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-   -   Now what? Boiught a bunch of stuff. (https://www.miataturbo.net/megasquirt-18/now-what-boiught-bunch-stuff-46007/)

TrackTestedMiata 04-09-2010 07:31 PM

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.

hustler 04-09-2010 08:28 PM

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.

WonTon 04-09-2010 08:30 PM

sell your 460 injectors and buy my 550cc :bigtu:

TrackTestedMiata 04-09-2010 08:33 PM

couldnt i de-solder a old afm and remove the "male" plug from the afm and make a "jumper harness"?

hustler 04-09-2010 08:50 PM


Originally Posted by TrackTestedMiata (Post 553756)
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.

TrackTestedMiata 04-12-2010 09:12 AM

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...

webby459 04-12-2010 09:32 AM

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.

shlammed 04-12-2010 11:47 AM

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.

M-Tuned 04-12-2010 12:37 PM

Get a wideband.. Take a look at 14point7.com for a cheaper wideband.
The guy is local to the GTA.

Savington 04-12-2010 01:52 PM

On-board wideband is the best diagnostic tool you'll ever have.


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