HP Tuners for 2005-2015

Auto or manual rig? I'd imagine if it's an auto, the shift scheduling would likely keep things below that RPM.

 

I've tuned several 1GRs to 6000+ rpm.
There are versions of it with stock rev limit of 6400. Just roll of the dice depends what model you have.

 

Auto, But if you say stuck it in first you could hit it..... my auto hits revlimiter uhhhh here n there

Interesting. Must be custom applications for sure, 1GR definitely falls off in power after 5k in an NA form factor.

 

you *should* be able to hit the limit in any gear if you limit it in S mode.


Check this out though , designed for the Tundra, but will likely port this code to the Tacoma.
(ignore the values in the tables, it's just a representation for this image)
instead of using the enrich threshold based on throttle angle for S/C vehicles (which honestly sucks...), we designed a 3D table that enables enrichment via 3D engine Speed vs RPM
eventually the 4.0L will get all of this stuff.

So you can use this 3D table to set "1" to enrich at any RPM /load breakpoint, then there is another table to set the enrichment amount you'd like.

 

So these rigs sound like the GM 4L6Xe transmissions of the 2000s era. A box of chocolates. You never knew what you were going to get (either a good or garbage one) except in this case we are talking about Toyotas factory tuning. Since both companies have been in bed with each other it makes sense.

 

So this is a more real time, better way of enriching things while driving along?

Tundra has always gotten the good stuff.

 

Kind of similar using the component protection tables but likely much easier.


I think for me the 6100 rpm rev limit.... at 5600 the poor 1gr sounds like its gonna fling itself apart lol. cant imagine 6100.

 

Well I have a tundra to write the code on lol.
Lucky the tacoma and tundra calibration logic is nearly identical, just "scaled up"

 

Mine at 6200 sure does scream

 

You don't count Mr. Mr. perfectly balanced crankshaft- lightweight titanium valves.

 

All possible as is.

 

MMMM smoooth fuel maps, me likey took some time to get my eq map smoothed out.

Edit - honestly dont know what kinda crack the dude at toyota was doing on the day when he created the stock EQ map..... its about as cracked n jagged as a dude on meth row.

 

This table is assuming you have reached the throttle threshold, and or other thresholds. Otherwise it does not target those AFRs at all.

Here is a full throttle pull showing so. simply tweaking the boundaries to be outside what is actually possible and you will still get stoic at full throttle.


Very easy to prove it. Set that whole map at 12.5, and show the truck idling at 12.5
or set your throttle thresholds to 200%, and show it still following that map.

Simply put the stock calibration logic, how the fuel is controlled, is not the best method for tuning supercharged trucks. That's where our custom code comes in.

Fuel status bit : 2 CL
Throttle : Full throttle
Engine load: 130%
AFR : still trying to maintain stoic.

you can see it right in the code.

Even changing your base stoic (14.6 1D table) in the fuel algo will not change your target afr.

 

Incorrect. I can get those and any other AFR independent of throttle thresholds. Keep in mind, those aren't stock values (just random values)

Would you like me to prove function? Or can you take my word on it?

I never mentioned changing the base stoic table to be able to change your target AFR? Where did that come from?

By the way, your logger looks an awful lot like the ecuEdit logger I used back in my EVO days from www.epifansoft.com.

 

Please show me the truck idling in close loop at 12.5 AFR with AFR Commanded at 12.5. Because it's not possible to do on the Tundra and its 99% the same as Tacoma.

 

I didn't say it would be closed loop. Anytime there's fuel correction above stoich it will put the truck into open loop. I SAID I could get AFR's to enrichen outside of the throttle thresholds.

 

If the truck is in open loop then of course it will. I'm talking about closed loop feedback, AFR by engine load and speed. The stock code cannot do this.

Like this, with our patch :
Close loop
AFR 13
full throttle
fuel trims still correcting.

In the Tundra, this is not possible to do on stock ECU logic. The Tacoma ECU logic is 99% the same.
Also on the Tundra, you will not get enrichment until the throttle thresholds are met, or catalyst temps have exceeded threshold temps (which isn't something occurring during normal driving).

This is epifans logger. Epifan has made custom software just for me.​

 

Not interested in arguing. Just wanted to show you guys something being worked on.
IF it was possible in the stock ECU I wouldn't have done it. That's that.

 

Does this utilize stock O2 sensors?

 

I'm not either. Your original post, quoted below made no mention of open loop fueling. Just the throttle based enrichment. It's important for folks here to know it's not always throttle based.

So my reply, was simply illustrating that that capability is already a part of the stock code.

That's all!

I think it's great if you can get closed loop fuel control out to the market. I will for one be happy to see it come to fruition.

Epifan software was great.