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Mark Crowe Mark Crowe is offline
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Join Date: Apr 2007
Location: South Africa
Posts: 83
3.2 heads on 3 litre turbo

I have a 3 litre Turbo, 1977 model. I spoke to a Porsche tuner in Europe who says that one way of getting more power is to fit a set of 3.2 cylinder heads, with SC cams.

Other people have subsequent told me that these heads will not fit/ perform- any guidance appreciated. I can twin plug them before installation- not sure if it is worth the effort, seems that benefit appears to be felt on 100 mm or larger pistons.

I will use either a 3.2 manifold , or a custom made one with the heads( if they fit!) as well as a custom EFI which can drive a twin spark set up if required.

If the advise is that 3.2 heads won't work, any suggestions to what steps to improve the current 3 litre set up? Have an inter cooler ready to install ( the 3 liters came without one) and may go the twin turbo route a later point

Old 02-20-2008, 03:19 PM
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