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bb bb is offline
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Join Date: Jan 2001
Location: Stow, Ohio,
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question on installing 2.7 cis pistons

I am assembling the pistons back to the rods on my 2.7 with CIS pistons. The question I have is which way does the hump on the piston go, I marked where the pistons went but not which way(180 degrees)?

thanks

Old 03-17-2002, 02:15 PM
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the hump goes to the left, as you look at it. left bank faces forward, right bank faces to the rear.
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Old 03-17-2002, 02:56 PM
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thanks, what's the reasoning for this?
Old 03-17-2002, 04:36 PM
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so most of the air/fuel mix is around the sparkplug, which is situated on the right center area of the head.

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Old 03-17-2002, 06:06 PM
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