E30 Zone

Posted: **Sun Jul 07, 2013 7:43 pm**

Does anyone know if there is any difference apart from the cam between the b30 and the b35 cylinder heads?

Cheers

Jim

Posted: **Sun Jul 07, 2013 8:07 pm**

Different combustion chambers so CR would change. I expect the ports sizes are different and it has different valve sizes.

M30B30 cylinder head