[T3] Giving up Stock FI

Keith Park topnotch at nycap.rr.com
Sat Dec 22 17:19:16 PST 2018


Topnotch Restorations
topnotch at nycap.rr.com
71 Squareback  "Hothe"
65 Notchback  "El Baja Rojo"
93 RX7  "Redstur"
95 Chrysler Cirrus Lxi "Cirfogsalot"
"hanging out at the tail end of the bell
curve, and loving every minute of it!" 

-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Max Welton
Sent: Saturday, December 22, 2018 6:20 PM
To: type3 at vwtype3.org
Subject: Re: [T3] Giving up Stock FI

Now those lean-cruise AFRs deserve some explaining. I have my fuel and
timing maps set up such that the lean-cruise only applies at MAP less than
65 kPa. That is a very light power setting and it's hard to keep it there.
I didn't want the AFR to hang out any where near stochio so I set up a
pretty abrupt transition you can see here. The road where I took this
sample was undulating some so in order to maintain a fairly constant speed
required a little more throttle which push MAP over my threshold.
Ground-speed was around 67 mph at ~6000 feet.


BTW, ignore the CLT. In 2013 I had the sensor located in the oil in the
rocker galley in the 3/4 head. I couldn't keep it from leaking.

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