What were the emissions numbers on the engine when it was in the
Mercury? That may answer some of the questions.
Bill
At 07:21 PM 1/11/2005, Dick Rasmussen wrote:
>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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