Exhaust manifold and systems

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John Murch
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Joined: Sat Jun 05, 1976 11:00 pm
Location: London, United Kingdom

Exhaust manifold and systems

Post by John Murch »

I seem to recall that the exhaust manifold on the 3ltr is different to that on a 4.5. Is it of different bore? How much difference to power output might this make, and does a four branch tubular system give significant benefit?
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