Megasquirt 1986 auto
 

So, I’m still collecting parts, but I have the turbo, the manifolds, and the intercooler. Physically, I am ready to start bolting parts on.

now I have to worry about the tuning side of things. I was looking at the arm plug and play which looks like a spectacular product, but i’d Be stuck with batch fire.

Given it’s a turbo car, and I have an e85 station right next to my house, I’d like a sequential setup for precision tuning, which has me looking really hard at an ms3 system.

has anyone installed an ms3 into an 86 with the factory gauges? It’s really important to me to keep the original gauges working, I really like them a lot.

im looking for some wiring tips, pictures, etc.

thanks in advance for the help everyone.

Don't touch a thing 'till you can dial in the mpg display for E85. ~6.59 lbs/gallon. The rest is child's play.

How would I calibrate that through the megasquirt? I was under the impression that I lose all of the “calculation functions.” And honestly I’m hoping for maybe some wiring diagram to megasquirt harness help as well.

Curious - why MegaSquirt ????? greg

Microsquirt is fine for a turbo setup.

Have ran 10s on multiple street cars/trucks with micro.

MS3 has programmable outputs that you can use for certain gauges.

It seems like a pretty robust system at a decent price point, with a lot of forum support, and ease of tuning. I’m not opposed to the arm system, I like that it’s just unplug and plug in, but again I was hoping to run full sequential. That may be the road I go.

I just ordered the 1986-1987 Corvette Factory Service manual on CD-Rom. I will comb through that to see how the wiring between the ECM and the gauges works.

megasquirt is not able to output the data stream you need for things like MPG calculation. I Looked into adding MS3 to my 1990 vette and found everything is able to be ran but the few things running from the serial line. If you go through and pull the serial wire from your existing ECM it should show you what you will loose with MS. Personally I love megasquirt and very likely will end up using mine when I exceed the tuning capabilities of the stock ecm.