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mca mca is offline
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Join Date: Apr 2006
Location: Charleston, SC
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Question about JE pistons on CIS

Just curious, but how is it that the JE pistons work with CIS?

They don't have that smooth dome like the original Mahle pistons.

I thought that the Mahle domes were shaped this way to "swirl" the air and fuel for better combustion? Are the JEs just as good despite their very different dome shape?
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82 911SC Coupe Chiffon / Chocolate
9.5 JEs, 964 Cams, SSIs, Dansk Exhaust, CIS (SOLD)
Old 09-03-2008, 09:19 AM
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