06-22-2020, 05:26 PM
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#76
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
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Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
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Posts: 7,338
Real Name: Jerod
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Quote:
Originally Posted by Myrunr2010
Mercy of the stock I believe. I’m not sure there is a need to tune it though. The TRD supercharger runs 7psi with no fuel mods or tune.
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It does, but at WOT can run as lean as 15 AFR's. There's another guy who did a turbo build on here with no change to the fuel system and he melted a piston. Even Clownmeat had a older URD fuel/timing calibrator on his build. But, you do have an AFR gauge so that's good, you can at least keep an eye on it.
If you do decide to add more fuel, the "pink tops" that many 2RZ guys use on their turbo Tacomas may work very well for your application, heck you might even have a set on your engine, not sure if the 3RZ do too.
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06-22-2020, 07:25 PM
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#77
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Member
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Join Date: Jul 2014
Location: Newport News
Age: 36
Posts: 783
Real Name: Dave
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Member
Join Date: Jul 2014
Location: Newport News
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Real Name: Dave
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Quote:
Originally Posted by gamefreakgc
It does, but at WOT can run as lean as 15 AFR's. There's another guy who did a turbo build on here with no change to the fuel system and he melted a piston. Even Clownmeat had a older URD fuel/timing calibrator on his build. But, you do have an AFR gauge so that's good, you can at least keep an eye on it.
If you do decide to add more fuel, the "pink tops" that many 2RZ guys use on their turbo Tacomas may work very well for your application, heck you might even have a set on your engine, not sure if the 3RZ do too.
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I’ll have to do some research into this pink top and see what it’s all about. I hadn’t really considering wandering over to the Tacoma forums to see what they do.
I know clownmeat ran his with the stock fuel system for a while and eventually upgraded his fuel pump to richen it up some. Since i mostly did the upgrade for more power when towing, I don’t foresee myself doing too many WOT runs...once the newness wears off, lol.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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06-22-2020, 09:39 PM
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#78
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,338
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,338
Real Name: Jerod
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Quote:
Originally Posted by Myrunr2010
I’ll have to do some research into this pink top and see what it’s all about. I hadn’t really considering wandering over to the Tacoma forums to see what they do.
I know clownmeat ran his with the stock fuel system for a while and eventually upgraded his fuel pump to richen it up some. Since i mostly did the upgrade for more power when towing, I don’t foresee myself doing too many WOT runs...once the newness wears off, lol.
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Performance | Toyota Tacoma Forum is where I poke around and ask about performance tips. You'll see my thread on there asking about 3" intakes. The forum is sort of dead from it's hayday but the search uncovers and absolute wealth of knowledge about turbo and supercharged builds.
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06-28-2020, 08:12 PM
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#79
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Join Date: Jul 2014
Location: Newport News
Age: 36
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Real Name: Dave
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Member
Join Date: Jul 2014
Location: Newport News
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Real Name: Dave
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Few updates after a week or so of driving it around.
I tightened up all my t-bolt clamps (except one, which I broke), boost seems to be coming on much earlier/stronger. Can't wait to get the new one in tomorrow and see how it reacts with no leaks.
I did some research before installing my oil lines on the turbo to determine if i should use a restictor in line. All the turbo experts/manufactures recommend for a journal bearing turbo to use no restrictor, but most people say they use one. I opted for the experts opinion, but im getting an awful lot of oil in my charge line. I'm gonna look around for one that's the right size to put in line.
My sump seems to be working good for letting the turbo drain out when I shut it down, as i've been seeing no smoke on start up or anything, but i mounted it on the inside of the frame rail and its not been able to stand up to the heat.
Went and picked this up from my folks place tonight, which is ~30 minute away down the highway. I used to struggle when it on the highway, i'd have to stay in 4th just to keep up with folks at highway speeds. I was now able to comfortably cruise in 5th. Boost jump anywhere from 0 to 3psi while i was pulling it home. Overall very happy with how much better it pulled.
So about 5 minutes out from my house I started billowing smoke real real heavy out of the tail pipe (see video below). Got pulled over and noticed that my scavenge pump wasn't working. I guess it has a thermal overload on it that shuts it down if it gets too hot. Currently my pump is also mounted on the side of the frame rail next to the exhaust. So im planning to mount it and a new sump on the outside of the frame rail in order to help sheild it from any heat. This will also simplify my intake routing since there won't be anything between the exhaust and frame rail to dodge.
YouTube
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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07-11-2020, 04:34 PM
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#80
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Join Date: Jul 2014
Location: Newport News
Age: 36
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Real Name: Dave
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Member
Join Date: Jul 2014
Location: Newport News
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Real Name: Dave
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Just a short update.
Moved the pump to the outboard side of the frame rail and made the reverse trip of the week before and it ran just fine, no issues.
Found a 0.075 oil restricter that’s a 4an male to female (biggest I could find when searching for restricters). Installed it this morning. Hopefully it’ll cut down on the amount of oil in my intake. It was starting to cause the truck to idle high from oil coating the throttle body.
Going to start ordering/running all my hardline intake next. Get rid of all the flexipipe, I think that’s probably hindering performance quite a bit.
Also, averaged my gas mileage over the last 20 fillips and I’ve averaged 12.73. Be curious to see how/if that changes dramatically at all due to the turbo.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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07-11-2020, 05:22 PM
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#81
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,338
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,338
Real Name: Jerod
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Quote:
Originally Posted by Myrunr2010
Just a short update.
Moved the pump to the outboard side of the frame rail and made the reverse trip of the week before and it ran just fine, no issues.
Found a 0.075 oil restricter that’s a 4an male to female (biggest I could find when searching for restricters). Installed it this morning. Hopefully it’ll cut down on the amount of oil in my intake. It was starting to cause the truck to idle high from oil coating the throttle body.
Going to start ordering/running all my hardline intake next. Get rid of all the flexipipe, I think that’s probably hindering performance quite a bit.
Also, averaged my gas mileage over the last 20 fillips and I’ve averaged 12.73. Be curious to see how/if that changes dramatically at all due to the turbo.
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I just ordered an intake from siliconeintakes.com. They have all sorts of sizes and configurations at decent prices. What sold me is that they have a generous return policy. As long as it's unmodified, all extra parts can be returned with no questions asked for a full refund, just pay return shipping. I ordered a bunch of different bends and tubing options and will just return the rest.
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07-11-2020, 06:06 PM
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#82
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Join Date: Jul 2014
Location: Newport News
Age: 36
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Real Name: Dave
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Member
Join Date: Jul 2014
Location: Newport News
Age: 36
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Real Name: Dave
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Quote:
Originally Posted by gamefreakgc
I ordered a bunch of different bends and tubing options and will just return the rest.
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This is how I treat Lowes on any home reno project. I’ve literally bought $100 in plumbing connections before and returned $75 worth, lol.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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08-05-2020, 05:13 PM
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#83
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Join Date: Jul 2014
Location: Newport News
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Join Date: Jul 2014
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Just an update.
Love the turbo, under normal driving conditions i don’t really see boost, but the power is there if I need it, which is probably the best scenario for the longevity of my motor.
Still have a boost leak. It’s the gasket between the T.B. and intake manifold. I’m not in any huge rush to replace it.
Scavenge pump going out that day seems to have put some wear on the seals, I see a little oil out the tail pipe now.
The inline restricter I put on seems to be perfect. Not seeing the same amount of oil in my charge piping now.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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10-22-2020, 09:06 PM
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#84
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Join Date: Jul 2014
Location: Newport News
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Join Date: Jul 2014
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My DIY sump is about to go (as in, I’m annoyed with it), I’ve noticed if I don’t leave the key in ACC for 20-30 seconds after turning the car off, I get more smoke on start up. So I bought a delay-off relay that I’m going to wire to the scavenge pump and a check valve that I’ll put at the pump exit. Relay comes in this weekend, hopefully I’ll get it put in this weekend.
Delay-off relay
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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10-25-2020, 12:21 PM
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#85
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Join Date: Jul 2014
Location: Newport News
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Join Date: Jul 2014
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My delay-off relay is installed and seems to be working great. Right now it’s set to go off after about 30 seconds. Check valve hasn’t come in yet, but I’m excited about the relay.
I used this for wiring instructions.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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11-02-2020, 08:54 PM
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#86
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Join Date: Jul 2014
Location: Newport News
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Join Date: Jul 2014
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Check valve is in. I was able to reroute my oil return lines too since I’m no longer using the sump, looks much better under the vehicle. When I disconnected the return line coming out of the base of the turbo, I had ~12oz of oil come out, which would certainly explain why I’m still getting so much smoke out of the tail pipe. So hopefully all this makes a big difference.
First picture is the elbow right after my muffler, gives a little bit of an idea of how much oil has been getting pushed though (and how many pin holes in my weld joints).
Second picture is my intake pipe going into the throttle body. Hopefully these changes make a difference in that too.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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11-02-2020, 08:59 PM
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#87
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Member
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Join Date: Jul 2014
Location: Newport News
Age: 36
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Real Name: Dave
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Join Date: Jul 2014
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Real Name: Dave
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Also did some troubleshooting on my boost leak, which I’ve still not 100% nailed down. I replaced the throttle body to intake manifold gasket, and my leak rate is better than it was, but I’m still losing boost somewhere around the throttle body. Did some research today and I think maybe the gasket for the idle air control valve is bad and I’m getting a slight leak by there? I’m going to order a gasket and hopefully I’ll get time this weekend to get it installed.
Longer range updates - I want to change how my oil return is. Not happy with how I have it going in to the oil cap. Makes it a hassle to the oil cap on and off. Like I said though, longer range.
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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11-04-2020, 05:58 PM
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#88
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Elite Member
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Join Date: Mar 2016
Location: Pasadena, CA
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Have you done anything with the air source for the air assist fuel injectors?
-Charlie
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'99 4Runner SR5 Auto - 4WD swapped
'89 Camry Alltrac LE 3S-GTE 5spd
'17 Chevy Volt Premier
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Previous: '88 Camry Alltrac LE 3S-GE BEAMS, 90 Camry 3S-GTE, 90 Camry DX, '03 WRX wagon, '08 Outback XT
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11-04-2020, 09:59 PM
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#89
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Join Date: Jul 2014
Location: Newport News
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Join Date: Jul 2014
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Quote:
Originally Posted by phattyduck
Have you done anything with the air source for the air assist fuel injectors?
-Charlie
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Not sure exactly what you’re asking, but I think the answer is the same either way. No? Still using the stock air box. All the vacuum lines that were plumbed to it are still plumbed to pull a vacuum. Only difference is the intake line grew by like 15’ and now half of it gets boosted. Not sure if that answered your question or not?
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97 4runner SR5 3.4 manual
Tundra/LC Lift with Bilstein 5100's on 285/70/17 BFG KO2
2" "Fat Pats" body lift; 1.25" All Pro wheel spacers
Turbo Build; Rear Bumper Build; Front Bumper Build
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11-05-2020, 01:55 AM
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#90
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,338
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,338
Real Name: Jerod
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Quote:
Originally Posted by phattyduck
Have you done anything with the air source for the air assist fuel injectors?
-Charlie
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I thought about that too when I saw his last post but unlike a supercharger that needs a one-way valve, a turbo is pressurized all the way up to the MAF. I don't think it would have a way to leak? Just boost pressure making it's way in with the injector pulses.
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