What if I want idle flare up?

[Rinkrat456]

I've been driving a few Dodge vehicles lately (V8 Magnum, V8 Ram 1500) and they both have an idle flare before settling on the target idle speed. Seems like on a start, the RPM's flared up to 1500-ish before settling down to 600. I'm not talking about a cold start where idle starts high and as ECT raises idle drops. This happens even when warm.

Is there anyway to make a GM vehicle do this?

[mecanicman]

Never tried it, but I would imagine if you increased startup airflow initial, and then played with the decay rate you could accomplish this. But why????

[Rinkrat456]

Never tried it, but I would imagine if you increased startup airflow initial, and then played with the decay rate you could accomplish this. But why????

It's just neat to hear. I think of it like the engine is growling at me before finally settling down.

[WS6FirebirdTA00]

Idle flare spark control and startup airflow are the two main contributors.

[blownbluez06]

If you're wanting to do it when coming to a stop while driving, you could try putting an airflow value spike in your rolling idle or Throttle cracker table at 2mph.

[Rinkrat456]

If you're wanting to do it when coming to a stop while driving, you could try putting an airflow value spike in your rolling idle or Throttle cracker table at 2mph.

I was hoping for initial start up only. During driving I want the idle to be rock solid.