Dash Command ???’s

Caman96 · Jun 7, 2023

I played around with DC a bit. Added:

Number of Misfires
Barometer(just to see if it works)
Air Fuel Ratio
Calculated Torque at Wheels
All work.

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Supercharged111 · Jun 7, 2023

Caman96 said:
I played around with DC a bit. Added:

Number of Misfires
Barometer(just to see if it works)
Air Fuel Ratio
Calculated Torque at Wheels
All work.

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Can you add your own calculated PIDs? I made a calculated hp PID to help determine my WOT shift points. And the barometer may be a cool gee whiz thing, but the factory never did anything with it.

Caman96 · Jun 7, 2023

Supercharged111 said:
Can you add your own calculated PIDs? I made a calculated hp PID to help determine my WOT shift points. And the barometer may be a cool gee whiz thing, but the factory never did anything with it.

I only added the barometer to see if it worked as I couldn’t believe something would actually sense it. I’ll look into your first question. But I have one, my air/fuel is 14.1:1
shouldn’t it be 14.7:1 or is that something maybe BlackBear adjusted?

RichLo · Jun 7, 2023

After thinking about the Knock tracking I made this display. I have only gotten to try it on my daily driver 2014 Cruze where nothing should register and nothing did besides the engine power gauges.

But My 1999 3800SC engine swapped 88 Fiero should benefit the most from this as I start dropping pulley sizes. Knock is the main limitation to power (pulley size) vs fuel choice in that engine and usually people dont know its knocking until they plug in a scanner after a drag strip pass and damage could already be done. It'll be nice to actively log when knock starts happening and back out when I see anything.

I'll try it on the 7.4l Dually and the little 2000 4.3 Blazer also but I dont think those two will register anything either.

Supercharged111 · Jun 7, 2023

Caman96 said:
I only added the barometer to see if it worked as I couldn’t believe something would actually sense it. I’ll look into your first question. But I have one, my air/fuel is 14.1:1
shouldn’t it be 14.7:1 or is that something maybe BlackBear adjusted?

PCM looks at the MAP sensor when you turn the key on before you start the engine. It has tables to compensate but doesn't use them. Blackbear may have commanded 14.1:1, that's stoich for E10 fuel.

Caman96 · Jun 7, 2023

Supercharged111 said:
PCM looks at the MAP sensor when you turn the key on before you start the engine. It has tables to compensate but doesn't use them. Blackbear may have commanded 14.1:1, that's stoich for E10 fuel.

That’s at idle the 14.1:1 I got. Don’t appear (to me) to be running rich.

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Supercharged111 · Jun 7, 2023

Caman96 said:
That’s at idle the 14.1:1 I got. Don’t appear (to me) to be running rich.
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Are running E0?

Caman96 · Jun 7, 2023

Supercharged111 said:
Are running E0?

Regular 87. BlackBear specifically asks if you are running a higher octane and I said no, just regular 87. Might have to contact them and see if they tinkered with that. Be nice if they sent something showing exactly what they did.

Caman96 · Jun 9, 2023

Interesting PID

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TN454K3500 · Jun 10, 2024

I know this is a little old thread but how are you all connecting to iOS devices and using dash command? I am struggling to find an ODBII that will connect with my iPhone or iPad. I'm trying to connect to a 97 454..

edit:
I just came across the one, gonna give it a shot:

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Dash Command ???’s

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