[ROVERNET - UK] Rover P6B - fitting of headers

Paul Smith Paul.Smith at auroraenergy.com.au
Thu Feb 22 04:39:59 GMT 2007

The best exhaust improvement for a P6B is still the 3500S 
(four speed manual) type cast iron manifolds with their 
larger outlets and larger downpipes...if you can find a 
set.  They are significantly better than those fitted to 
P6B automatics and are not as prone to crack since they 
lack the provision for intake heat and thus have a 
uniformly smooth outer surface.

Intake heat??  Hot air from around exhaust manifold to prevent venturi icing?
Not in Australian cars!


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