at 180psi.

is this a real concern? or am i OK to install a supercharger?

That's less than a 10% variation, which is ok for compression test results.

 

[Lamer]

The FSM says to address cylinders with more than a 15 PSI difference. However, before you go and throw the supercharger in the trash and pay for an engine swap, that's the IDEAL PSI difference. Running boost on a cylinder with slightly lower PSI does not endanger the engine itself. It just makes less power in that cylinder.

I ran the supercharger with the 2.1" pulley at 11 PSI on a cylinder with 60 PSI. The piston rings were worn out and allowing air to slip past but there was no ill effect on the engine itself. It just made less power. Install with confidence.

If you aren't sure if you should, take a look at the video of my dyno run on the first page of my build thread: Jerod's Supercharged TRD Build - Toyota 4Runner Forum - Largest 4Runner Forum. Sure doesn't sound like an issue to me!

You can also put a dab of oil in that cylinder and re-run the test to see if compression comes up. Will help point to why the difference, but I agree with gamefreakgc.

That's less than a 10% variation, which is ok for compression test results.

well then, looks like its a good thing I installed the upgraded fuel pump from URD today then huh?

thanks for the input everyone, confidence booster for sure. Cant wait for power!

 

[Clumsy me]

Hey guys,

Thank you for all the help over the past year with my junkyard supercharger project and rebuild.

The 4runner is moving on to a family member but I will be removing the supercharger. So now I need a bit more help with what is this thing worth?

Gen 1 supercharger - Fully rebuilt (All bearings, Gaskets, Coupler)
Dynamic tensioner
Every piece needed to install


Let me know guys.