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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Intake Porting Tips, Pics and info
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<blockquote data-quote="Intense/CP" data-source="post: 14228310" data-attributes="member: 154374"><p>The shape is very very similar on the 3.7 runners. All except for the "trapezoidal" shape there interrupting the oval shape but only on the edge of the exit. The 3.7 has that shape a little further in. On a 3.7, port matching the the upper to the lower and doing what has been mentioned...transitioning from the rounded square port to an oval instead of the "trapezoid" gained on the same dyno 12 peak hp and as much as 20 hp at the top end...gains everywhere with that customer. That said, I'm sure there is some positive attribute to the shapes such as throttle response maybe...efficiency down low...atomization?? </p><p></p><p>Though I'm tempted to do some porting, I'm hesitant because of a bad tuning experience with an auto. Without getting into all of it, I'm only thinking the '14.5 FRPP Track Key as far as tuning. From there, wheels...maybe an axle back. This car I want to drive the wheels off and actually enjoy it.</p></blockquote><p></p>
[QUOTE="Intense/CP, post: 14228310, member: 154374"] The shape is very very similar on the 3.7 runners. All except for the "trapezoidal" shape there interrupting the oval shape but only on the edge of the exit. The 3.7 has that shape a little further in. On a 3.7, port matching the the upper to the lower and doing what has been mentioned...transitioning from the rounded square port to an oval instead of the "trapezoid" gained on the same dyno 12 peak hp and as much as 20 hp at the top end...gains everywhere with that customer. That said, I'm sure there is some positive attribute to the shapes such as throttle response maybe...efficiency down low...atomization?? Though I'm tempted to do some porting, I'm hesitant because of a bad tuning experience with an auto. Without getting into all of it, I'm only thinking the '14.5 FRPP Track Key as far as tuning. From there, wheels...maybe an axle back. This car I want to drive the wheels off and actually enjoy it. [/QUOTE]
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Intake Porting Tips, Pics and info
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