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i run an cav eco sri which i believe is the f18 gearbox i have been offered a f20 gearbox ive been told it will fit but is it worth it and will it make any diffrence???
 

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**VxON Photographer of the year 2008***
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no point mate.. ratios are exactly the same... all cavalier close ratio boxes have the same ratios... the exact tooth counts on cogs varies.. but the end ratios are the same.

all you would be doing is swapping a newer box for an older one... with likely more miles.. (plus ive never found F20's to be as smooth to use)

in each gear at each RPM you will be doing the exact same speed with both boxes... so its just not worth it
 

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i have a calibra i think it has the f20 box in it and its f**ked so could i fit an f18 box in it then,my engine is the c20xe (redtop engine)

cheers
 

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i have a calibra i think it has the f20 box in it and its f**ked so could i fit an f18 box in it then,my engine is the c20xe (redtop engine)

cheers
Your would be best fitting another F20 really.
 

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any1 know a good cheap f20 box kicking about that might be for sale.
 

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Thats true:Cool2: Why do you think i only own early Gsi models ;)
 

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8v Power!
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my calibra doesnt have an ispection plate on it :mmmm

so what box is that then?

i stay in central scotland.
 
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