Breaking up bad really need help i dont know why im studering around 5k Rpms

[yeti-gvr4]

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Here is a log i just made please any help is appreciated can you even tell Im breaking up in the log....

Also i don't have a source of boost control my WG does not actuate enough and lets me creep, I'm preety sure the reason is me creeping to 20 psi + and not being calibrated..

I'm going to put my other WG on and 0 the airflow settings.

I'm just confused because the car never studdered like this until a few days ago.

 

[KeelesKustome]

That log was Hidious.

We need a 3rd gear pull from 3,000 rpms WOT to redline. And then we can help with your issues.

 

[yeti-gvr4]

sorry heres a 3rd gear pull from about 2500rpms to as close to redline as i could make it the car breaks up and falls on its face after 5k and gets worse

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please any advice is appreciated could this be a fuel problem because of the e85 i just started using it on NOV,4 and have gone threw a few tanks...

 

[bryzenga]

Replaced your fuel filter yet since you have run E-85? Willing to bet its filled with some yummy gunk.

 

[doubleclutch99]

You should really take the car for a cruise and do the maf comp adjust. your maf comp looks off.

 

[KeelesKustome]

What psi are you actually running? It's showing 32-34 psi, If this is incorrect, we need to dial in your maf comp a bit. Because right now it looks all kinds of wacked.

also It's showing that you are at 98% injector duty cycle, That is way to high and can cause your issues. Lower your boost 5 psi and see if that helps.

Checking your fuel filter is a must, that crap is nasty and makes a mess.

What brand and type of plugs are you running?

 

[yeti-gvr4]

Im at 98% duty cycle holy shit!!

I am running the bpr`6s i think NGK,

Im going to check the fuel filter and im running an infinite amount of boost since im creeping im running out of fuel because i creep so high that my 1000cc on e85 gets used up

im going to throw my stock wga because that only creeps to 16psi

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this is a new log with the other wga attached and i don't studder as bad until the end but i don't know should i run the maf comp on this log...

also im running a 2g maf

 

[yeti-gvr4]

Ok so here's a new log after i did a BLT

Im still stumbling around 6k but a lot better it feels like
should i run MAF comp on this log?

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[KeelesKustome]

You could tweak yor maf comp a bit so that the afr/est matches your Lc1 gauge at WOT.

I don't think thats your issue.


I'd like to compliment your beutiful timing.

What turbo are you running?


You could possibly be having spark blow out for a number of reasons.
The easiest way I found to test this, is to drop the plug gap to half of what it is now. If your problem goes away slowly open the gap .01 at a time and record the data so in the future you have the correct gap and heat range for your car's setup.

Your injectors are now at 75% so you still have more room to grow.


In this log your airflow is awsome. and Your injector duty is really high, but I see at WOT your running 9:0:1 AFR. so you can pull fuel out and still run the 32 psi. Without maxing your injectors out.

 

[donniekak]

What are the plugs gapped to? Also don't run stock heat range plugs at 30psi.