01-23-2020, 04:26 PM
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#3751
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,336
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,336
Real Name: Jerod
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Quote:
Originally Posted by 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.
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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?
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01-23-2020, 08:52 PM
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#3752
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Senior Member
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Join Date: Dec 2012
Location: Dayton, OR
Posts: 3,042
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Senior Member
Join Date: Dec 2012
Location: Dayton, OR
Posts: 3,042
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Quote:
Originally Posted by gamefreakgc
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 $1500. That's going to be a tough find... Even the install instructions for the TRD supercharger makes no mention of it anywhere. Got any friends or contacts at a Toyota dealership that could do some sleuthing?
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Haha, the injector setup itself is great, but the computer they came with is leagues behind the URD setup, that's expected being 20 year old tech. No help on the Toyota end, it doesn't appear to be a denso style sensor like any OE Toyota of the same Era, I'll be messaging around injector specialists to try and I.D. the type of injector used.
Closest looking I could find is a Bosch EV1 style, fairly common aftermarket injector so for 4 bucks I went ahead and got a pigtail coming.
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The "shitmobile" 500$ 3RZ Auto 4Runner - ( Saved from the Scrapyard: Resurrecting a 500$ 3rd Gen
02 Tacoma Double Cab, mid-travel, locked, armored, supercharged and riced. (Longbed and 5 speed in the works)
Last edited by UnderFire; 01-23-2020 at 08:59 PM.
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01-26-2020, 03:28 PM
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#3753
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Junior Member
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Join Date: Jan 2020
Location: Greeley
Posts: 1
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Junior Member
Join Date: Jan 2020
Location: Greeley
Posts: 1
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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?
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01-27-2020, 01:09 AM
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#3754
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Member
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Join Date: Mar 2015
Location: Bozeman, Montana
Age: 25
Posts: 917
Real Name: Phoenix
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Member
Join Date: Mar 2015
Location: Bozeman, Montana
Age: 25
Posts: 917
Real Name: Phoenix
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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
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01-28-2020, 06:04 PM
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#3755
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Member
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Join Date: Jan 2012
Location: Houston, TX
Age: 35
Posts: 498
Real Name: Jake
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Member
Join Date: Jan 2012
Location: Houston, TX
Age: 35
Posts: 498
Real Name: Jake
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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?
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01-30-2020, 02:51 PM
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#3756
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,336
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,336
Real Name: Jerod
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Quote:
Originally Posted by 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?
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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 T[u]RD Build - Toyota 4Runner Forum - Largest 4Runner Forum. Sure doesn't sound like an issue to me!
Last edited by gamefreakgc; 01-30-2020 at 02:53 PM.
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01-30-2020, 02:57 PM
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#3757
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Member
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Join Date: Aug 2006
Location: Middle TN
Posts: 784
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Member
Join Date: Aug 2006
Location: Middle TN
Posts: 784
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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.
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01-30-2020, 02:59 PM
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#3758
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Senior Member
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Join Date: Oct 2011
Location: New Jersey
Posts: 1,837
Real Name: Ed
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Senior Member
Join Date: Oct 2011
Location: New Jersey
Posts: 1,837
Real Name: Ed
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Quote:
Originally Posted by 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?
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That's less than a 10% variation, which is ok for compression test results.
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01-30-2020, 06:00 PM
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#3759
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Member
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Join Date: Jan 2012
Location: Houston, TX
Age: 35
Posts: 498
Real Name: Jake
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Member
Join Date: Jan 2012
Location: Houston, TX
Age: 35
Posts: 498
Real Name: Jake
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Quote:
Originally Posted by gamefreakgc
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 T[u]RD Build - Toyota 4Runner Forum - Largest 4Runner Forum. Sure doesn't sound like an issue to me! |
Quote:
Originally Posted by 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.
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Quote:
Originally Posted by Ed_C
That's less than a 10% variation, which is ok for compression test results.
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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!
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The Sequel - 1996 4Runner SR5 - Houston, TX
The Original - 2001 4runner SR5 - SOLD
Etsy Page - Custom Pinstriping and Sign Making
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02-19-2020, 03:06 PM
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#3760
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Member
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Join Date: Jun 2013
Location: Nashville
Posts: 61
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Member
Join Date: Jun 2013
Location: Nashville
Posts: 61
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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.
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02-19-2020, 06:04 PM
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#3761
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Elite Member
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Join Date: Jun 2011
Location: Shangrila
Posts: 5,037
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Elite Member
Join Date: Jun 2011
Location: Shangrila
Posts: 5,037
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You can soak the low cylinder with seafoam to see if compression goes up. Could be a stuck ring.
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02-19-2020, 08:00 PM
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#3762
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,336
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,336
Real Name: Jerod
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Quote:
Originally Posted by 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.
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At best, $2500. I see good used ones going for around $2000 much more often though.
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02-21-2020, 05:35 PM
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#3763
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Member
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Join Date: Aug 2016
Location: Napa
Posts: 784
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Member
Join Date: Aug 2016
Location: Napa
Posts: 784
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Quote:
Originally Posted by 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.
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Put it on eBay and let the bidding war begin
I’ve seen them go for 4k
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02-21-2020, 05:45 PM
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#3764
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Member
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Join Date: Feb 2019
Location: Los Angeles, CA
Posts: 33
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Member
Join Date: Feb 2019
Location: Los Angeles, CA
Posts: 33
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Quote:
Originally Posted by 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.
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Can I borrow it for a bit? Just to see if I need to buy it. But not for $4k lol
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03-05-2020, 01:43 PM
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#3765
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Member
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Join Date: Apr 2016
Location: Golden, Colorado
Posts: 57
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Member
Join Date: Apr 2016
Location: Golden, Colorado
Posts: 57
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Hey guys! I have the Magnuson SC, URD 7th Injector and 2.2" pulley installed on my 2000 5-speed. I have been playing around with my tuning maps a bit and I am getting good results. I grabbed some data on the R4 software last night and I have some questions on some of the results...
The URD AIC is seeing max MAP pressure of 7.2 psi (I'm at 2880' in the miserable city of Midland). My boost gauge is showing closer to 9-10 psi. Is this similar to what you all are seeing with this pulley size? and why might there be this discrepancy in pressure readings?
Does anyone know what Injector B is referring to? Injector A should be the 7th injector, I believe...
Injector A showed max duty cycle of around 54% during my 1st-3rd gear pull. Is this the actual duty cycle or do I need to multiply it x2 like in the fuel map? I'm assuming that this is the actual value since I'd be shocked to be maxing out the extra injector...
Below is a data log from the pull.
 1-3 gear pull safe map Midland by , on Flickr
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