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The mkiv Supra Owners Club

OEM ignition map


b_have

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Anyone know this map? I have been dialing in more and more advance at the low end (currently + 14 deg @ 1000rpm ~ + 12 @2000) I'm using 103 RON at around 13.5 afr preboost.

Off boost response is amazing at this level with no audible det whatsoever. Just wondering if i dare go further?

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Charlie, have you got it on the rollers mate?

If so, you can check the power (at those revs) for every couple of degrees advance you add.

It should be going consistently up, and at some point it will hit a plateu. If you continue adding advance it will then start losing power and then it will hit DetLand.

 

Just stop at the plateu.

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Totally agree. It would probably be just a base map, normally used with offsets depending on how busy the knock sensors appear to be...

 

yeah, not just that though, it is a very odd map. apparently a triple interleaved 3d map :eyebrows:

RCTS_2JZ_IGNITION.jpg

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Charlie...I'm pushing similar numbers in that area on the eManage...but I'm not going further till I've got some detcan time. Think I peak at a 15 BUT it's all guess work atm.

 

Agreed though, it does make a difference ;) The biggest difference should be between 1500 and 2000rpm

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