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Old 11-08-2006, 09:04 PM   #21
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thanks!
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Old 11-10-2006, 04:08 AM   #22
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awesome, im gonna give this map a shot on my setup: 550 rx7 injectors, gt2554, 2.5" most of the way through ... close enough for me.
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Old 11-13-2006, 10:35 PM   #23
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Here is my most recent datalog. It's really short and doesn't show constant cruise afr very well, but it'll give you an idea of what to expect.
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File Type: zip datalog200610281624.zip (236.3 KB, 291 views)
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Old 02-19-2007, 10:49 PM   #24
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ok, i have been looking at your guys's spark maps and i have a few questions..

when the table is set to kpa and rpm, and goes from 0 to 100 am i correct understaning that 100 is 0psi boost and 0 inches vac?

next..

can this map be set to retard when the car goes into boost like the bipes unit does?

and can it be set to only retard when the MAT is above a certain point??


the ms extra manual doesnt have much information when it comes to tuning the spark table.. can u guys recomend any other websites where i can get some reading material on this?
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Old 02-19-2007, 11:18 PM   #25
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104.7kpa is atmo at sealevel (0psi). Approx 7-8kpa is 1 psi. To make it retard ign in boost you just adjust the numbers that are already present. The reason that you see numbers like 25-30 at high rpm/no boost is because the plugs must fire sooner because of the increased piston speed. This is normal on all cars. Suppose your base timing is 14 and you are at 120kpa and 5000rpm. If you put 14 in that cell then your timing at that point is equal to your base timing.

As far as retarding at a certain MAT, I don't believe that is possible. For the most part the intake temp will be almost constant at a given psi. So tune for that. Ideally you probably want to tune on like a hot day in the summer so that you know your tune will be bulletproof the rest of the year. There really wont be much if any difference though.
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Old 02-19-2007, 11:25 PM   #26
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101 is atmospheric, so yeah pretty much 100. it doesn't retard, thats what bandaids do. it will run less timing under boost. you can retard timing by temp as well. i suggest just using my FM spark table to start it is conservative and safe.
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Old 02-19-2007, 11:29 PM   #27
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Nevermind, i found it :P
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Old 02-19-2007, 11:42 PM   #28
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thanx guys
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Old 04-06-2007, 10:22 PM   #29
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I know this is only a minor thing but it says 4G63 instead of B6/BP.
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Old 04-06-2007, 10:36 PM   #30
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Quote:
Originally Posted by saboteur View Post
I know this is only a minor thing but it says 4G63 instead of B6/BP.
What are you talking about??? It helps to quote things that are months old...
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Old 04-06-2007, 11:17 PM   #31
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Oops that was meant to be a reply to this thread:
Updated 'How to MegaSquirt your Miata' article is coming together!

:gay:
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Old 04-25-2007, 11:49 PM   #32
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updated msq, check them accel settings, smoooooooth. keep in mind they are for 450cc injectors.
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Last edited by Al Hounos; 04-30-2007 at 04:41 PM. Reason: updated
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Old 04-26-2007, 03:00 PM   #33
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variation of Al's turbosetup.msq for my 1.6 w/305cc injectors at 7psi.

I was getting a rich cruise on the highway this morning and took 45min datalog and it should be tuned out. Otherwise in boost it's dead on and perfect idle for me.

Last edited by Braineack; 10-02-2007 at 04:01 PM.
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Old 04-26-2007, 03:14 PM   #34
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Quote:
Originally Posted by Al Hounos View Post
updated msq, ignore the name, closed loop boost control doesn't seem to work. check them accel settings, smoooooooth. keep in mind they are for 450cc injectors.
Are you still at 12 psi?
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Old 04-26-2007, 04:14 PM   #35
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nah, around 14 now. 195kpa.
i've also been datalogging with GEGO turned off. seems to be working well enough that i could take the o2 out if i wanted.
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Old 05-04-2007, 09:11 PM   #36
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Al, I'm using your map now at 12psi. Only had to change a few cells out of boost and a few at 6000rpms...otherwise perfect for my 460s.

Spot on idle, cruise, and boost. I changed the AFR targets a bit and has EGO on, but it barely makes any corrections....nice job dude!
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Old 05-04-2007, 09:26 PM   #37
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thanks man, I was testing 15psi (205kpa) the other day, it leans out a little on the map you've got. i've fixed mine since then.
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Old 05-05-2007, 08:54 PM   #38
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Yeah that's about the only place I had to make adjustments... and I think one cell at 2300 & 60 kPa needed one point lower.
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Old 05-22-2007, 11:49 PM   #39
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Al, I have a few questions about your map; first, why are your target AFRs so rich out of boost? At the upper end of the rpm range, you have 11.5 as your target at 80 and 100kpa. Secondly, with your Accell enrichment settings, you have it mapped up to 250kpa. Why didnt you scale it down to 100 or so seeing that any enrichments are turned off in boost anyway.
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Old 05-22-2007, 11:55 PM   #40
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I dont believe Al is using EGO, so the targets aren't very important.

I can share my targets tomorrow, I left my laptop at work.
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