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Author
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Topic: what rpm am i at with 4.11s on an AOD
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67stang12s
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Member # 2314
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posted
 
 
At 75mph
at 60mph
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F O R D
Posts: 220 | From: 415 | Registered: Jan 2003
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Gear Head
JARED
Member # 779
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posted
Dont GM's have 4.11's? Fords have 4.10's bro. ![[patriot]](graemlins/patriot.gif)
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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67stang12s
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Member # 2314
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posted
i'm talking about a 9 inch rearend
not a 8.8
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F O R D
Posts: 220 | From: 415 | Registered: Jan 2003
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KCmustangboy
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Member # 1927
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posted
What size tire?
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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KCmustangboy
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Member # 1927
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posted
quote:
Originally posted by KCmustangboy:
What size tire?
A 245/45/17 would run 2194rpms at 60mph or so and 2743rpms at 75, these should get you close...
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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67stang12s
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Member # 2314
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posted
im on 275/40/17s
thanks kc
that sounds good
but a little too good because I used to have 373 in my 88 lx and that thing seemed to be at 3000 at 75 but i couldnt really tell my speedometer wasnt accurate since i had gears
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F O R D
Posts: 220 | From: 415 | Registered: Jan 2003
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KCmustangboy
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Member # 1927
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posted
quote:
Originally posted by 67stang12s:
im on 275/40/17s
thanks kc
that sounds good
but a little too good because I used to have 373 in my 88 lx and that thing seemed to be at 3000 at 75 but i couldnt really tell my speedometer wasnt accurate since i had gears
There is a lot to consider...the slipping in the torque converter...exact tire size..ect.. but If you get a tape and measure the exact tire size in inchs and make sure your AOD has the .67 overdrive you should be able to know real close.
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03 Cobra... Factory long block, with Whipple and AED tune... 812rwhp 10.0s @ 140... almost there!
WWW.AEDHP.COM
Posts: 1691 | From: San Jose, CA | Registered: Oct 2002
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