87 mustang 5.0

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07-20-2006, 10:22 PM

ecoboxkiller

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Join Date: Jun 2006

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Posts: 28

87 mustang 5.0

just a quick question was the 87 mustang mass air flow or the other on?? just curios i already own a 89 that is but thinking about picking up my 4th mustang

07-20-2006, 10:27 PM

5.0stanger

6th Gear Member

Join Date: Feb 2006

Location: Howard City, MI

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RE: 87 mustang 5.0

87 is speed density, not mass air

07-20-2006, 10:27 PM

ecoboxkiller

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Join Date: Jun 2006

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Posts: 28

RE: 87 mustang 5.0

also the guy sais it runs a little rich anybody have an idea what it could be off hand

07-20-2006, 10:44 PM

5.0_faithful

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Posts: 280

RE: 87 mustang 5.0

Quote:

ORIGINAL: ecoboxkiller

also the guy sais it runs a little rich anybody have an idea what it could be off hand

Possibly the timing?

07-20-2006, 11:18 PM

OneGearhead

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Join Date: Mar 2004

Location: VA

Posts: 5,867

RE: 87 mustang 5.0

Quote:

ORIGINAL: 5.0_faithful

Quote:

ORIGINAL: ecoboxkiller

also the guy sais it runs a little rich anybody have an idea what it could be off hand

Possibly the timing?

aftermarket fuel pressure regulator, set too high.....

07-21-2006, 12:35 AM

5.0stanger

6th Gear Member

Join Date: Feb 2006

Location: Howard City, MI

Posts: 5,956

RE: 87 mustang 5.0

TPS out of range? How does he know it is running rich?

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