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Turbo Boost Me!
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Discussion Starter · #1 ·
anyone know the stroke and bore size of a 2.0 blacktop?
 

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MEG Corporal
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866 Posts
Avinitlarge said:
anyone know the stroke and bore size of a 2.0 blacktop?
Bore = 84.8mm
Stroke = 88.0mm
 

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Resident LED Guru
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2,912 Posts
its the same across the whole zetec range including the duratec st(170) and the duratec RS
 

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Turbo Boost Me!
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Discussion Starter · #4 ·
Hmmm, Im sure the CC between the silvertop and blacktop was different, Obviously not
 

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MEG Corporal
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Avinitlarge said:
Hmmm, Im sure the CC between the silvertop and blacktop was different, Obviously not
The Blacktop has shorter piston skirts but the displacement is the same.
 

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Resident LED Guru
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its got shorter pistons, but longer rods, but total length is teh same. Just makes the swinging angle less
 

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Turbo Boost Me!
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Discussion Starter · #7 ·
I know that but im 99% sure I saw it some where and I read that the CC's were different, God knows
 

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Resident LED Guru
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they are definatly the same. Just cant find any evidence to prove it. lol

If you really wanted to know and dont belive me then maybe teh focus forums would be best as obviously other will just assume on here taht they are teh same. The focus never came with a silvertop to confuse teh matter
 

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Turbo Boost Me!
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Discussion Starter · #9 ·
Im not saying I dont belive you, It could be me that has my wires crossed
 

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Resident LED Guru
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didnt think that you didnt believe me TBH, just for your own piece of mind
 

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Turbo Boost Me!
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Discussion Starter · #11 ·
Is it the compression ratio thats different then?? I know there is something different between the silvertop and blacktop
 

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MEG Corporal
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Avinitlarge said:
I know that but im 99% sure I saw it some where and I read that the CC's were different, God knows
hi yes the silver top is 1998cc and the black top is 1989cc
 

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Resident LED Guru
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2,912 Posts
both are 1988cc
 

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Turbo Boost Me!
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Discussion Starter · #16 ·
It doesnt matter now, I just wanted to work out my C/R, Acording to some techy bloke its 7.82:1
 
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