megasquirt and boost
#1
megasquirt and boost
While using a megasquirt and having a turbo setup I expect that the map sensor also acts as boost sensor and relays that info to the ecu for boost
Now since I plan to use a MAF sensor will I need to isntall another map sensor in it as well so it can see boost\psi the turbo is pushing for boost control?
Any information is appericated
Thanks
Now since I plan to use a MAF sensor will I need to isntall another map sensor in it as well so it can see boost\psi the turbo is pushing for boost control?
Any information is appericated
Thanks
#12
Boost Pope
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Techsalvager, good luck with the project. From a pragmatic standpoint, you're not going to get much love from the folks around here with regard to running a MAF sensor in anything other than certain very strictly regulated race classes.
While it's true that MAF is a slightly less ambiguous predictor of load in situations where VE is highly variable (such as with variable cam advance), from a practical standpoint, the vast majority of us just haven't had an issue with it. And relative to a stock Miata MAF, speed-density is certainly advantageous as the MAF sensor (as well as the VAF sensor) simply don't have enough headroom to deal with anything approaching a doubling of airflow.
In your original post, you asked about installing "another map sensor in it as well", and I'm a little puzzled here. The MS comes with precisely one MAP sensor built-in, and that is exactly the number of MAP sensors required for operation. You can optionally add a second one to do realtime barometric correction, which would be handy for a car which will be running the Targa Newfoundland, but isn't generally necessary otherwise.
While it's true that MAF is a slightly less ambiguous predictor of load in situations where VE is highly variable (such as with variable cam advance), from a practical standpoint, the vast majority of us just haven't had an issue with it. And relative to a stock Miata MAF, speed-density is certainly advantageous as the MAF sensor (as well as the VAF sensor) simply don't have enough headroom to deal with anything approaching a doubling of airflow.
In your original post, you asked about installing "another map sensor in it as well", and I'm a little puzzled here. The MS comes with precisely one MAP sensor built-in, and that is exactly the number of MAP sensors required for operation. You can optionally add a second one to do realtime barometric correction, which would be handy for a car which will be running the Targa Newfoundland, but isn't generally necessary otherwise.
#14
Techsalvager, good luck with the project. From a pragmatic standpoint, you're not going to get much love from the folks around here with regard to running a MAF sensor in anything other than certain very strictly regulated race classes.
While it's true that MAF is a slightly less ambiguous predictor of load in situations where VE is highly variable (such as with variable cam advance), from a practical standpoint, the vast majority of us just haven't had an issue with it. And relative to a stock Miata MAF, speed-density is certainly advantageous as the MAF sensor (as well as the VAF sensor) simply don't have enough headroom to deal with anything approaching a doubling of airflow.
In your original post, you asked about installing "another map sensor in it as well", and I'm a little puzzled here. The MS comes with precisely one MAP sensor built-in, and that is exactly the number of MAP sensors required for operation. You can optionally add a second one to do realtime barometric correction, which would be handy for a car which will be running the Targa Newfoundland, but isn't generally necessary otherwise.
While it's true that MAF is a slightly less ambiguous predictor of load in situations where VE is highly variable (such as with variable cam advance), from a practical standpoint, the vast majority of us just haven't had an issue with it. And relative to a stock Miata MAF, speed-density is certainly advantageous as the MAF sensor (as well as the VAF sensor) simply don't have enough headroom to deal with anything approaching a doubling of airflow.
In your original post, you asked about installing "another map sensor in it as well", and I'm a little puzzled here. The MS comes with precisely one MAP sensor built-in, and that is exactly the number of MAP sensors required for operation. You can optionally add a second one to do realtime barometric correction, which would be handy for a car which will be running the Targa Newfoundland, but isn't generally necessary otherwise.
yes I didn't realize I couldn't do maf\map blend if I could, I believe I would of needed a 2nd map sensor to use as a boost sensor.
I bought a very old board that I'm putting together, MS1 PCB v1.01 and stim from the author of megatunix.
#15
Boost Pope
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Join Date: Sep 2005
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yes I didn't realize I couldn't do maf\map blend if I could, I believe I would of needed a 2nd map sensor to use as a boost sensor.
I bought a very old board that I'm putting together, MS1 PCB v1.01