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WOT A/F varies depending on what gear I'm in???

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Old 04-23-2002, 08:18 PM
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Default WOT A/F varies depending on what gear I'm in???

Strange thing here.. don't know why.

If I do a 3000-7000 rpm run in 2nd gear, my A/F is right at 12.4

If I do a 3000-7000 rpm run in 3rd gear, my A/F is right at 12.8

If I do a 3000-7000 rpm run in 4th gear, my A/F is right at 13.2

How in the heck do you tune for this?????
Old 04-23-2002, 08:41 PM
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Default Re: WOT A/F varies depending on what gear I'm in???

Probably the difference in load.

Most people tune based upon 3rd gear (A4) or 4th (M6).
Old 04-24-2002, 08:31 AM
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Default Re: WOT A/F varies depending on what gear I'm in???

I bet you fuel pressure is dropping as you get more load in higher gears




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