MMR .20 Over Pistons (Manley)

cl0wnd0wn

4V FTW!
Established Member
Joined
May 6, 2007
Messages
375
Location
Camano Island WA
I have some pistons that are brand new in the box. These were bought for my customers car and he changed plans on what he wants done. These pistons are MMRs .20 over pistons and there made by Manley.

Specs are in the pictures.

$700 Shipped OBO

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cobraman1024

Waiting to be Blown....
Established Member
Joined
Mar 29, 2007
Messages
1,016
Location
Fall River, MA
What compression would this be with stock unported 4V heads?

My Diamond pistons are an -11.5cc dish which come out to a 9.0:1 compression ratio so these -18cc dishes would probably come out to 8.5:1 or so. Port work on your heads wouldn't make any noticeable difference in compression ratio. Decking the head would make a slight difference.
 
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