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-   -   Zeitronix datalogging and MAP voltage. (https://www.homemadeturbo.com/engine-management-10/zeitronix-datalogging-map-voltage-44776/)

hatchdx-si 08-20-2005 09:09 PM

Zeitronix datalogging and MAP voltage.
 
I have a d16z6 with a T3 turbocharger, crome tuned.

I am trying to figure out how to scale my map voltage to figure out which vac/boost tables to tune.
Yes it is hooked up correctly. I am using the user1 input hooked up to read map sensor voltage.

Around 18/17" of vac I am getting anywhere from .35-.47 volts

I am still running a basemap so at my current max (4psi) boost I am getting around 4.83-5.0 volts.

I was under the impression that I wouldn`t see 5v map until the map maxes out under boost (about 11.2psi)....so wtf??

Anyone out there know how to scale map voltage to vac/boost tables? I am thinking I should just man up and buy the zeitronix boost sensor...I`d like to find a way around that if possible since I`m a cheapass broke nukka.

TurboZCHatch 08-22-2005 07:33 PM

Re: Zeitronix datalogging and MAP voltage.
 
I've got the map sensor wired to the User1 input but it seems to read really low like 4 to 5.5 lbs when im boosting 8lbs.

Chris Harris 08-22-2005 08:01 PM

Re: Zeitronix datalogging and MAP voltage.
 

Originally Posted by hatchdx-si
I have a d16z6 with a T3 turbocharger, crome tuned.

I am trying to figure out how to scale my map voltage to figure out which vac/boost tables to tune.
Yes it is hooked up correctly. I am using the user1 input hooked up to read map sensor voltage.

Around 18/17" of vac I am getting anywhere from .35-.47 volts

I am still running a basemap so at my current max (4psi) boost I am getting around 4.83-5.0 volts.

I was under the impression that I wouldn`t see 5v map until the map maxes out under boost (about 11.2psi)....so wtf??

Anyone out there know how to scale map voltage to vac/boost tables? I am thinking I should just man up and buy the zeitronix boost sensor...I`d like to find a way around that if possible since I`m a cheapass broke nukka.

Datalog with ECU control to know for sure


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