Miata Turbo Forum - Boost cars, acquire cats.

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-   MEGAsquirt (https://www.miataturbo.net/megasquirt-18/)
-   -   Please help me with AFRs (https://www.miataturbo.net/megasquirt-18/please-help-me-afrs-15302/)

paul 01-06-2008 10:26 AM

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.

olderguy 01-06-2008 10:43 AM

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

StarGehzer 07-07-2008 12:37 PM


Originally Posted by paul (Post 194142)
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?

Braineack 07-07-2008 12:44 PM

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

levnubhin 07-07-2008 12:54 PM


Originally Posted by Braineack (Post 194161)
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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Braineack 07-07-2008 12:58 PM

i cut above 1800rpm and greater than 27kPa

levnubhin 07-07-2008 01:00 PM


Originally Posted by Braineack (Post 280037)
i cut above 1800rpm and greater than 27kPa

Thankyou sir.
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Braineack 07-07-2008 01:02 PM

greater than = less kPa

levnubhin 07-07-2008 01:10 PM


Originally Posted by Braineack (Post 280041)
greater than = less kPa

Yeah I got that. TPS stays blank right?
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