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Old 01-02-2008, 11:26 PM   #6
williaty
Scooby Guru
 
Member#: 71092
Join Date: Sep 2004
Chapter/Region: MWSOC
Location: Delaware County, Ohio
Vehicle:
2005 2.5RS Wagon
Regal Blue Pearl

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The IATs, once the car is fully warmed, have never been lower than 30F above ambient. In fact, unlike the turbo cars, my IATs actually DROP during repeated 2k-redline WOT pulls. The stock RS intake pulls from inside the engine bay above the ABS thingy. It is most definitely a Hot Air Intake.

Though I wasn't logging coolant temp today, based on past experience, at the time I was getting the knock, the coolant temp would have been between 170 F and 195F.

If it's knocking at cold IATs, is changing the IAT temp compensation the correct way to fix it, or just a bandaid?

This is what the stock Timing Compensation (Intake Temp) table looks like:
Code:
IAT in Degrees Farenheit
-40	-22	-4	14	32	50	68	86	104	122	140	158	176	194	212	230
0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-3.16	-3.87	-3.87	-3.87	-3.87	-3.87	-3.87
This is what the stock Timing Compensation A (Coolant Temp) looks like:
Code:
Coolant Temp in Degrees Farenheit
-40	-22	-4	14	32	50	68	86	104	122	140	158	176	194	212	230
15.12	15.12	15.12	9.84	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
This is what the stock Timing Compensation B (Coolant Temp) looks like:
Code:
Coolant temp in Degrees Farenheit
-40	-22	-4	14	32	50	68	86	104	122	140	158	176	194	212	230
4.92	4.92	4.92	4.92	4.92	4.92	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.05	-3.16
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