Pulling Timing at the Strip

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Mar 20, 2008 | 07:42 AM

#11

Wally39

4th Gear Member

Joined: Mar 2006

Posts: 1,547

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RE: Pulling Timing at the Strip

I know the computer will pull timing when your engine gets hot. My tuner had the car on the dyno and noticed this happening after a couple runs. He let it cool down and timing was fine again.

Mar 20, 2008 | 10:16 AM

#12

Gene K

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5th Gear Member

Joined: Jun 2007

Posts: 2,176

From: Decatur AL USA

RE: Pulling Timing at the Strip

Quote:

ORIGINAL: Wally39

I know the computer will pull timing when your engine gets hot. My tuner had the car on the dyno and noticed this happening after a couple runs. He let it cool down and timing was fine again.

Thats was why I noted the coolant temp and IAT's. Most of the "quoted" timing numbers are for normal operating temperature and reasonable IAT's. The cars actually run a bit more timing at lower temps.

Mar 22, 2008 | 11:36 PM

#13

Gene K

Thread Starter

5th Gear Member

Joined: Jun 2007

Posts: 2,176

From: Decatur AL USA

RE: Pulling Timing at the Strip

New Gas and a bottle of Gumout Regane seems to have cured it.

Density Altitude was 600' Worse today and yet the trapspeed was 1.5-1.7 mph better.