csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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WOuld my gear box from x16xe would fit c18xe ? as much as i see and know, blocks r the same from outside, mounts and things , so there shouldnt be a problem to fit x16xe gearbox tot the c18xe one, is that ok ?
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monkeytwizzel 
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Registered: 10th Aug 11
 Location: Chard, Somerset 
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yes.direct fit as they are both small block engines. 
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scottyp1989 
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Registered: 29th Jul 07
 Location: Warley, West Midlands 
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C18 isnt a small block is it
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csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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quote: Originally posted by scottyp1989 
C18 isnt a small block is it 
   
 
thats what i thought too mate, thats why i asked, its not x18 , its c18  
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shaned12345 
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Registered: 28th Sep 10
 Location: Melton Mowbray, Leicestershire 
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c18 is a big block i'm 99 percent sure. 125bhp. x18 only has 115.
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monkeytwizzel 
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Registered: 10th Aug 11
 Location: Chard, Somerset 
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Got that mixed up sorry,no your right it c18/x18 is big block x18xe1 small block.so best choice of box would be f16/f18?
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csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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quote: Originally posted by shaned12345 
c18 is a big block i'm 99 percent sure. 125bhp. x18 only has 115. 
   
 
c18 should 135 bhp
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csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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quote: Originally posted by csifku 
quote: Originally posted by shaned12345 
c18 is a big block i'm 99 percent sure. 125bhp. x18 only has 115. 
   
 
c18 should 135 bhp 
   
 
do ut hink flywheel is same as x16 one or no, mean if i do engine exchange i need new gear box, new clutch atc ..
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monkeytwizzel 
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Registered: 10th Aug 11
 Location: Chard, Somerset 
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small block flywheel is 6 bolt,big block flywheel is 8 bolt. 
clutches are different dia so i guess that the flywheel is also,there is a company that make a 6 bolt flywheel in the big block dia so maybe they do one the other way round.
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csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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quote: Originally posted by monkeytwizzel 
small block flywheel is 6 bolt,big block flywheel is 8 bolt. 
clutches are different dia so i guess that the flywheel is also,there is a company that make a 6 bolt flywheel in the big block dia so maybe they do one the other way round. 
   
 
so i need f18 or f16 gearbox,t hats fine, and clutch for it, thats fine .. and so big block engine garbox uses c18/c20 driveshafts .. yes ? so x14/x16/or x18xel would use my normal f13 gearbox ??
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RCorsa 
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Registered: 15th Sep 13
 Location: West Midlands 
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Isn't C18XE a small block? Wasn't it the C18SE that was the big block? 
 
Edit - Bloody hell I have confused myself there, being 'C18's' they must of course both be big block, C16SE was small block. 
 
[Edited on 25-09-2013 by RCorsa]
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csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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so im confused now people. :/
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gazza808 
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Registered: 30th Jun 08
 Location: Peterborough  
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C18xe is big block. 
X18xe1 is small block. 
Z18xe is small block.  
In theory all gearboxes will fit all engines, just you need either a custom clutch plate or find one that will work.
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csifku 
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Registered: 14th Aug 12
 Location: Maidstone 
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quote: Originally posted by gazza808 
C18xe is big block. 
X18xe1 is small block. 
Z18xe is small block.  
In theory all gearboxes will fit all engines, just you need either a custom clutch plate or find one that will work. 
   
 
thank you mate, so i need f16 and above for c18xe yes ? 
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gazza808 
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Registered: 30th Jun 08
 Location: Peterborough  
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quote: Originally posted by monkeytwizzel 
small block flywheel is 6 bolt,big block flywheel is 8 bolt. 
clutches are different dia so i guess that the flywheel is also,there is a company that make a 6 bolt flywheel in the big block dia so maybe they do one the other way round. 
   
 
Also wrong as the later big blocks flywheels are 6 bolt as they won't fit a c20xe/let
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