Thread: 2.7 cam choices
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mikedsilva mikedsilva is offline
Join Date: Jul 2013
Location: Brisbane, Australia.
Posts: 1,218
Still learning at this stage...
My understanding is that the CIS pistons have a unique dome shape to help promote a better spread of the intake charge...
If changing to an aftermarket piston with higher compression, I assume none of them have that same cis-piston dome shape.. is there any downside to this? ie, is the potential gain from the compression increase, offset by the less than ideal swirling and mixing of the intake charge?
Old 07-27-2020, 08:26 PM
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