Quote:
Originally Posted by GSR Autosport
Idle RPM is the same before and after a tune unless someone requests a higher idle RPM. This can be done and should be done in a couple of cases:
1. There is an aftermarket sound system or other auxillary powered device that draws a lot of power from the car (higher idle will prevent lights flickering and stalling)
2. In a manual transmission car that has a lightweight flywheel that may tend to stall or become extremely noisy at stock idle RPM.
An idle bump will help greatly in both situations, but is really of no consequence to the vast majority of F-series cars on the road.
Matt
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Seen some flashed cars from various tuners (not sure from GSR) that the idle is a bit different than stock.
For ex, stock the car jumps to 1100-1300 rpm or so then after 30 secs starts slowly down to 770rpm.. On the flash cars I've seen it jumps to 1000 but immediately goes idle to 850-890rpm and stays there. Regardless of temp.
It also seems in colder temps (North Eastern) the cars are having sometimes a longer crank, not sure if this has happened to any warm/hot climate flash tuned cars.
What are your thoughts ?
What are the idle rpms you are seeing in other Pre & Post N20's ?
Thanks