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Most Effective E-Series Diff 

 

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 Post subject: Most Effective E-Series Diff
Posted: Wed Sep 03, 2008 12:03 am 
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Hi! What do you guys think the most effective diff for an EF would be for a slight increase in acceleration? Is the lower the ratio (ex. 1:1) the better the accelaration and the higher the ratio (ex. 5:1) the better the top speed?

For just giving a slight increase in speed without drastically decreasing top speed, what would be the most effective diff ratio?

Also, what's the ratio of the stock standard 1996 EF diffs?

 

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Posted: Wed Sep 03, 2008 12:18 am 
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You've got it the wrong way around. Eg 1:1 is towards top speed but slow acceleration, and 5:1 is for acceleration with a low top speed.

If you want more getup and go fit an XR 3.45 ratio, yours will have 3.27. Personally i have 3.7 in my EB and found it a good compromise between accl and cruising but if you spend the most amount of time on the highway than go for the 3:45 for a goo allrounder.

 

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Posted: Wed Sep 03, 2008 12:23 am 
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FLASH wrote:
You've got it the wrong way around. Eg 1:1 is towards top speed but slow acceleration, and 5:1 is for acceleration with a low top speed.

If you want more getup and go fit an XR 3.45 ratio, yours will have 3.27. Personally i have 3.7 in my EB and found it a good compromise between accl and cruising but if you spend the most amount of time on the highway than go for the 3:45 for a goo allrounder.


Thanks m8! :)

 

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Posted: Wed Sep 03, 2008 12:23 am 
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pretty sure stock standard EF single spinner diffs were 3.08's
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Posted: Wed Sep 03, 2008 12:28 am 
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Yeah they are 3.08's, pretty sure the V8's were the 3.27 or 3.23's

 

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Posted: Wed Sep 03, 2008 12:52 am 
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3.27 was for EB2/ED V8's and some XR6's, 3.08 for GLi, Futura, 3.23 For Fairmont and EF1 Ghia's, 3.45 for EF2 Ghia, EL Ghia, XR6 and EF2 onwards XR8

 

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Posted: Wed Sep 03, 2008 1:09 am 
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Fair enough, i was under the presumtion that they stopped with the 3.08 after the EB series 1.
My EB S had a 3.27 and so did my Fairmont. If the stockers in the EF / EL's are 3.08 then im feel sorry for ya... that sucks.

 

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