The TEWD ('89) shows the brown w/ red stripe wire to power and the red w/ blue stripe to the ECU...these are for the O2 heater. The TEWD shows a white wire for the O2 input to the ECU.
LOL...tell me about it (it's a bit more actually). I'm not even gonna post what the lower end parts cost before any machine work to the block!
Quality work is worth every penny though ;)
You did a very nice job on this head Rich!
You're talking about this thread:
http://www.supramania.com/forums/showthread.php?t=75293
George - What you posted in that thread had nothing to do with if a S-AFC was good idea or not...it is a good idea, but not necessary for the Lex/550 combo. There are a lot of guys here (including...
LOL...that is not a simple question ;)
Without going into fluid dynamics, you have to understand how an open bearing (like rod and main bearings) work. In a simple sense, the bearing "water ski's" on a wedge of oil as the journal rotates. The oil is pumped in and exits out the bearing...
Snake Oil
http://www.fordscorpio.co.uk/snakeoil.htm
These type products keep popping up under different names like Prolong and Bi-Tron. The FTC took action on both and zMax for false claims. These companies use "Pseudo Science" to support the claims made for these products...the real key...
Got mine in via FedEx today...very nice piece at a good price (best quote I got to have one made local was $500). Any of you guys thinking about getting one of these, it's $$$ well spent for a re-build.
Thanks Rich!
George...get your facts straight. The lower passage BYPASSES the Karman Vortex sensor...the extra air effectively causes AFR to go lean. This is why you don't want to use a Lex with 440 injectors. Using 550 injectors balances out the extra unmetered air.
The fancy adjustment screw is a...
You can install a WB O2 without the Ultimate...most are independent units.
You want to test to avoid additional cost...that is unless you are going to install a Walbro and AFPR anyway. If you go this route, you need to drill the J tube or bypass it. Also, make sure you get a genuine Walbro...
Then tell me George...why is it I run rich at boost with the Lex/550 combo? And, I am not running any fuel control at all...no S-AFC, nada. All I have is an AFPR with it set to 27 psi with the vac line attached. No fancy (worthless) screw either...just the one that came with the Lex. The...
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