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I went through the exact same thought.

The T/B I have came from Summit, the blade was solid with no holes. Some of my research came back that it shouldn't be drilled and the adjuster screw on the...

Ok, make some progress. I got the AEM Wideband installed and logging through the AC Circuit. Since I dont run AC and my harness has a Pressure Sensor plug and not EGR wires.

I also had to make a...

It looks like your IAC is fully open at 310 the whole time. Im wondering if its not working properly and letting to much air in causing for the high fuel trims.

These other guys might be able to...

I will look into the EGR setup. It makes alot of sense to log the WB....Should have opted for the pro-link, I believe Ive read that it will take more than just buying the prolink cable to actually...

I think I made some progress...at least with the idle.

The idle turned out to a be related to the IAC port on my 80mm throttle body, It was too small and wouldn't let enough air through to start...

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First time getting into tuning and working on getting my 5.3 swap going. Im hoping for some constructive criticism and help getting in the right direction.

Here's what I've got going;

02 LM7 -...