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diff ratio of a 4dce 

 

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 Post subject: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 5:52 pm 
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whats the diff ration of a 4dce? I have a 3.23 ( lsd) on a 94 ef fairmont sedan and I know 4dcg will fit but I read the 4dce is a cop option and I can get both for the same price..... and if the copper one will go I would rather that. Need to know guys as soon as I can if possible please
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 Post subject: Re: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 6:12 pm 
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Ohh the cop one will be Much better!




Nearly every OPT20 car i have encountered has had a 3.23:1.

 

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 Post subject: Re: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 6:15 pm 
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Krytox wrote:
Ohh the cop one will be Much better!




Nearly every OPT20 car i have encountered has had a 3.23:1.

yeah man I am hopeing they have a 3.23 ratio, just dont want to stuff the speedo reading if they are not. You would think the copper one would be 3.23 not 3.45........ Just need conformation
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 Post subject: Re: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 6:22 pm 
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read the sticker or at least count it yourself?

 

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 Post subject: Re: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 6:30 pm 
Getting Side Ways
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just read on the link under ecu codes and from tiperformance its a 3.08 diff and it says nothin about the copper ecu, but some guys on here says its a copper 3.23 ecu...... what to believe? Just need a straight forward answer
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 Post subject: Re: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 6:54 pm 
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Fairmonts were standard issue with 3:23 diff single spinner. Series 1 was 1994.
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 Post subject: Re: diff ratio of a 4dce
Posted: Mon Nov 21, 2011 6:59 pm 
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so, SWC is the 4dce an opt20 ecu? Also whats the code you have on the spare you have and how much do you want for it?
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