Turbo Charging A Tundra!

Will do!

 

That trans area is pretty tight, and the observations could have been during any part of my season. Early on I was fighting the joint at the crossover and uppipe, then the exhaust wrap got damaged trying to get it installed, which didn't show until after a few heat cycles. I am highly confident the planned fixes will handle all of it. That DEI heat map is a huge help and it will match your other product well, too since the dimpled aluminum layer faces out.

 

Yes those calzones are perfect too. Maybe an early Taco lunch and a late calzone diner! LOL

 

Right and just to clarify for the people in the back. Nothing stopped any of your towing and planned family outings. What we are doing is purely taking the time to see what the abuse you put on it has done to the kit and surrounding components and with a few simple and low cost additions, you'll be even better for next season

 

This. 100000000% this. There is zero being discussed here that is an issue, as the last 30 pages of this thread have discussed and proven.

I was onwards to Stage 2 even without any of this nerds being nerds stuff.

BL: I'm OCD. The discussion came about because the opportunity to really look hard, while standing up up underneath it with direct sunlight levels of lighting, and poke around under a 60k mile truck and say "hmmm, I wonder if we could try BLAH... do you think?" to which we both just looked at each other and shrugged. And here we are a few posts into that. Nothing was a concern, not even close. Just an opportunity to chase the voices in my head.

 

Just picked up the thermal coated hot parts for Brians truck (Thank you Brian). We have also updated this as an option on both kits...

1) Turbo, Uppipe and Downpipe - $495.00
2) Turbo, Uppipe, Downpipe and Crossover - $695.00

https://www.turbokits.com/turbo-kits/toyota/tundra-turbo-kits.html

 

love it in Vantablack lol

 

Listen, I like bling. I like stainless. But that looks fantastic and I can't wait to see how well it performs (both heat retention and durability in New England winters). Thank you for pulling strings with your vendor to get this turned around in less than a week. I can't wait to see how all of this works out. Almost sad to cover that in the DEI heat mat in the engine bay, but even that will be much cleaner than what I've been able to do to date. Looking forward to seeing progress photos!

 

Ha Ha, I know, it does look nice, and is a shame to cover it, but added heat protection is always a win!

 

Added these switches to control any turbo related stuff. I like it a lot and looks perfect for this! This will control a relay box. So far the water/meth. and SCG-1 boost controllers will be connected to these relay-switches. The idea is to use the acc. power to activate the relays if the switch is in ON position. The intention is that all systems will be turned ON by default when the truck is ON but if for any reason a have to deactivate any of them, it will be just matter to turn off the desired system using the assigned switch. Also, I want to add a set of exhaust cutout valves that can be controlled using one of these switches too . First, I need to confirm with @TurboKits if these cutout vales can be used with the turbo kit installed. Just for fun and make some noise .

The switch is the upfitter switch that comes with some Ford trucks.

 

Yes, absolutely, cut out valves will not interfere with the turbo function at all. The additional flow may actually give you a .5 PSI bump in boost. Just make sure they are after all the turbo piping and sensors.

That looks awesome!! Maybe a 30 shot of NOS on one of them

 

Nice! I can't imagine both the turbo and the exhaust sound with the cut out valves open!

The 30 shot NOS was a reminder of this post to me.

 

I'll leave the good updates for Jesse @TurboKits but rumor has it the truck is alive, holding 4psi on just the manual waste gate spring alone, and that the tune is coming along beautifully.

 

When are we getting the 8 psi update?

 

I think you misspelled "Dragy"

 

I defer to Jesse @TurboKits on the 7/8psi update.

What I know: It was driven out of the shop on Wednesday. He was road tuning things yesterday. From what I have seen and heard so far, it was doing everything it was supposed to be doing, the fueling looked fantastic when he was taking the 5k rpm limiter off, and last I heard he was tweaking the tune for everything north of 5k since we don't have a tune for that on this ECU (stock pump/injectors didn't really support it and I don't tow at those RPMs). Not sure if he is at the dyno today or next week sometime.

Dragy times will def be following. I'm looking forward to updating the spreadsheet with new numbers.

 

Was on the DYNO all morning doing some baseline stuff with the 2016 TRD Pro, it's now moving into the "pre-surgery" stage and will have the turbo installed soon. I also did a bunch of Draggy runs along with the DYNO runs all in 100% stock form to have a super accurate starting point on this build. We will then install the stage 1 kit, stock pump, stock inj, get a DYNO, get Draggy, then install injectors and pump on Stage 1, get DYNO, get Draggy, then install Stage 2, get DYNO, get Draggy... SO stay tuned, lots more data on the way...

In regards to Brians truck. We got it 100% finished with the coated piping, re-wrapped heat wrap, injectors and pump late Wednesday. Got about 100 miles of logging and testing on it so far and am working on map revisions to take it up to the 7/8 PSI level. I suspect this will happen pretty quickly due to how much data we have and have had on his truck, the Stage 1 and Stage 1.5 tunes were absolutely dialed, so a quick inj constant scaling is all it took, and the truck seems to be doing exactly what we want. As long as no major variables pop up as we turn up the boost. We suspect the tune side will flow pretty quick and easy. Then back on the DYNO for some final results and then Brian can have it back for some fun and Draggy for you all!

Thanks as always for the questions, feedback and genuine interest in what we have been doing!

 

We know, we know, not really that exciting, but we wanted to get as much data in the stock form before we added the turbo kit to our 2016 TRD Pro shop mule. This is bone stock, TRD Pro exhaust, 138K miles. We also did some Dragy runs. Here are the details and videos

Stock DYNO came in 329 WHP / 364 WTQ, which is almost exactly where the 2021 SR5 came in with the TRD Pro Exhaust & Intake Installed. So we were glad to see the consistency.

DYNO Video:
https://youtu.be/DSRqqubqsno?si=oTwjHruScHTY3CT1


A little 2nd - 4th Fun: *not sure what it proves, but it sounded great and was fun to do! LOL
https://youtu.be/N4noMFc42NE?si=rk1DOaWHlZvZK7dg


DYNO Chart #1:


DYNO Chart to show consistency:


Dragy Times were fine, wasn't really sure what to expect, but had about 4 of them all within a small % difference
0-60 MPH = 7.46s
1/4 Mile = 15.62s @ 89.11 MPH

Dragy Video:
https://youtu.be/eCdK23DbOZg?si=Pgjk7eni1xIX0uNA

 

Just got off the phone and it sounds like Jesse @TurboKits is able to share first hand experience of what 8+lbs of turbocharged boost feels like in a Tundra.

Delivery day is getting closer!!!

 

Because I am now dreaming about what this must feel like, I figured I'd share a snapshot of testing - I repeat, TESTING!!! - logs while the tune is getting tweaked and massaged. I think he said he's already on another 4-5 revisions since this sample. The spike to 9PSI (on the SCG-1 itself) is not where I plan to run this thing, but it was great seeing just how far things have come so far. Remember that at 6.5psi his shop mule was at 520WHP/600'ish at the crank. https://www.tundras.com/threads/turbo-charging-a-tundra.115951/page-44#post-3724272

Really looking forward to what the final tune ends up looking like and for Jesse @TurboKits to share some of the details of the lessons learned. Example 1: The turbocharger keeps the stock manifold and the gadgetry and magic inside (which is very different than the SC implementation) and is being worked through. Example 2: In Stage 1.5, this setup was running 60% Waste Gate Duty Cycle on the 1.5lb spring just to maintain 4psi. The log below was set at 24% WGDC on a 4lb spring and has now been dropped even lower.

Pretty pumped to see what happens when the tune is finalized and locked in. Dyno first, then Dragy times to follow. We'll know more early next week when the dyno is set to happen. Just seeing this log and thinking back to around April timeframe or even Father's Day weekend in the mountains, gives me the shivers. Can't wait to drive this thing. Keep up the great work, Jesse! @TurboKits

TESTING LOG SAMPLE

TESTING LOG SAMPLE

 

I was pumped to see the KR learn, even in boost, at 17.4 and holding. The little noise in the KR isn't causing the ECU to pull back in the learn and the overall timing is stout. I have also tweaked a bit more on the Ethrottle tables, the throttle closure at the top of second doesn't happen (was hitting a higher TQ# than expected!!) and with some cam and ACIS adjustments, looks like we may be able to ramp up some of the power differently than before. The AFRs are more steady at 11.0:1, this log was 26* cold in the AM and caused a jump to 9 PSI. Very pumped so far! As soon as the head tuner from ECS is back at it from his 2 week back to back trips. I'll book the DYNO and see what's what...

OH and look at those IATs!!! 26* ambient, 35* into the motor!!!

 

With the stage 2 I’m curious at what RPM this puppy hits max boost pressure if you were to just floor the throttle off idle and take off. How does the boost build vs RPM from a dead stop? Inquiring minds.

 

Load increases with gear so 1st will run a little less boost and onset will be smoother and will bump as each gear is hit and the load changes. It's like built in traction control! I'll see if we can get a dragy that also has the boost gauge in the video window for reference when we get to that point.

 

Cool! So is this boost ramp by tuning design or hardware limitations? Like if you wanted 5psi at 2k rpm could you have it, but you purposely tune it so it doesn’t hit as hard down low? I’m a give me all the boost whenever I want it kind of user! Lol

 

Jesse's plan is already better than I could have thought up. Do you have ideas on how to display this remotely? I can't tell if you're placing another request for a Dragy slip, if you are asking to see more log, a specific type of dyno pull, or some combination of things. Place the order and I/we'll fill it as soon as we're able. This isn't a shop mule, so seeing it safely being tested and seeing the logs show that it's still happy is more than I could have asked for, especially at the top of the range I was ever considering. It's not even a finalized tune yet. LOL Can't we just enjoy seeing 9lbs of boost and healthy logs supporting it? For maybe just a few hours?

 

It's more on how turbos work than by any design of our making. For the 5.7, to not choke out the motor when it's making revs and power, the 75mm turbine wheel is needed. There are some tricks we can do to bring boost on sooner or later, ie. smaller AR housing, BB turbos, some timing and fuel tricks. But turbos aren't connected to RPM, they are connected to load and heat. So the more demand you ask of the motor, the more the turbo steps up to fill that demand. It also depends on gear, as load and heat are directly correlated to the boost the turbo will put out. That all being said, the 7675 is a great match to the motor. 25-30% throttle and you can cruise and drive all day out of boost, but just a slight tip in and the turbo starts it beautiful symphony and the rush of boost start forcing you down the road. But they are much more dynamic in terms of how much, when, where, etc in the RPM range than an SC which is directly connected to the motors rotating assembly.

When we have the 2016 on the DYNO, we'll do a lot more testing in terms of each gear, flooring it at 1500 RPMs, starting the DYNO runs lower, etc. To see what happens... All I do know, is that the butt DYNO says the turbo is right where you want it to be when you need it and there is minimal lag.

 

I don’t want your truck to be the test mule! I thought Jesse had another Shop owned tundra with the stage 2 system installed already. A video of the RPM gauge and boost gauge displaying simultaneously in the same frame with a takeoff to 60 or 80 would answer my questions. My inquisitiveness stems from if say I wanted to build a drag strip truck or something and want to employ the turbo kit, can I make it hit hard on the launch in 4x4 without a high stall torque converter to sit there and spool the turbo? Transmissions options and mods for something like that are pretty limited on these trucks so I’m just curious how it could potentially all work together. If I ever get an HD truck for camper hauling my tundra could turn into a toy for this kind of thing, like drag strip runs and sled pulling. Hence my curiosity.

 

Jesse can answer for the tune part, but I will say that I opposite of you. LOL

Hear me out. With a lot of gearing already, plus the Grip Pro, I just don't think it's in my best interest to tow at full capacity and then throw more force at the driveline when it is at is most stressed state (from a stop/rolling stop). Even NA, the 5.29s never left me hurting in 1st gear so I don't need or want the power down low. 2nd and 3rd gears I wouldn't mind it on some of the gnarly climbs out of a few campgrounds up in Maine, but overall, my use case is really 3rd-5th.

This makes a ton more sense now! That application is so night/day of what I'm in this for, but something I admire. I view it like saying "I make 1k HP" and everyone is high-fiving, only to find out I'm doing it in a tractor pull and they're doing it on the strip. For the spooling, based on me trying to be a sponge throughout this process, I believe Jesse and his fabricator have some experience on that side of things, and that perhaps it isn't uncommon to spool a turbo on the line with just the push of a button. And then I immediately go back to my thoughts above and think back to the Pro Speed Turbo build video and them talking about needing to swap out to different model transmissions because even the "up to 1k HP" transmission builds weren't holding. I am envious of anyone having those problems, but not envious enough to pay my wife to leave me alone via an alimony check.

 

We had someone chomping at the bit to buy our 2014, it was right after we found the 2016 TRD Pro, so we went from Final DYNO #s Fri, to quick tow to New Hampshire Sat, to delivering the truck on Sunday. All while the 2016 TRO Pro getting in, registered and build planned. We also had someone want to buy our 2008 test mule, so that was delivered a few weeks after.

Here is the 2014, all polished up in its new home. He in the midst of adding a custom interior!


The 2008 just had the bed repaired and a full detail and is looking sweet too.