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4.11 diff gears 

 

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 Post subject: 4.11 diff gears
Posted: Sat Nov 22, 2008 4:38 pm 
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i can get a set of 4.11 diff gears for my eb v8 what results will this make

i kinda think it will be heaps quicka of the mark but rev the guts out of it for 100 is that right?

how hard is it to change could you change it regularly

like 4.11s weekend and normal through the week kinda think sorry bout the dumb question but have no idea

thanx

 

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Posted: Sat Nov 22, 2008 4:43 pm 
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yeah pretty much, it will be quicker off the mark, and will rev a fair bit higher on thje freeway or at high speeds.

I would not like to be replaceing the diffs each weekend. Alot of work, just for that. you would be better off with 3.7's. bit of a compramise between the standard and 4.11

 

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Posted: Sat Nov 22, 2008 4:46 pm 
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Incidentally, what is the standard diff ratio?? Is there a spec doc around that shows this for the various models??

 

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Posted: Sat Nov 22, 2008 4:47 pm 
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will it be any different because its auto and the price is 100 so i might just try

 

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Posted: Sat Nov 22, 2008 4:47 pm 
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3.27 from memory isnt it.

 

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Posted: Sat Nov 22, 2008 4:51 pm 
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i wouldnt have any idea what mine is

 

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Posted: Sat Nov 22, 2008 4:54 pm 
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get under the car, look at the top rear of the diff and there will be a sticker. it will state the ratio, and to the right it will tell you if it is a LSD or a SS. im pretty sure tahts right. been a while since i had to look.

 

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Posted: Sat Nov 22, 2008 5:58 pm 
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i just did a search on ebay and found 3.89 gears but says its for lsd / irs? but then says it will fit eb?

hows that work?

 

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Posted: Sun Nov 23, 2008 2:24 am 
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if you're asking questions about swapping diff gears then forget it, you need special tools and you'll want someone to check that you've done it right.. but how could you do that?

The EF and EL glis came with 3.08s in the diff, the housing is also slightly smaller and therefore cannot be used with anything other than maybe 3.23s.

You'll have to buy a complete diff and go from there.

Good Luck!
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Posted: Sun Nov 23, 2008 4:10 am 
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im guessing you through sarcasm in there so ill explain for you

irs wasnt in falcons until the au wich was only added on the high end ghias im pretty sure

ive swapped centres before just not the gears alone

were did ef/el come into it i say at the top of the page i have an eb

ef/el diffs are not a straight swap int ebs either so im guessing your trying to have a go at me

wen i meant change the gears i mean centres have them sitting there,

but no dropping axles and removing centres is not what i want to do every weekend sorry i was generalising

thanx for the advice on the special tool ill go buy it

 

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