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Discussion in '5.0L Coyote V8 Engine Modification/Discussion' started by PaleRider, Nov 19, 2014.
Anyone know what the diameter of the exhaust port on the head is?
The opening our CNC'd ones are 1.5" x 1.535"
Looks like O.E. is 1.425"-1.430"
Wow I heard that the 1-7/8" headers were very good for the GT 5.0l now it makes me wonder.
I thought the port was a circle?
looks like a circle, does not measure so.
1-3/4" on a n/a low revving build.
1-7/8" on a power adder car or one with head and cams
Oh would you happen to know what the exhaust flow is at peak valve lift?
On a stock cam?
Yes of course