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RA40Celica
Regular

Location:
Hobart
Registered:
June 2002

Re: megasquirt ecu

Tue, 30 August 2005 03:22

thechuckster wrote on Mon, 29 August 2005 21:16

there's also an 18RGUE in an RA40 in tasmania - its owner (used to?) frequent these forums.

cheers,
Charles

yerp... im still here.

my 18R-GE is still going strong on the megasquirt as well (being going for about 1.5years, done about 20000k's). now running megasquirt'n'spark-extra with VR sensor from 21R and jaycar HEI for VR senor conditioning and ignitor.

I have occasional misses which i think maybe be a problem with the jaycar signal conditioning for the VR sensor. I might get a megasquirt V3 board since it has VR sensor input on board, and an ignition driver.

You could use my fuel map as a starting point for a 2.2L 18rg. Its not hard to tune megasquirt on the road though. Especially for engines with fairly small horsepower. Just need good long hills with highway speed limits.

One of these days someone will write some auto-tuning code for the MSII using a wideband. Meaning you type in a table with your AFR's in it. Then drive around and it tunes your car to those AFRs. Currently extra has closed loop AFR targets, which is close but doesn't save the result. Presents some problems with maximum number writes to the onboard flash i think.

Cheers
Chris

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