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Go Back   Australian Ford Forums > Ford Australia Vehicles > Small and Mid Sized Cars > Escort, Cortina, Sierra and Capri

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Old 07-07-2006, 05:17 PM   #1
mk2_1979_escort
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Default Sierra 5 speed

Hey guys,

Hope his question doesn't ensue any lively debates hahaha..... But anyways I have found a sierra 5-speed in my local trading post and wish to fit it to my 1979 4 door escort. My questions are;

1. Will my tail shaft need to be shorted or anything drastic like that.

2. Will the manual transmission tunnel need any modifications.

Also any other pointer would be great.

Cheers

James

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Old 07-07-2006, 06:59 PM   #2
tufLTD
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Quote:
Originally Posted by mk2_1979_escort
Hey guys,

Hope his question doesn't ensue any lively debates hahaha..... But anyways I have found a sierra 5-speed in my local trading post and wish to fit it to my 1979 4 door escort. My questions are;

1. Will my tail shaft need to be shorted or anything drastic like that.

2. Will the manual transmission tunnel need any modifications.

Also any other pointer would be great.

Cheers

James
Hey James,
It should bolt straight in. The tailshaft should be OK for length too. You may have to cut a hole further back for the shifter, I know in Mk1's the shifter sits about 2" further back with the Sierra box.
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Old 07-07-2006, 07:45 PM   #3
Perana
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Depending on the tunnel (some are narrower than others) the original rear gearbox mounts (that are welded to the floor) may need moving as the box is a fair bit wider and won't fit. You'll also need a longer speedo cable.
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Old 07-07-2006, 10:02 PM   #4
V8falcons
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Hi got a sierra 5 speed box in My RS .use a auto cross member and its a straight bolt up,though you need to move the gear lever hole back 2-3" and use a cortina 4 cyl(longer) speedo cable.
The ratios are no different to stock your just getting the 5th gear OD for express way use only.
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Old 08-07-2006, 02:45 PM   #5
eski666
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Quote:
Originally Posted by vctxr6ute
Hi got a sierra 5 speed box in My RS .use a auto cross member and its a straight bolt up,though you need to move the gear lever hole back 2-3" and use a cortina 4 cyl(longer) speedo cable.
The ratios are no different to stock your just getting the 5th gear OD for express way use only.
Auto cross member hey?? Never thought of that! Should look into that as I have a very VERY dodgy set up lol!!!
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