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Discussion Starter #21
another bonus pic. I am amazed at what a restrictive exhaust these engines have. Here's a good view of the bank 1 cat and you can see how little room it has to turn down between the engine and subframe. The heat shield makes it look much bigger than it really is. I would describe it as similar to a toilet paper tube then squish it so it's oval as it goes through that section. This is NOT free breathing exhaust. The upper manifold and cat are fine but in my opinion any work done to improve intake air volume or larger cat-back exhaust will not make up for this restriction.
 

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Discussion Starter #23
Wow! very nice job sir! on all this, wondering where you did all this, since i am in Delano.



I live down by Rochester and just doing the work in my garage. I took a while because I couldn't work on it when we had all that heat and humidity a few weeks ago!
 

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I know this is an old thread, but I have a similar issue with the EGR sensor on my 02 24V SEL Taurus. It has the sensor that is used on the Vulcan engine, even though all of the books call for a different sensor. It is a late 02 so maybe a mid year change? Mine uses the same sensor that is on my Dad's 03 Vulcan SES Taurus.
On another note, I have melted 2 aftermarket EGR sensors that I bought thru Amazon. The old (bad) sensor doesn't melt.
Melts the right side hose bung. I guess I will try to locate a Motorcraft unit some day. Check engine bulb is burned out, so it doesn't bother me or effect the way the car runs.
 

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With the hoses unhooked, there is very little exhaust pressure and the exhaust flows well out of the tail pipe with no loss of power from a clogged cat. The OEM sensor doesn't melt. I will run it by the muffler shop and they will check the backpressure for free.
 
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