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5FDP, that's what I was looking for, direction. I truly appreciate the time you take to answer our questions. Makes this journey much more bearable for us until we can get our bearings. I'll keep at...

Hi all, so I finally got my additional pipes installed and as you said it helped a lot. Although it's running rich still at least the PCM is recognizing it and it's on both banks. Pretty happy with...

This is interesting. I am working through the same problem on my 5.3. I am in the process of getting longer exhaust and may move the o2 sensors further away from the header runners as I understand...

Hello, I've ordered a AEM wideband, ordered the piping and I re-checked all the o2 wiring from the ecm and fuse box just to make sure it wasn't something I did. The whole question about the...

Hondaeater yes I changed my idle request to 800 across the board just to see if it would settle down a bit. It didn't change things regarding the richness though. I tried again today with those...

Hi, so I do have the VIN from the tahoe. It was not a flex fuel. I used the Corvette filter regulator and aftermarket rails with a front cross over hose. I still have the original manifold and rails....

Hi all, I was reading on here and came across another thread where it was recommended to remove 5-10% from my VE table under 2000 RPM's since I'm running a bit larger injectors. Not withstanding the...

Yes, I'm going to add some pipe to the headers asap. Hopefully, it will settle things down a bit. I'm happy it runs but I don't want to hurt it. I almost know enough to do that for sure. Thanks for...

Ok, I have a 5.3 out of a 2005 Tahoe with a 4L60E. I installed an Elgin camshaft (sloppy stage 2) and springs. I removed the truck manifold to fit under the stock hood. I installed a LS1 manifold and...

Hondaeater, you are the man. I will do as you suggest. I'm getting ready for a start and will report my findings at higher RPM. I'll list mods and tunes at that time. Thanks for the help! Keith

Thanks for the input on this! It does seem like affecting one bank and not another eliminates a lot of things. I did note the bank 2 injectors had a pulse width about twice the bank 1 injectors. Is...

Hi all, so good news! First fire today went very well. Started right up and ran great (maybe). So, after I shut it down I was looking at the logs and my long term fuel trims were maxed on bank 2....

Thanks for that! I was wondering about it. I'll do as you recommend and get this running. Sweet!

Thanks for the reply Kevin. Yes I'm using the LS1 injectors. So are you recommending I copy the flow rate table to my PCM? Do you recommend a segment swap for all the injector data? This is new to me...

Hi, so I've been searching for information on the 1999-2000 LS1 injectors 12555894. While I've been able to get some of the data on the stock injectors I haven't found the details. Anyway, what I'm...

Hi there, my name is Keith. I've got me a project 1964 Chevelle that I'm swapping a 5.3 LS engine into. Decided I can do it all and so here I am learning how to use and tune using HP tuners. I'm just...