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[P6UL K]

Are they the same across the V6 range?

A friend has a 3.0 and is looking to get a second pair to gas flow, port & get sportier cams in while still being able to use his car then swap over once the works have been done.

As a stab in the dark I'm assuming 2.5/3.0 are the same?

[Kevin Wood]

The combustion chambers will be different sizes between 3.0 and 2.5.

A 2.5 head will raise compression, which might be beneficial if tuning, but I believe we worked it out once, and it was north of 12.5:1, which is a little too much, so I'd stick with a 3.0 head.

I believe the 3.2 head is similar, with a dish in the piston having been used to raise the combustion chamber volume, so that might be a possibility too.

[P6UL K]

Ok thanks Kevin, I just needed to clarify before I put a wanted thread up.