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Quick question. 0411 fbody. Fan1 and 2 Enable delay: I'm wondering if this will delay during ECT fan enable or AC pressure only, or both. I can't find anything more in the documentation about this. ...

Update. Swapped in the Delphi IAC. The in-gear idle trims over multiple starts, and IAC position showed me good repeatability. Re-enabled park/nuetral position adaptive airflow parameters and the...

Roger that. I've got a delphi one coming. Will be here tomorrow. Part of me wonders since the truck was originally tuned using 0-50 IAC steps, thats all it saw. Park position was at 50. It ran like...

That's a good question. I'm unsure whose IAC is in this throttle body. It is very similar looking to OE IAC for LS1 applications. Silver can with double dimples. EDITED TO ADD: Just ran out to the...

Adding the in Gear log from cold up to temp. Fans off. I zeroed out the min max adaptive airflow in the tune as well.

One of the issues I encounter and have been fighting for park is the IAC...

I'll revise with a few questions I'm hung up on. Setting my LTIT in park while the engine is in an overspeed condition , and pulling timing, does not make sense to me. My head might not be wrapped...

Seems I've chased my tail for too many days on this and I need help.

The truck was tuned by myself and Ed remotely starting about 2 years ago. We got the VE, MAF, tranny, and Blend done very well...