Quote:
Originally Posted by mbonwick
... and were fine until the ported head/metal manifold went on.
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I've reviewed the whole thread to try to get a clear picture. You have a VVC manifold and a replacement head which has been ported. You've also been struggling with this for a month.
How about putting the engine back to standard? Can you refit your factory cylinder head and inlet manifold? i haven't seen any mention of changes to the exhaust system or fuelling to complement the modified head and inlet manifold.
Simon