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Old 05-03-2006, 07:51 PM   #31
MarkD's Avatar
Join Date: Apr 2002
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Originally Posted by NickP
Porsche uses Motronic as well so I'm pretty sure that its done exclusively through the software / VQ Maps. The part number for the Porsche HFM is 0280217809... actually I looked up a picture looks exactly the same as a BMW HFM connector wise etc.
Correct. I've been thinking of converting an M20 and other motors with an AFM to a MAF, so wasn't thinking about the later cars that already have a MAF... it's actually quite a bit easier in that case.

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Old 05-03-2006, 09:44 PM   #32
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Originally Posted by NickP
Most people say the Euro / 540 HFM hits 5 volts before a decently set up Vortech puts out 11psi. I'm sure you can tune it to work with the HFM but it won't be optimal. But hey you're the one with the FI car - I say we go test it out
Ooops just noticed you already posted about 911TT hfm.

Anyway, I did test out my HFM but my car not exactly running perfectly as you may know.
Here they are, they were done in neutral though(don't know if it matters)
at idle 0.96v
4k rpms 2.28
6k 3.16

I also know a person that has a 430rwhp car on euro hfm.
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