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Pontiac GTO 2004-2006 The Modern Goat

05 GTO Big Boy Cam and CNC Heads

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Old 02-23-2014, 09:43 PM
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Wink 05 GTO Big Boy Cam and CNC Heads
Just installed a new cam and CNC heads, etc. Fueling is within 3%. Heading to the dyno so I can finish the tune. Definitely feels a ton quicker than the MS3 cam and stock heads. Goal is 500 RWHP. We will see soon.


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Old 02-23-2014, 09:46 PM
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Sounds great. What did the ms3 put down for you?
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Old 02-23-2014, 09:49 PM
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What are the specs on the new cam?
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Old 02-23-2014, 09:50 PM
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Ms3 cam springs and my tune did 431 rwhp. New cam specs are even bigger. I don't have them handy but will get them. Edited my comment.
Last edited by aknovaman; 02-24-2014 at 05:18 AM.
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Old 02-23-2014, 09:53 PM
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Isn't that almost the same specs as the MS3?
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Old 02-23-2014, 09:55 PM
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Slightly bigger different specs. CNC heads make a huge power difference as well as larger injectors.
Last edited by aknovaman; 02-27-2014 at 06:12 PM.
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Old 02-23-2014, 09:56 PM
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I say 477rwhp
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Old 02-24-2014, 05:15 AM
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that setup is going to be sick! let us know what it makes!
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Old 02-26-2014, 01:37 PM
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Nice, I'll big doing my new cam soon!!!!
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Old 02-26-2014, 07:13 PM
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Sounds really good, i say 483rwhp
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Old 03-03-2014, 11:44 AM
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Curious what the compression is with the new heads?
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