Supermid M1 install in 88-91 crx - Page 2 - Fuelly Forums

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Old 09-19-2007, 12:21 PM   #11
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From what I have read, the M1 isn't setup to work with a 2 injector TBI system (which is what the DPFI pretty much is). So you would need to convert to MPFI, which can be done by swapping distributor, ECU, and intake manifold + tb, and some wiring. I've done a number of these conversions myself, but if you don't at least feel comfortable doing things like changing your oil or installing a car radio, I wouldn't suggest you attempt this conversion.

The write up above is good, but I should add that all the connections you needed were right at the ECU: constant power, ground, VSS and an injector.

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Old 10-02-2007, 06:34 PM   #12
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hey Daniel,

So it looks like installing a Super MID should be fairly straightforward on a 1991 CRX HF then as well? I don't know much about electronics at all, so I would pretty much just be following your DIY.

Also, do you feel being able to watch your FE all the time improves your FE?

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Old 02-02-2008, 08:03 AM   #13
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where can you buy this??

nevermind, I found it.
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Old 03-09-2008, 04:56 PM   #14
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Installed mine today in '88 CRX HF CA model. T tap connectors Pin A1 at ECU Brown (white connector top front wire brown on mine some are different color) for injector signal. Pin B16 (red/yellow on middle black connector) for speed sensor. Red to radio hot. GND to ground

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