Greg,
If no one responds I suggest you join rrax-mustang@yahoogroups.com and ask
there. There are some Ford calibration types on that list.
Dick
At 07:08 PM 1/11/2005, Greg & Anne wrote:
>I have a V8 Volvo which used the donor engine from a 2001 Mercury Mountaineer
>with the 5.0 engine. The engine and computer came from the donor
>vehicle. The
>dual exhaust system is custom built with dual cats. The only emissions
>related
>parts that did not come from the donor vehicle are the exhaust system and the
>fuel pump/regulator. The car has been on the road since October and runs
>well.
>I recently got my emissions tested (Connecticut uses a dyno test under
>load) and
>easily passed on both CO and HC but the NOx is right at the limit. My
>theory is
>this may indicate a lean condition. My question is this:
>
>Do we have any mechanics or Ford engineers on the list who can tell me
>what the
>fuel pressure specifications are for a 2001 5.0 V8? Is the fuel system
>constant
>volume (i.e. compensated for manifold pressure) or constant
>pressure? What is
>the pressure spec at idle? Any other special considerations I should be
>aware
>of? Other ideas for what might cause high NOx?
>
>Thanks in advance if you can help,
>
>Greg Vincent
>CM 127
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