Altered Mental Status (1G AWD 5spd)

[CrackedDSM]

Adjusted the boost controller so 22-23lbs hits immediately instead of a slow ramp. I need to adjust the WGS a little so it doesn't go to 27 but how's this third gear pull look yall?


Attempts at a 1/8th mile pass or a 0-60 was a bust. Roads are somewhat dry but cold since it's been raining, and I missed second. But, at least I got a third gear pull out of it. I'll adjust cam timing next I guess.

 

[CrackedDSM]

Kinda surprised I had no knock on that pull. Should I increase my timing up top or what? Advice desperately needed.


Been doing more digging. Old school guys on the OG FP Green were claiming 400hp on like mid 20 lbs of boost. One guy was using stock ECU and an SAFC. Which makes me think, maybe my timing map is really soft. I am heavily debating swapping to a stock 1G timing map and tuning out the knock where/if it appears and seeing how she runs. With such low compression, I do wonder if I can get away with more timing up top than most others.

On E85 I have zero doubt it'll hold whatever timing I give it. I also may lean it out up top fairly significantly on E85. Not sure why it's rich from 5500+ in the log in my previous post. I haven't changed fueling there at all.


Also, what effect does crankcase pressure have on power. I'm gonna install some -10an fittings in a spare VC here soon and test it out, but before I do I'm curious could that be holding me back? I've got the two stock fittings on the VC right now doing all the work evacuating to my catch-can.

 

[CrackedDSM]

Can't help but to wonder if my CAS is 180* out.

 

[1990TSIAWDTALON]

 

[Anthony Hornback]

Quick and easy check

 

[Anfurnyy]

Can't help but to wonder if my CAS is 180* out.

I think it might run but not well at all. Think about it, your injection and spark timing would be 180° out. I would guess it would still fire but it would sound like hot garbage

 

[Anthony Hornback]

Kinda surprised I had no knock on that pull. Should I increase my timing up top or what? Advice desperately needed.


Been doing more digging. Old school guys on the OG FP Green were claiming 400hp on like mid 20 lbs of boost. One guy was using stock ECU and an SAFC. Which makes me think, maybe my timing map is really soft. I am heavily debating swapping to a stock 1G timing map and tuning out the knock where/if it appears and seeing how she runs. With such low compression, I do wonder if I can get away with more timing up top than most others.

On E85 I have zero doubt it'll hold whatever timing I give it. I also may lean it out up top fairly significantly on E85. Not sure why it's rich from 5500+ in the log in my previous post. I haven't changed fueling there at all.


Also, what effect does crankcase pressure have on power. I'm gonna install some -10an fittings in a spare VC here soon and test it out, but before I do I'm curious could that be holding me back? I've got the two stock fittings on the VC right now doing all the work evacuating to my catch-can.

correct they are making 400 at the crank on 20psi if they are flowing around 38lb/hr which will roughly come out to 300whp. make sure your downpipe is perfectly lined up with the O2 housing so you are not getting restricted as well. I had mine just a hair off and straightened it up and gained 3lb/hr flow.
I have only been tuning for a year so I am by no means an expert.

 

[Justin DuBois]

Adjusted the boost controller so 22-23lbs hits immediately instead of a slow ramp. I need to adjust the WGS a little so it doesn't go to 27 but how's this third gear pull look yall?


Attempts at a 1/8th mile pass or a 0-60 was a bust. Roads are somewhat dry but cold since it's been raining, and I missed second. But, at least I got a third gear pull out of it. I'll adjust cam timing next I guess.

Your ECU recorded an injector circuit malfunction - if you clear the DTC, does it return?

You have too little fuel in the 3500-4500 rpm range being added in VE - Your Speed Density table is artificially high in those columns. You can be adjust those down to reduce the 99,104, and 106 columns. You should have values below 100 in there. If you can't hit the AFR target with SD below 100, then you should revisit your global fuel, but it looks like you have a lean condition to address.

Regards more timing - Yes - you can have more timing. If you are running E85, the knock sensor won't help you. The whole advantage of E85 is that it does not knock and detonate like gasoline - so you can run a lot more timing, and that should boost your HP numbers.

 

[Justin DuBois]

I think it might run but not well at all. Think about it, your injection and spark timing would be 180° out. I would guess it would still fire but it would sound like hot garbage

Correcton - CAS 180 out will only affect the injector sequence. Spark is unaffected.

 

[Anfurnyy]

Correcton - CAS 180 out will only affect the injector sequence. Spark is unaffected.

Spark unaffected because wassted spark, yeah?

One sparks top dead center, the other bottom dead center?

 

[Justin DuBois]

Spark unaffected because wassted spark, yeah?

One sparks top dead center, the other bottom dead center?

That’s almost correct. The two Sparks per coil is during the compression stroke for one while on the exaust stroke for the other. no fuel to burn in the exhaust stroke, so the "lost" spark has no effect. Rotating 180 triggers the coil at the same time on the same pistons, but the stroke is different.

The square wave comparing 1g/2gb signals to 95/96 cas signals is inverse, so the what was high is now low. Additionally this changes which pulse in rotation is short vs long. The CAS determines what to fire and the crank sensor determines when, and the position of the long vs short pulse determines where the ecu starts the injector sequence. The coil sequence ends up being the same 180 rotated. This is why simply rotating the CAS position has no effect on the spark, but it will change the injector sequence.

If you could invert the signal, it would rotate the injector trigger 90 (270) deg.

 

[DreamChaser7]

correct they are making 400 at the crank on 20psi if they are flowing around 38lb/hr which will roughly come out to 300whp. make sure your downpipe is perfectly lined up with the O2 housing so you are not getting restricted as well. I had mine just a hair off and straightened it up and gained 3lb/hr flow.
I have only been tuning for a year so I am by no means an expert.

lb/min?

 

[diambo4life]

Hey , it's a long ass thread and I am too lazy to look at it all. I saw FP Green. What is the fuel setup and other mods? What fuel?

 

[Anthony Hornback]

lb/min?

Yes my bad lb/min

 

[1990TSIAWDTALON]

180 out fires ignition before fuel, ever so slightly. They still run, just not at peak performance.

 

[CrackedDSM]

Hey , it's a long ass thread and I am too lazy to look at it all. I saw FP Green. What is the fuel setup and other mods? What fuel?

FIC 1050’s that flow 1120’s, Hellcat pump rewired, big ass fuel lines feed and return, AFPR.

Stock engine, BC 272s, BC springs and retainers, adjustable gears. Stock IM, stock 2G exhaust manifold and o2 housing. ETS FMIC, custom piping. Speed density.

Flex fuel. Runs on 93 or E85. Fastest pass was 12.6 on E85. Should be waaaay faster.

 

[CrackedDSM]

Your ECU recorded an injector circuit malfunction - if you clear the DTC, does it return?

That’s because of my compression test. I unplugged the injectors and forgot to clear it.

 

[CrackedDSM]

So other than being slightly rich in spots no one has any ideas? I’m lost . The CAS being 180* out is just a total guess at this point.

If I’ve got compression, the tune is solid, the timing is rock solid, and I run 25+ lbs what could rob power? The clutch isn’t slipping or anything like that. My driving ain’t that bad.

I’m mystified if I go to check the CAS and it’s fine. I’ll still do a leak down for giggles but yeah.

What a puzzler, man. My 60-130 times affirm basically what the MPH speeds do on my 1/4 mile passes so it’s not(completely) driver skill issue.

 

[Justin DuBois]

Your ECU recorded an injector circuit malfunction - if you clear the DTC, does it return?
View attachment 772856
You have too much fuel in the 3500-4500 rpm range, and I can see why - Your Speed Density table is artifically high in those collums. You can be adjust those down to reduce the 99,104, and 106 collumns. You should have values below 100 in there. If you can't hit the AFR target with SD below 100, then you should revisit your global fuel.
View attachment 772857

Regards more timing - Yes - you can have more timing. If you are running E85, the knock sensor won't help you. The whole advantage of E85 is that it does not knock and detonate like gasoline - so you can run a lot more timing, and that should boost your HP numbers.

I gave some wrong advice - lowering the ve in the 99,104 ,and 106 will go lean, which is the opposite you need, there is something else at work here causing a lean condition.

 

[CrackedDSM]

I gave some wrong advice - lowering the ve in the 99,104 ,and 106 will go lean, which is the opposite you need, there is something else at work here causing a lean condition.

It’s probably something weird due to the flexfuel settings. I’ll tweak it a bit more/put it back to ECMLinks original settings and see if that helps. Because I’m randomly running rich from 5000-6000 as well which doesn’t make sense. At 5500 I’ve always been dead nuts on matching AFRest to actual AFR.

 

[CrackedDSM]

Now we're getting somewhere fellas! I popped the CAS off and rotated it 180*.

Car started up normally, idle was noticeably smoother. Turned the A/C on, and it didn't immediately die. It chugged but lived. Adjusted the idle a bit, and it's even better. It's still a struggle...but honestly nowhere near what it was before. We're getting somewhere now.


Took it for a drive...throttle response is noticeably significantly improved. There's no longer a stutter in between gear changes, and it's so much happier. I can feel a difference in power...and ECMLink agrees. Look at these logs, man. One is me switching from high boost to low boost to make sure AFRs were okay, and the other is a quick 0-60ish run to test performance. God almighty is there a difference, at least it appears so. Doing my usual launch resulted in an epic AWD burnout that actually left rubber on the road and the car getting sideways. Look at the second logs 0-30, rofl. It was immediate. And look at the HP estimate, it's much more linear and smooth. And also higher than previous logs at the same boost level. It touched 305HP at only 19lbs. Easily up 25-30HP from before on same air and same boost.


The CAS was 100% 180* out. I'm amazed I got it to drive so good and run so decently with it 180* out like that, man. Crazy!!

So yeah, I'm gonna tweak the fueling so it's not so rich in the map but we're getting somewhere now. I am so curious to make another 1/4 mile pass now to see where we're at.

First log is the mild 2nd/3rd gear pull. First pull was accidentally at 25lbs. Lol. Second Pull was at a more moderate boost level. Also! Full boost hits sooner now than before.

Second log is the 0-60 run. Overall, I'm super pleased. It feels like it's on E85 where before there was a noticeable drop in performance. I'm excited to see how it feels on E85 again.

 

[Dericsh]

Sounds like I need to come get another test drive!

 

[CrackedDSM]

Sounds like I need to come get another test drive!

For sure! Especially now that the A/C is working.

 

[CrackedDSM]

Upgraded to H4 conversion housings and some LED H4 bulbs. Got the switched ground harness installed and everything all hooked up. I think I need to fine tune how they’re aimed/levelled but so far I like it. Gonna take some getting used to, but damn these high beams can see a long way down the road. Lol.


Also, while I was out testing the headlights I made a few more rips and damn. This thing running slightly rich on 93 octane at 19lbs is faster or as fast as 25lbs on E85 and a billion degrees of timing was before.

Crazy.

 

[Anfurnyy]

Upgraded to H4 conversion housings and some LED H4 bulbs. Got the switched ground harness installed and everything all hooked up. I think I need to fine tune how they’re aimed/levelled but so far I like it. Gonna take some getting used to, but damn these high beams can see a long way down the road. Lol.


Also, while I was out testing the headlights I made a few more rips and damn. This thing running slightly rich on 93 octane at 19lbs is faster or as fast as 25lbs on E85 and a billion degrees of timing was before.

Crazy.

Which switched ground harness do you run? I have issues toggling back and forth between lows and highs on mine..