5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

RPMS

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Old 08-24-2006, 12:16 AM
  #11  
samseed101
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Default RE: RPMS

I quickly checked it out for you... If you have the stock tire circumference and you have the AODE tranny, then at 75 MPH in overdrive your RPMs would be ~2,335 with 3.55 gears.
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Old 08-24-2006, 01:23 AM
  #12  
jthorn9
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Default RE: RPMS

I have a T-5 manual, that's the problem, which T-5 manual do I use because it doesn't state one for the 94-95 GT it has a pre 99 V6 T-5, but I don't have a V6, then it has a 79-91,93 T-5, but says nothing about 95. I decided to use the 79-93 T-5 because if memory serves me right it's pretty much was unchanged for 94-95. I came up with something between 3.27 and 3.55, pluged in 3.45 and the numbers came out to be perfect, last time I checked though, that's not a common size.
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Old 08-24-2006, 01:42 AM
  #13  
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Default RE: RPMS

2.73/ 2000 rpm @ 80 mph 3.55/ 2000 rpm @ 60 mph
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Old 08-24-2006, 01:44 AM
  #14  
jthorn9
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Hmph, at 80 mph I'm sitting around 2500.
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Old 08-24-2006, 01:52 AM
  #15  
mustangman02232
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Default RE: RPMS


ORIGINAL: jthorn9

I have a T-5 manual, that's the problem, which T-5 manual do I use because it doesn't state one for the 94-95 GT it has a pre 99 V6 T-5, but I don't have a V6, then it has a 79-91,93 T-5, but says nothing about 95. I decided to use the 79-93 T-5 because if memory serves me right it's pretty much was unchanged for 94-95. I came up with something between 3.27 and 3.55, pluged in 3.45 and the numbers came out to be perfect, last time I checked though, that's not a common size.
3.45s = 7.5" rear end 3.55s = 8.8
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Old 08-24-2006, 02:01 AM
  #16  
jthorn9
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Default RE: RPMS

That's what I thought. Well anyways it's between 3.27 and 3.55.
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Old 08-24-2006, 05:16 PM
  #17  
PX429
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Default RE: RPMS

go to your door and tell me your axle code?

ORIGINAL: jthorn9

That's what I thought. Well anyways it's between 3.27 and 3.55.
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Old 08-24-2006, 05:55 PM
  #18  
cepowers18
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Default RE: RPMS

ORIGINAL: randy78045


ORIGINAL: jthorn9

Ok since I don't have a way to get all four tires easily off the ground, although I may try it at the shop tommorrow, what rpm are you guys at around 70-75 mph. I was just wondering if it's possible that my car has had gear work done, yea yea yea, I know spin the tire and count the amount of turns the driveshaft makes, but it just seems to be a tad bit too high to be 2.73s. Although I've never owned a GT my 98 sixer with stock gears was at 1900 or so rpms, at 75 mph, the GT is generally around 2300 or so rpms at that speed.
Seems high to me... im at aboot 2K with 3.73's..
Huh?? I have 3.73s in mine and I'm at 2K at 65 mph! 70-75 mph and I'm taching 2200-2400.
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