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EB 5L V8, Revs in 4th? 

 

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 Post subject: EB 5L V8, Revs in 4th?
Posted: Thu Jun 07, 2007 10:35 pm 
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What sort of revs should a EB V8 be doing at around 100Ks. I took a test drive tonight and it took untill 4000rpm to change to 2nd then it went to 3rd and was reving at 2500rpm at 90kms and didnt change up to 4th at all as far a I could tell. If there is a problem is it ECU related or box related?

 

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Posted: Thu Jun 07, 2007 10:38 pm 
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what kms did your do what KM/H did you do my eb 3.9 doesn't change to fourth at any speed (had it up to 160 ) no fourth change i have a dodgey Gearbox so i assume that the eb you drove has a dodgey gearbox ( assumeing 4 speed auto if manual change gear dude:P)

 

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 Post subject: Re: EB 5L V8, Revs in 4th?
Posted: Thu Jun 07, 2007 10:43 pm 
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{USERNAME} wrote:
What sort of revs should a EB V8 be doing at around 100Ks. I took a test drive tonight and it took untill 4000rpm to change to 2nd then it went to 3rd and was reving at 2500rpm at 90kms and didnt change up to 4th at all as far a I could tell. If there is a problem is it ECU related or box related?
check your diff ratio

 

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Posted: Thu Jun 07, 2007 10:44 pm 
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{USERNAME} wrote:
what kms did your do what KM/H did you do my eb 3.9 doesn't change to fourth at any speed (had it up to 160 ) no fourth change i have a dodgey Gearbox so i assume that the eb you drove has a dodgey gearbox ( assumeing 4 speed auto if manual change gear dude:P)


I did manual changing as well as in drive and no sign of 4th as far as I could tell. I would have thought that a V8 in 4th at 100ks would be reving at only about 1800RPM.

 

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Posted: Fri Jun 08, 2007 12:17 am 
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id say u need a inhibitor switch

 

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Posted: Fri Jun 08, 2007 11:18 am 
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auto should lock up in 4th around 70kph. mine will lock up at 60kph in 4th but at 100 it revs at about 2500 but that could have something to do with the 3.9's in the diff :wink:

eb v8's i think only had a 3.27 std so should rev somewhere round the 2k mark give or take.

you looking at getting rid of your wagon? i had a ef xr6 wagon and now drive an ebv8. hmmm

 

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Posted: Fri Jun 08, 2007 11:53 am 
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{USERNAME} wrote:
what kms did your do what KM/H did you do my eb 3.9 doesn't change to fourth at any speed (had it up to 160 ) no fourth change i have a dodgey Gearbox so i assume that the eb you drove has a dodgey gearbox ( assumeing 4 speed auto if manual change gear dude:P)


you sure you dont just have the three speed? :lol:

 

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Posted: Fri Jun 08, 2007 6:21 pm 
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{USERNAME} wrote:
auto should lock up in 4th around 70kph. mine will lock up at 60kph in 4th but at 100 it revs at about 2500 but that could have something to do with the 3.9's in the diff :wink:

eb v8's i think only had a 3.27 std so should rev somewhere round the 2k mark give or take.

you looking at getting rid of your wagon? i had a ef xr6 wagon and now drive an ebv8. hmmm


Not getting rid of the wagon just buying for the missus so I can do some work to the wagon.

 

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Posted: Fri Jun 08, 2007 6:23 pm 
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{USERNAME} wrote:
{USERNAME} wrote:
what kms did your do what KM/H did you do my eb 3.9 doesn't change to fourth at any speed (had it up to 160 ) no fourth change i have a dodgey Gearbox so i assume that the eb you drove has a dodgey gearbox ( assumeing 4 speed auto if manual change gear dude:P)


you sure you dont just have the three speed? :lol:


Nah it has the 123D in the console. Its a 93 model.

 

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Posted: Fri Jun 08, 2007 6:26 pm 
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Its a no go guys I discussed it with the missus and we both had a gut feeling that something was up. These guys just seemed too keen to get rid of it they just talked too much and it made me suss. As they say go with your gut its usually right.

 

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Posted: Sat Jun 09, 2007 7:25 am 
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its definatly in LHM 100%

and your on 2500rpm with 3.9's i sit on 1800 rpm @ 100kph and i have 3.45's i beleive 3.9's would be 2700 and 3.7's 2400 ish
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Posted: Sat Jun 09, 2007 1:45 pm 
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{USERNAME} wrote:
its definatly in LHM 100%

and your on 2500rpm with 3.9's i sit on 1800 rpm @ 100kph and i have 3.45's i beleive 3.9's would be 2700 and 3.7's 2400 ish


has yours been changed since it left the factory as 1800 seems a bit low for a 3.45 diff.

mine was a guesstimate as i don't have a tacho. i don't reckon it would be 2700 though.

 

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Posted: Sun Jun 10, 2007 6:41 pm 
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{USERNAME} wrote:

you sure you dont just have the three speed? :lol:


I have heard of people throwing in a BW 3 speed auto because of the cost of the BTR 4 speed. I wouldn't be surprised it was a 3 speeder in there.

Mike

 

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