PCV maps rear cyclinder lean.

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Jun 14, 2018 | 04:25 AM

izmash

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Joined: May 2018

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From: SLC

PCV maps rear cyclinder lean.

title is pretty much my question cant find anything on the internet about why most maps have a lean rear map table in the tunes.

Jun 14, 2018 | 07:32 AM

marcodarq

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From: florida

They do not, if anything the map for the rear cyl is usually richer, what map number are you referring too?
m

Jun 14, 2018 | 02:32 PM

izmash

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Intermediate

Joined: May 2018

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From: SLC

Quote:

Originally Posted by marcodarq

They do not, if anything the map for the rear cyl is usually richer, what map number are you referring too?
m

well almost all the maps have lower figures for the rear cyclinder i can only assume lower number = less fuel.

Jun 14, 2018 | 06:45 PM

marcodarq

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From: florida

I ask what map number that you are looking at for a reason. Different year bikes have different cylinder assignments on the map. The older bikes used to assign cylinder 1 as the rear, and later years cylinder one was the front. Post up the map number that your are intesinter in and we can discuss it will n particular.
m

Jun 14, 2018 | 08:55 PM

Ed Ramberger

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From: Then Wisconsin, now North Carolina

Quote:

Originally Posted by marcodarq

Good point - Marelli and Delphi are flipped. Also, some head pipes don't flow the rear as much - example a stock bagger pipe when replaced with a good 2-1 really makes an increase in rear air flow.