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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
12.5:1 the good & the bad!
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<blockquote data-quote="bunits19714" data-source="post: 15134027" data-attributes="member: 171001"><p>Wanting to forge the short block on my 14' coyote- Am currently na now with full bolt-on and converter. Planning on adding a 250+ N2O shot - weather it be a progressive fogger or 2 stage plate/fogger. Was thinking of going to a 12.5 compression piston. Anyone out there running that much compression. I know there is a lot of 11.5:1 pistons out there. Does the increased dome height case any inherit valve clearance issues? Running the right fuel isn't a issue/concern because I don't have a issue with running good fuel. car only sees about 2k miles a year. Was also thinking about upgrading to larger cams/valve springs while the motor was out and was getting opg's & balancer. Goal is to run high 10's on the motor and mid 9's on the juice. Eventually going to a single turbo a few years down the road as the budget allows. So any insight /thoughts on the 12.5:1 compression? thanks in advance.</p></blockquote><p></p>
[QUOTE="bunits19714, post: 15134027, member: 171001"] Wanting to forge the short block on my 14' coyote- Am currently na now with full bolt-on and converter. Planning on adding a 250+ N2O shot - weather it be a progressive fogger or 2 stage plate/fogger. Was thinking of going to a 12.5 compression piston. Anyone out there running that much compression. I know there is a lot of 11.5:1 pistons out there. Does the increased dome height case any inherit valve clearance issues? Running the right fuel isn't a issue/concern because I don't have a issue with running good fuel. car only sees about 2k miles a year. Was also thinking about upgrading to larger cams/valve springs while the motor was out and was getting opg's & balancer. Goal is to run high 10's on the motor and mid 9's on the juice. Eventually going to a single turbo a few years down the road as the budget allows. So any insight /thoughts on the 12.5:1 compression? thanks in advance. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
12.5:1 the good & the bad!
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