4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

Good gas mileage?

Old May 19, 2008 | 09:06 PM
  #1  
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Default Good gas mileage?

Can anybody tell me if 27MPG is good with 3:90's doing 70-75MPH?
Old May 19, 2008 | 09:08 PM
  #2  
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Default RE: Good gas mileage?

r u serious?? thats phenomial, i can barely knock that out with my 94 3:08 geared 5spd gt..good 4 u man
Old May 19, 2008 | 09:12 PM
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Default RE: Good gas mileage?

How big is our stock fuel tanks?
Old May 19, 2008 | 09:12 PM
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Default RE: Good gas mileage?

ORIGINAL: 5.0 85 GT

r u serious?? thats phenomial, i can barely knock that out with my 94 3:08 geared 5spd gt..good 4 u man
Is it really that good? I thought it would of been average?
Old May 19, 2008 | 09:12 PM
  #5  
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Default RE: Good gas mileage?

I think it's 12.9?? someone correct me if I'm wrong.
Old May 19, 2008 | 09:17 PM
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Default RE: Good gas mileage?

I thought our tanks were 14+?
Old May 19, 2008 | 09:21 PM
  #7  
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Default RE: Good gas mileage?

opps, just found it in manual, it's 15.5 GAL, your right ZW99GT.
Old May 19, 2008 | 09:35 PM
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Default RE: Good gas mileage?

Shoot. I'm thinking about getting a 15 Gallon Fuel cell in the back. Anyone know if an aftermarket trunk mounted fuel cell makes the fuel gauge useless?
Old May 19, 2008 | 09:44 PM
  #9  
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Default RE: Good gas mileage?

its 15.7 gallon tank for 99-04
Old May 19, 2008 | 09:53 PM
  #10  
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Default RE: Good gas mileage?

ORIGINAL: mylongvictor

Shoot. I'm thinking about getting a 15 Gallon Fuel cell in the back. Anyone know if an aftermarket trunk mounted fuel cell makes the fuel gauge useless?
another 15 gal of fuel would weight in at about 120LBS plus the weight of the fuel cell. Is it really worth it?

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