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Old May 12, 2005 | 12:24 PM
  #1  
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Default Silly Question...Maybe..

What is the differance between the red top and blue top cosworth lumps.
stupid I know but if you dont ask you wont find out.
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Old May 12, 2005 | 12:26 PM
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You forgot about the green tops
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Old May 12, 2005 | 12:26 PM
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Red top are non-cat equipped Sierras, green top are cat equipped Sierras and Blue top are cat equipped Escorts...
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Old May 12, 2005 | 12:27 PM
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nothing much between the red and blue ones as i recall

the green tops were the last saph's and signified it had a cat on it

red was saph and 3dr engine and blue was esc cos if i remember rightly

matt
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Old May 12, 2005 | 12:28 PM
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If it's an old cosworth i.e. 3 door.... the red top will mean that it started life out as a leaded 4 star petrol runner. Blue meaning newer and unlead!!

not 100% might need someone to back me up??
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Old May 12, 2005 | 02:16 PM
  #6  
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Originally Posted by slowpoke
nothing much between the red and blue ones as i recall

the green tops were the last saph's and signified it had a cat on it

red was saph and 3dr engine and blue was esc cos if i remember rightly

matt
There are HUGE differences between these engines : Block, head, pistons, turbos, ECU, inlet plenums, exhaust manifolds etc etc. .
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Old May 12, 2005 | 02:18 PM
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FPMSL @ Mike
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Old May 12, 2005 | 02:19 PM
  #8  
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However, you do get the very rare 4x4 redtops where that statement about there being very little difference actually holds true .
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Old May 12, 2005 | 03:08 PM
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Default Re: Silly Question...Maybe..

Originally Posted by S2_Steve
What is the differance between the red top and blue top cosworth lumps.
stupid I know but if you dont ask you wont find out.
The only stupid question is one that doesn't get asked...
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