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Ported heads
I have been thinking about installing new heads in my 05 GTO for a long time. I did not want to toss out the stockers because they do a dam good job of flowing air.
I made up my mind to Port my stockers and have my Typhoon intake ported at the same time. The car is in the shop now and it should make it on the dyno for tuning and testing today. I am not expecting a big gain but I think
15 -25 HP would be a good guess. What do you thing about porting a stock set of heads.
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