Tuning Table Size VE and Advance POLL inside - Miata Turbo Forum - Boost cars, acquire cats.

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View Poll Results: Which dimensions would you prefer and why?
16 x 29 = 1020 0 0%
17 x 27 = 1008 0 0%
18 x 25 = 988 0 0%
19 x 24 = 1000 1 100.00%
20 x 23 = 1008 0 0%
21 x 22 = 1012 0 0%
Voters: 1. You may not vote on this poll

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Old 06-27-2008, 07:01 AM   #1
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Default Tuning Table Size VE and Advance POLL inside

Hi, If you have any experience with standalones, or, if you don't but you have some opinion, I'd like to hear it. I'm at the point of deciding on table sizes for the main functions VE (fuel) and Advance (ignintion).

Above is a poll, please if you vote, also post a reason with your vote.

There is some background info on it here :

DIYEFI.org Forum - View topic - Tuning Table Size VE and Advance POLL inside

Fred.
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Old 06-27-2008, 09:13 AM   #2
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I think 12x12 is plenty, it's what I use for VE, Advance, and AFR Targets
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Old 06-27-2008, 09:18 AM   #3
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Sure, BUT you have separate cranking configuration etc. Also, you are running mild 14psi boost and revving to maybe 7k?

What about the bike guys that push 30psi into 15krpm engines? We wanna take care of them too :-)

So, for your configuration it would need to be 16 rpm x 12 load to keep you happy (remembering cranking etc). Anything above that is fine by you right? Baring in mind that you don't have to use it all, you can just set the rest of the rows to zero and the axis to way too high etc.

Thanks.
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Old 06-27-2008, 09:22 AM   #4
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Quote:
Originally Posted by rb26dett View Post
Sure, BUT you have separate cranking configuration etc. Also, you are running mild 14psi boost and revving to maybe 7k?

What about the bike guys that push 30psi into 15krpm engines? We wanna take care of them too :-)
So are we to understand the finished product should be a sort of "one-size-fits-all" deal?
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Old 06-27-2008, 09:25 AM   #5
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oops, i thought i logged into MIATAturbo.net
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Old 06-27-2008, 09:40 AM   #6
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Quote:
Originally Posted by kotomile View Post
So are we to understand the finished product should be a sort of "one-size-fits-all" deal?
That's a tricky one to answer. MegaSquirt is VERY one size fits all. The code handles most any trigger pattern you can think of in one binary. The idea is to have code for each platform, but a binary per platform too. So in that respect more specific than MS, however, the core functionality will be the same between all engines (as it is in MS too). VE table size needs to acccomodate the most insane build you can think of. 500hp/litre is about the limit for most anything i've seen/heard of still found in a road going car. I think with maps like this AND sequential injection we can accommodate such builds happily.

Hardware wise, it's an open book. IE, Miatas being popular, you can bet once it's prooven to work well someone will pick it up and build a miata PNP FreeEMS. It's only a matter of time really (quite a bit of it).

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Originally Posted by paul View Post
oops, i thought i logged into MIATAturbo.net
There must be a few insane B6 builds on here? B6 is short stroke so built it could rev pretty high and push a lot of boost.

I should also add that the AFR table will be much smaller as there is much less requirement for resolution there. Some guys were suggestion 3 points and interpolation, but I think 8x8 for AFR is a minimum and VE table size is the maximum, but a waste of space/time.

Fred.
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