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EF/EL diff ratios per model? 

 

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 Post subject: EF/EL diff ratios per model?
Posted: Thu Jul 29, 2010 10:37 am 
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Hey guys,

Drove the new setup for the first time in the wet this morning :shock: and realised I need to get the Lokka in there ASAP, but don't want to chuck it into the 3.08 that is in there currently.

As the car is still a daily, changing just the gear set will be tricky, so am thinking of tracking down a complete diff with the ratio I need (also will allow me to clean it up and paint it)

But, I'm not sure if anything came out with 3.45's in an single spinner? LSD is no good for the Lokka.

So does anyone know what ratios came with what models? eg: Fairmont etc

I'm guessing XR6's came out with LSD's so no good there, but am hoping maybe some of the upspec models had open wheel higher ratios?

Anyone.
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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Jul 29, 2010 12:51 pm 
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the EF fairmont came out with 3.23 gears, not sure if an o/w 3.45 was available
doesnt the lokka still need to be setup correctly with new bearings and shims etc?
and u would be looking for a set of lower ratio gears
i may know of someone with bare 3.45 gears, no centre etc
then just grab a diff from upi, minus axles etc would be cheap enough
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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Jul 29, 2010 1:40 pm 
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some AU's came with 3.45 open centres. My XR8 had a 3.45LSD, a standard open centre bolts in to the 3.45 gears. bTW, I have some 3.45 gears for sale, thread coming in the next few days....

 

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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Jul 29, 2010 1:47 pm 
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XRfairmont67 wrote:
the EF fairmont came out with 3.23 gears, not sure if an o/w 3.45 was available
doesnt the lokka still need to be setup correctly with new bearings and shims etc?
and u would be looking for a set of lower ratio gears
i may know of someone with bare 3.45 gears, no centre etc
then just grab a diff from upi, minus axles etc would be cheap enough

I guess I could do it that way. From what i have read, the Lokka can be setup without needing a diff spreader, which is needed if changing ratio.

I have the disc of images done, will have to work out a time to catch up soon.
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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Jul 29, 2010 2:08 pm 
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yeah, no probs

someone on psf had a thread about changing diff ratio's or lsd centre a while ago, may be worth a look, he may be able to help u out?
http://prostreetfords.com/index.cgi?boa ... 178&page=1

Last edited by XRfairmont67 on Thu Jul 29, 2010 3:45 pm, edited 2 times in total.

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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Jul 29, 2010 3:09 pm 
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With your setup that revs to 6k plus I'd go for 3.7s or similar (from ebay) and drop them with your lokka into your current diff.

 

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 Post subject: Re: EF/EL diff ratios per model?
Posted: Mon Aug 02, 2010 6:43 am 
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Sorry to side track the thread somewhat, but I have a related question.

I've heard that the gears are all interchangable with the different housings except for the 3.08:1 housing, which was slightly different. Is that correct?

I've got a lokka going in some time soon and I need to get some 3.7:1 gears and want to know if i need to find a new housing or not. (I've currently get a 3.08 diff)

 

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 Post subject: Re: EF/EL diff ratios per model?
Posted: Mon Aug 02, 2010 10:16 am 
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have fitted 3.27 gears into 2.92 housings....no probs.
The 2.77 housing is different.

 

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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Sep 09, 2010 8:00 pm 
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Have had a bit of clunking on take off, had a look underneath tonight, diff has a huge amount of play :cry:

So time to decide on ratio and put the lokka in, but,

depending on what you read, there may or may not be a problem with housings?

Currently it has the stock EF 3:08 single spinner, I have a brand new 4WD Systems lokka ready to go in.

Wanting to put in 3:7's, will they fit into the 3:08 housing?

and anyone have a good source for the gears?
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 Post subject: Re: EF/EL diff ratios per model?
Posted: Thu Sep 09, 2010 8:28 pm 
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for 3.7 gears look at Pintara Manual, auto's had 3.9's
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