1.8 swap 1.6 harness and ecu what megasquirt do I need - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-25-2015, 03:09 PM   #1
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Default 1.8 swap 1.6 harness and ecu what megasquirt do I need

I have a 1990 with a 1994 1.8 swapped in I retained the 1.6 ecu and wiring harness what MSPNP do I need or would one have to be build, I have a 94-95 MSPNP gen 1 but not sure if it will work
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Old 05-25-2015, 04:41 PM   #2
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<p>Search is your friend. But you want a 90-93 megasquirt. Get Reverant to build you one.</p>
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Old 05-25-2015, 06:37 PM   #3
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I have searched just couldn't find anything, is there a way to mod the correct megasquirt pnp that o have where it'll work with the 1.6 harness
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Old 05-27-2015, 09:49 AM   #4
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You'd have to swap the adapter board for one from a '90-'93 MSPNP. The MSPNP Gen 1 hardware has been discontinued, though, so this would only work if you found the parts used.

Either that, or repin the harness to '94-'95 specs.
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Old 05-27-2015, 10:05 AM   #5
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<p>It would techincally work as is, but you wouldnt be able to input the TPS if you ever upgraded to a vTPS,&nbsp;you could never control the cooling fan which is okay because of the thermoswitch, and the fuel pump would have to be activated alternatively (like jumping in diagnostics box or keeping AFM attached).</p>
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