Thread: Out of interest the differences with a 90 spec rst??
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Old Feb 18, 2012 | 11:08 PM
  #13  
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GVK.
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From: Lincs.
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S1 engine had different cylinder head with round exhaust ports and only oil cooled turbo

S2 water cooled turbo and D shape exhaust ports.

Inlet manifolds different.
Last edited by GVK.; Feb 18, 2012 at 11:11 PM.
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