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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
VIC, Australia

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: 26

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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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86 ZL mint grandpa spec with premo sound and 150000km
07 TTG 60000km stock as, mods to come.
97 el futura about to be MOCKed

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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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