To aid in tuning my car after an MPS rebuild, I just purchased the PLX wideband AMF kit after reading some positive reviews. It works with a smartphone app so no gauge install is necessary. It's on sale for $149 minus an additional $15 automatically taken off at checkout.
No affiliation, just thought others might be interested.
https://www.plxdevices.com/ProductDetails.asp?ProductCode=897346002870
that's now on my wish list
I should've added that if anyone has installed this unit on their 914, I'd love to see pictures and know of any issues encountered.
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