[Diy_efi] Converting LH system to work w/ MAP sensor

[Shannen Durphey]

You want to use an air temp sensor along with the MAP.

For ideas, look at the HKS VPC.

Problem with that unit is when the curve in the box doesn't match the car, you're
stuck with what ya got.

Shannen

Kenny wrote:
> 
> Hey all,
> De-lurking to ask something that's been rolling around
> in my head for a couple weeks.
> How feasible would it be to fit a MAP sensor to the
> manifold of a turbo car- and then monitor its output
> voltage as well as that of the existing AMM. Then,
> construct a rather large table listing the AMM outut
> voltage as well as the MAP's output voltage at say 256
> different load points. You could then remove the AMM
> and put in it's place a Microcontroller. The MAP sensor
> voltage is read into it's onboard AD converter, then
> the MCU uses a lookup table to find the corresponding
> AMM output voltage. It then sends this to the ecu. I
> know it wouldn't do a lot, but in particlarly high
> performance setups being able to remove the AMM would
> be a welcome improvement with regards to restriction.
> It'd also be nice to never have to replace another
> expensive LH AMM. Thoughts?
> -Kenny (embedded software developer- computer
> peripherals)
> 
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