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Engine RPM @ 100kph 

 

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fordzatmyplace
 Post subject: Engine RPM @ 100kph
Posted: Wed Jul 26, 2006 7:44 pm 
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TAS, Australia
my car sits at 1900 rpm when cruising at 100 kph. does this sound right for a 3.23 or 3.27 ratio diff? (i am unsure what ratio i have)

Thanks

 

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<a href="http://www.fordmods.com/forums/viewtopic.php?t=44952" target="_blank" class="postlink"> TAS Cruises</a>
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GT-P
Posted: Wed Jul 26, 2006 7:50 pm 
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out of my au at 100k's it sits on around 1800rpm, with 3.08 gears, and i 'think' with taller gears revs tend to sit a bit higher, so it sounds about right.
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mr_sperm1
Posted: Wed Jul 26, 2006 7:54 pm 
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sounds spot on for an auto with 3.23.

 

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fordfreak ef
Posted: Wed Jul 26, 2006 8:04 pm 
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mine at 1850rpm with a t5 and 3.45 lsd xr diff..
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pauly_pizza
Posted: Wed Jul 26, 2006 8:14 pm 
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um sounds right 3.23 auto is around 1900rpm at 100 kph.
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Bsjenko
Posted: Wed Jul 26, 2006 8:23 pm 
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depenends if u are using fairmont ghia wheels or not :P

 

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efbignik
Posted: Wed Jul 26, 2006 10:05 pm 
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my ef is around 1950 - 2000rpm with a 3.45 lsd auto

 

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Mechan1k
Posted: Thu Jul 27, 2006 4:54 am 
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Also comes down to wheel/tyre sizes ... and if your speedo is reading correctly as well.

I have found with my current 235/45R17 tyres .... somehow have a larger rolling circumference than my previous 235/45R17 tyres (different brands ... different dimensions).

With the GPS I am finding a decent difference between GPS indicated and cluster indicated speed after the tyre change.

 

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Sipheren
Posted: Thu Jul 27, 2006 6:19 am 
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mine sits on around 2100rpm @ 100mk/h....:)

 

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Benji
Posted: Thu Jul 27, 2006 10:01 am 
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Mines around 1800rpm thats with I think 3.27 Auto.

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Grechie
Posted: Thu Jul 27, 2006 1:16 pm 
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mines 2100rpm T5 and a 3:27 Dif

 

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madmax
Posted: Thu Jul 27, 2006 3:04 pm 
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Mine is around 1850 with an auto.

 

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falconkid
Posted: Thu Jul 27, 2006 9:42 pm 
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mines 2250 at 100km. i have 3.91 gears with an auto.

JIM
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XH5LWEPN
Posted: Fri Jul 28, 2006 12:51 am 
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Ride: 1999 XHII XR8, 2002 AU Fairmont

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Location: Perth
WA, Australia
My i6 sits on 2100rpm with 3.73 LSD, Auto

 

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phongus
Posted: Fri Jul 28, 2006 1:37 am 
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uhhhh 1800-1850 on 100km/h........sometimes its stuck in 3rd and its revving at 2200.....but thats only rarely

 

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