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diff gearing 3.45 or 3.23 help asap 

 

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 Post subject: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 13, 2010 7:28 pm 
Oompa Loompa
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Ride: ef fairmont ghia 95

Location: hillside
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hey guys

im just wondering wats the differnces between the gear ratios 3.45 and 3.23 and its an lsd diff too, like the accelleraction wise and that
which one do u recommend for a manual car for my ef fairmont ghia series 2 6cl
i no that the 3.23 gear ratio will have a lower rev at 100km n the 3.45 ratio will be in a higher rev
n that the 3.23 will make my gearing abit longer i think :S
but wat do u recommend i need help asap

cheers david

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 13, 2010 7:41 pm 
Oompa Loompa
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Ride: ef fairmont ghia 95

Location: hillside
VIC, Australia

preffer to have more accelleration
but my lsd is playin up the 3.45
and the 3.23 is rebuilt
so im abit confused
how much accelleration wuld i lose with the 3.23??

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 13, 2010 7:52 pm 
Getting Side Ways
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maybe not as much as you might think, your car is manual as well so its not like its going to be an auto with a 3.08 diff. O a performance note TAXI5L ran a 15.00 1/4 mile in his xh xr6 5sp with a 3.23 on good friday.

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 13, 2010 7:57 pm 
Oompa Loompa
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Age: 33

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Joined: 16th Aug 2009

Ride: ef fairmont ghia 95

Location: hillside
VIC, Australia

so u dnt reackon it will make a big differnece???

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 13, 2010 8:08 pm 
Getting Side Ways
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NSW, Australia

you might notice it a bit, but it only takes about 2hrs tops to swap the diffs over(if you can do it yourself) its a case of try it and see. If you dont like it save some cash and get the 3.45 done up, I had mine reco'ed a couple of weeks ago and it only set me back $770

 

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07 TTG 60000km stock as, mods to come.
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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 13, 2010 8:17 pm 
Getting Side Ways
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Ride: Ed v8 fairmont wagon, wr450f

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david21 wrote:
so u dnt reackon it will make a big differnece???


On the highway with 3.45's in it will sit 200rpm higher at 100 then 3.23 gears will..

phill
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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Fri Apr 23, 2010 3:23 am 
Getting Side Ways
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Ride: EF Falcon GLi

Location: ADELAIDE
SA, Australia

So same question, in a 4 speed auto if i have 3.23 and swap for a 3.45 is a noticible difference in take off, rpm ect? if it makes a difference i have a wade1645 in an EB body

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Sun Apr 25, 2010 10:00 am 
Stock as a Rock
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ford-racer46 wrote:
So same question, in a 4 speed auto if i have 3.23 and swap for a 3.45 is a noticible difference in take off, rpm ect? if it makes a difference i have a wade1645 in an EB body

im doing this swap today. my 3.23 is shagged and only replacement i could find was a 3.45 lsd.. 8-)
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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Sun Apr 25, 2010 11:56 am 
Technical Contributor
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I've had 3.08, 3.23 and 3.45's in my car, the best i found was the 3.23:1 I found with the manual combo I had a little more legs and felt more comfortable.

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Sun Apr 25, 2010 7:06 pm 
Getting Side Ways
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James84 wrote:
ford-racer46 wrote:
So same question, in a 4 speed auto if i have 3.23 and swap for a 3.45 is a noticible difference in take off, rpm ect? if it makes a difference i have a wade1645 in an EB body

im doing this swap today. my 3.23 is shagged and only replacement i could find was a 3.45 lsd.. 8-)

Well lucky you!! :cry:

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 27, 2010 9:58 pm 
Stock as a Rock
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Ride: 1977 Ford Escort/ 1994 Ford EF

Location: Traralgon
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ford-racer46 wrote:
James84 wrote:
ford-racer46 wrote:
So same question, in a 4 speed auto if i have 3.23 and swap for a 3.45 is a noticible difference in take off, rpm ect? if it makes a difference i have a wade1645 in an EB body

im doing this swap today. my 3.23 is shagged and only replacement i could find was a 3.45 lsd.. 8-)

Well lucky you!! :cry:

nope, unlucky me..
changed diff, took a few hours.
drove around the block, parked in driveway and found oil all around my rim.
wheel bearing was destroyed.
yeah.. awesome...
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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Tue Apr 27, 2010 10:09 pm 
Technical Contributor
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Power: 142 rwkw

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VIC, Australia

replace the axle with the other diff.
40mins = fixed.

 

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 Post subject: Re: diff gearing 3.45 or 3.23 help asap
Posted: Wed Apr 28, 2010 9:40 am 
Getting Side Ways
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I have the same issue, mines leaking, profix say its a seal, and its easy to fix tho

 

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Now, I've got a message for all the other drivers out there. If you smell a delicious, crispy smell after the race, it's not your tailpipe. It's just a little of Shake...and Bake!
SHAKE AND BAKE

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