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I checked out the vent lines in the past but it doesnt hurt to check again. I do have heater hoses connected. I actually daily this truck.

I currently have the rear capped. Can you elaborate on...

I assume the tune cant cause too much of an issue?

Ive been told that, but have heard of some folks having better luck then. its funny you mentioned airflow through engine bay. I did end up cutting the fender wells for better air flow And picked up a...

Thanks for suggestions. I have not tested with heat with temp gun just verified via gauge, vcm scanner and torque app. Ive had 3 different radiators in this truck. Bought new caps (never tested) but...

Itll climb up to 250

Hello Tuners,
Ive Battled high ects ever since i finished my turbo 5.3 swapped colorado build. In traffic with AC on itll climb up to 250. Weird thing is it will also climb up at freeway speeds as...

Well, Sorry for the late response. I actually tried 10.5-11 AFR a few weeks back and still no improvement. I;ll do a pull and get knock right off the back, and then a a minute later do a clean pull....

I have it at 11.6ish in PE, I havent tried 11ish but I'll try that this weekend. Yeah, I left spark tables same but will reduce the low table down the road. I've gone back and forth with the idea of...

2008 Colorado 5.3L swap
10.2-10.3:1 CR
78/75 Turbo
Intercooled
No Meth
91oct

Cant seem to get a clean WOT pull without getting knock at some point. I'm only running 7ish lbs. I run 91 but...

FYI,
I did everything you suggested and it got the truck running well enough to finally start tuning. Thank you for your help.

Thank you for the responses. The 2 bar cobalt was installed during theses logs. I will def adjust PE ASAP.

I will put the trans tune back to stock and go from there. Hopefully that fixes...

Hello,

I'm very new to tuning, let alone a boosted truck. This was my first startup/drive of my 2008 Colorado 5.3l swapped, with 78/75 On3 Turbo.

Has anyone ever had Reduced Engine Power (REP)...

Thank you for that info. Would this be considered knowledge? I tried searching around but couldn't find any info on this topic. Is there somewhere I could read up more on it?

Very limited tuning experience.

I want to turbo my 5.3L swapped 2008 Colorado. I have no idea where to start since the tunes I need to start with, is a 2008 H3 5.3 or the 2009 Colorado 5.3. ...

Well, I was hoping that someone would shine some light on this issue but either way, I give up on trying to tune with this injector. I though I was getting close but I keep going super lean on decel...

Well, I was hoping to tune my truck by utilizing the amazing search button. A few weeks have passed and I am still stuck trying to setup my injectors. I don't really like asking for help but I have...

Not seeing an attachment in post #1. Can someone post the spreadsheet? Thanks in advance

Yup. it works now. thank you

Thank you. This had me frustrated. I'll add it in and report back

I apologize in advance if this is a newb question

I am very new to the tuning world and am thinking I may have gotten in over my head. I've done a bunch of research but am still very much loss....