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What engine speed should a 5L EB Fairmont be doing at 110klm 

 

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 Post subject: What engine speed should a 5L EB Fairmont be doing at 110klm
Posted: Mon May 02, 2005 10:11 pm 
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:?: I have recently bought an EB1 5L Fairmont Ghia and noticed on the drive home that at 110klm the tacho was sitting on 2500 rpm. This seems about 500 rpm too high. Can anyone advise if this normal or I have a problem.

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Posted: Mon May 02, 2005 10:19 pm 
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Thats about right for the V8 with 3.23 gears.
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Posted: Mon May 02, 2005 10:21 pm 
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It does seem a little high, chech what diff gears you've got, they might be 3:7's or 3:9's, which will make it rev harder at 110km/hr.

I have the V8 with 3:45 diff gears and that sits on about 2200rpm i think at 110km/hr

 

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Posted: Mon May 02, 2005 10:24 pm 
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Hrmm, when I had auto with 3.23 gears it was more like spot on 2000rpm at 110km/h. Maybe you have different diff gears fitted?

What speed can you get out of first?

 

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Posted: Mon May 02, 2005 10:32 pm 
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The diff is std 3.27 and I don't think the auto has been changed.
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Posted: Mon May 02, 2005 10:33 pm 
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voxace wrote:
Hrmm, when I had auto with 3.23 gears it was more like spot on 2000rpm at 110km/h. Maybe you have different diff gears fitted?

What speed can you get out of first?


Yeah thinking about it, its probably around 2000rpm with an auto. The trans is going into 4th isn't it? Also see if you can feel the torque convertor lockup? Otherwise as offyaguts said, you may have 3.7 or 3.9 gears in there.
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Posted: Mon May 02, 2005 10:37 pm 
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have to got aftermarket rims?? they will make a difference too.

 

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Posted: Mon May 02, 2005 10:42 pm 
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EDXR8 wrote:
Also see if you can feel the torque convertor lockup?

how do u feel if it locks up?

 

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Posted: Mon May 02, 2005 10:53 pm 
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mitch_anderson wrote:
how do u feel if it locks up?


Whan you come off throttle you can just feel it lock up and the revs drop a bit. Also if you are cruising at 110kph under light throttle, slowly give it more throttle and you should feel it unlock. Its often called fake fifth gear, its just like a very subtle gear change.
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Posted: Tue May 03, 2005 2:32 pm 
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my EDV8 fairmont 5.0L with 3.27 diff @ 110kph was 2000 rpm.
I changed diff last week to LSD 3.7 and now @ 110kph revs are 2400 rpm.

Check diff.

Richie.

 

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Posted: Wed May 04, 2005 8:50 pm 
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I have checked diff and tag says its 3.27, the auto seems to be working o.k , selects 4th and Torque converter locks and unlocks etc.

Possible faulty tacho?

Also can anyone tell me which pins on diagnostic connector the test LED can be connected to get fault codes.

My EB has the test connector next to the master cylinder.

Thanks
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 Post subject: Rpm's
Posted: Thu May 05, 2005 12:28 am 
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voxace wrote:
Hrmm, when I had auto with 3.23 gears it was more like spot on 2000rpm at 110km/h. Maybe you have different diff gears fitted?

What speed can you get out of first?

(well mine is spot on 2000rpm's @110km

[quote="xr8chic"]have to got aftermarket rims?? they will make a difference too.
rims dont make any diffrence as I have 18's :lol:

 

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