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Author Topic: Cylinder Heads  (Read 368 times)

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Cylinder Heads
« on: 21 June 2018, 13:19:42 »

Hi Guys,

Can anyone tell me are the heads in a 2.5 the same as the 3.2?

If not are the camshafts interchangeable?

Thanks in anticipation

Marks DTM Calib

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Re: Cylinder Heads
« Reply #1 on: 21 June 2018, 13:59:43 »

No, the combustion chamber on the 2.5 heads is smaller than the 3.2 and the inlet tracks slightly narrower.

You can fit them (check they are a post 1997 head with the additional webs between cam areas to take the coil pack bolts) on a 3.2 to raise compression back up to that of the 3.0 but you will need to port the inlet slightly to match the inlet divider.
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