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3.45:1 Diff.... Out of what car ? 

 

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Posted: Sun Mar 19, 2006 11:11 pm 
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Posted: Mon Mar 20, 2006 2:11 pm 
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could someone please explaine which diff is which? and if im putting one into an eb do i need the complete disc to disc job, or just the centre or what?

 

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Posted: Mon Mar 20, 2006 2:44 pm 
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Any EB to AU XR will have a live axle 3.45 LSD diff. EF2 and EL Fairmont Ghia's had them (V8 and I6). So did NL Fairlane Concordes. The only one I'm not sure of are the DF/DL LTD's.

Obviously EB to ED will have the same disc/caliper/handbrake setup. You can fit an EF/EL diff into an EA to ED if wanted.

EA's have a smaller bush in the lower arms, so spaces would have to be put in to put out the mount point.

You can swap the brake and axle assembly from an EB/ED diff into an EF/EL diff if you want to keep the brake setup. But will have to do some magic cable tying to mount the brake lines.

Or you can put an EF/EL diff into an EA to ED, and use the EF/EL calipers if need be. Just need to be a little creative with the brake line bending and placement across the diff. EF diffs are a little easier to use as the handbrake mounts across the diff can be used to hold and support the brake lines. But you also must have 15" wheels to do this. EF/EL calipers dont fit under 14" rims (they do for some, but its a F**k tight fit). Plus you get the use if the EF/EL handbrake that doesnt seize up every 2 weeks.

Or if really wanted, you could just swap the centres... Providing the diff your swapping the 3.45 into is not a 3.08 or below... As the centres physically do not fit into into the housings.
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Posted: Mon Mar 20, 2006 2:50 pm 
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Posted: Mon Mar 20, 2006 7:06 pm 
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arm79 wrote:
Any EB to AU XR will have a live axle 3.45 LSD diff. EF2 and EL Fairmont Ghia's had them (V8 and I6)..

i thought xr8's had the 3.23:1 LSD

 

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Posted: Mon Mar 20, 2006 9:02 pm 
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smoke_rubber wrote:
arm79 wrote:
Any EB to AU XR will have a live axle 3.45 LSD diff. EF2 and EL Fairmont Ghia's had them (V8 and I6)..

i thought xr8's had the 3.23:1 LSD


the 3.23:1's were fitted to normal V8's. (non XR8's) :?:

 

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Posted: Mon Mar 20, 2006 9:21 pm 
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Manual ED XR8's got the 3.27
Autos got the 3.45
Also thought the XR6's worked the same, 3.27 manual, 3.45 auto.

 

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Posted: Mon Mar 20, 2006 9:43 pm 
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Steady ED wrote:
Manual ED XR8's got the 3.27
Autos got the 3.45
Also thought the XR6's worked the same, 3.27 manual, 3.45 auto.


I thought that ALL XR6's got the 3.45, regardless of tranny???

After reading up on it, yes V8 e-series auto monts got a 3.23.

Surely someone around here knows the answer...

What about 4.9EFFUTURA. That guy seems to be a friggin' human Ford library :)
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Posted: Mon Mar 20, 2006 10:12 pm 
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I'm talking EA-ED.
I got no f**k idea EF-EL's
EA-ED's didn't get 3.23's as far as I know, we got the 3.27's.

 

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Posted: Mon Mar 20, 2006 10:15 pm 
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3.23's were for EF/EL, 3.27's for the earlier models

 

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Posted: Tue Mar 21, 2006 11:24 am 
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so which dif is which, and which one is best?

 

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2.5" Lukey cat back system. Monroe GT Gas shocks + struts.

just dyno'd at 140.9RWKW

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Posted: Tue Mar 21, 2006 11:50 am 
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EBeast wrote:
so which dif is which, and which one is best?


for you mate, seeing as your car is an EB, id go a 3.45, cos its a straight swap. you just have to find a diff from the right car to make it as painless as possible, like an ED xr6 or EB if they have a 3.45, or you can do what i did and steal one off a NC fairlane :D

 

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Posted: Tue Mar 21, 2006 5:39 pm 
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EL Ghia definately has 3.45.

I have dirty hands to prove it. Its on a sticker on the diff. Im 100% sure and dirty hands to prove it

 

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Posted: Tue Mar 21, 2006 7:19 pm 
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EB V8 wrote:
EL Ghia definately has 3.45.

I have dirty hands to prove it. Its on a sticker on the diff. Im 100% sure and dirty hands to prove it


well for some stupid reason mine has a 3.23lsd??????

so my shift points will be out ?? and when i go back to a 3.45lsd should i notice an increase from 0 to say 160 in accelration
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Posted: Tue Mar 21, 2006 7:50 pm 
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kezz wrote:
EBeast wrote:
so which dif is which, and which one is best?


for you mate, seeing as your car is an EB, id go a 3.45, cos its a straight swap. you just have to find a diff from the right car to make it as painless as possible, like an ED xr6 or EB if they have a 3.45, or you can do what i did and steal one off a NC fairlane :D


ok, so for this do i just need the centre or the disc to disc? and how will this benefit performance? (im pretty new to diff's) and roughly how much will it cost?

 

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1993 EBII GLI, IT'S PERFORMANCE Stage 3 engine,
XH Snorkel, K+N panel, Pacie 4480, High flow cat,
2.5" Lukey cat back system. Monroe GT Gas shocks + struts.

just dyno'd at 140.9RWKW

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