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Old 04-09-2010, 08:31 PM   #1
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Default Now what? Boiught a bunch of stuff.

https://www.miataturbo.net/miata-parts-sale-trade-5/megasquirt-pnp-harness-vtps-gm-ait-460cc-pnp-45140/

Just bought this.
Megasquirt I
- PNP Harness (needs one lead resolderd)
- 90 Degree Serial Swivel Cable
- Serial to USB Converter Cable
- Aluminum Mounting Plate (fits in 1.6L OEM ECU Location; bolt-in)
- GM AIT Sensor & Wire
- OEM TPS & Wells VTPS (needs to be retrofitted)
- 460cc RX7 PNP Injectiors (injector doctor cleaned tested)

Now, i plan on removing my afm. Do i need to purchase anmore components?
Also do i NEED a VTPS, can i use my orig one? How hard would it be to retrofit my wells VTPS.
Also, for my 200whp goal, would i need a 190lph or 255 lph fuel pimp?
I have a 93 eunos roadster m/t, 1.6 that has a custom Vmount, and t25 turbo.
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Old 04-09-2010, 09:28 PM   #2
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get little connectors for the IAT sensor into the MAF harness.
VTPS is not required. I don't have it and the car is tuned well enough that I don't think VTPS will make any noticable difference.
I'd buy the 255 pump if you're going to spend the money.
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Old 04-09-2010, 09:30 PM   #3
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sell your 460 injectors and buy my 550cc
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Old 04-09-2010, 09:33 PM   #4
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couldnt i de-solder a old afm and remove the "male" plug from the afm and make a "jumper harness"?
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Old 04-09-2010, 09:50 PM   #5
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Quote:
Originally Posted by TrackTestedMiata View Post
couldnt i de-solder a old afm and remove the "male" plug from the afm and make a "jumper harness"?
Yep. I like to take 30-seconds to crimp and continue winning at life though.
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Old 04-12-2010, 10:12 AM   #6
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Can i use my freinds tuning wideband? Or do i have to have one actually hardwired? His just has two alligator clips and a cable with a guage, just to have in the cabin while tuning...
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Old 04-12-2010, 10:32 AM   #7
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190lph, unless you want to run a afpr. Read the FAQ sticky for why.

WBO2 is SO over-rated. Don't bother.

j/k. YES, you need a wideband. Your MS1 can tune to afr targets. You can datalog to tune, etc etc.
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Old 04-12-2010, 12:47 PM   #8
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when you do to AFM removal you need to jumper the fuel pump.

I added a switch to turn the pump off when im messing with the ecu with the engine off.
Its a nice little touch. you can put it in your center console near the trunk release for stealthiness.
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Old 04-12-2010, 01:37 PM   #9
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Get a wideband.. Take a look at 14point7.com for a cheaper wideband.
The guy is local to the GTA.
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Old 04-12-2010, 02:52 PM   #10
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On-board wideband is the best diagnostic tool you'll ever have.
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