Please help me with AFRs

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Jan 6, 2008 | 10:26 AM

#21

paul

Elite Member

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From: Point Pleasant, NJ

yeah, that would be nice. does silicone hose resist oil better? i'm just thinking that with my coolant reroute ALL my coolant exits the rear of the head via a 1 1/4" rubber hose right under the CAS. That would suck.

Jan 6, 2008 | 10:43 AM

#22

olderguy

AFM Crusader

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From: Wayne, NJ

Wrap it in aluminum foil with the last flap down. Wouldn't add too much weight.

Jul 7, 2008 | 12:37 PM

#23

StarGehzer

Junior Member

Joined: Jan 2008

Posts: 74

Total Cats: -4

From: Toronto, Ontario, Canada

Quote:

Originally Posted by paul

uhhh. have you tuned at all?

open Megalogviewer
6. make sure your WBO2 is set. Calculate Fields --> Wideband O2-AFR
7. open the log file you just made
8. open your current msq - click 'Open MSQ' button
9. click VE Analyzer button
10. click run analysis
11. accept new VE table
12. save or save as new VE table

back in Megatune
13. open the new MSQ file you just created with VE Analyzer
14. Yes, burn it to controller.

repeat starting with step 4 until you get a good tune

Excellent outline of the procedure! Thanks.
In the section of the quote I've bolded, does that save it in the MSQ?

Jul 7, 2008 | 12:44 PM

#24

Braineack

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From: Chantilly, VA

once you hit the save or save as button, it will save over the map you've opened, or save a new one.

Jul 7, 2008 | 12:54 PM

#25

levnubhin

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Joined: Aug 2007

Posts: 7,329

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From: Va Beach

Quote:

Originally Posted by Braineack

you see a lean condition on decel because you cut fueling during that period. these settings can be changed on the overrun settings. turn them off and see really rich decels.

Sorry for the thread jack, but what settings do you recommed for this?
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