Pontiac GTO 2004-2006 The Modern Goat

Ported Intake and Ported Throttle Body

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Old 11-22-2011, 07:48 PM
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Default Ported Intake and Ported Throttle Body

Being on a budget i am gonna port the intake manifold and the throttle body. How much gains could i expect by doing this
Old 11-22-2011, 07:49 PM
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Intake manifold - 5-15 i would say... depending on the level of porting
throttle body - maybe 1-3... mostly just throttle response

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Old 11-22-2011, 07:53 PM
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yeah everything is so damn expensive. As much as i would like to buy a fast intake it is out of my reach
Old 11-22-2011, 08:26 PM
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thats the LS industry for ya. **** is not cheap
Old 11-23-2011, 01:36 AM
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not really ls for ya just gto's lol well i guess as for motor stuff its the same but suspension and other **** like that nowhere close
Old 11-23-2011, 09:18 PM
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A good stage 2 port can get you 10-15. I did it, and immediately noticed an improvement. Talk to Poolshark on ls1gto
Old 11-24-2011, 07:22 AM
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Ported my own Intake even cut out the pilars and epoxied the holes in the intake floor. It took me about 10-12 hours, but I do run full weight 11.50's.

Youtube search my screen name for videos.
Old 11-25-2011, 12:17 PM
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Default Peak Speed Shop porting

Our customers gain 9-13 rwhp from our Basic porting of an LS2 intake manifold and 15-20 rwhp gain from our Radical porting. For the difference between the two, you can go to our web site at: http://www.peakspeedshop.com/.

You may be interested in a special offer we are making to LS1Tech members on intake manifold and throttle body porting. The special goes through 1/15/12. Here is a link to the thread:
https://ls1tech.com/forums/sponsor-s...y-porting.html
Old 11-25-2011, 02:34 PM
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are these gains without tuning?
Old 11-25-2011, 05:02 PM
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Originally Posted by ULTIMATEORANGESS
are these gains without tuning?
That's correct. If your car has never been tuned, tuning could add another 5-10 rwhp.
Old 12-02-2011, 02:01 PM
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Or you could just buy mine lol! Shoot me a PM if you're interested.
Old 12-03-2011, 09:41 AM
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I have a basic ported unit and had it installed at the same time as my Svede OTRCAI. I felt a decent gain and it makes a great noise on the intake side. I may look into having my old intake "radically" ported If I decide not to sell it.
Old 12-05-2011, 08:04 AM
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i think i got 3 HP from my ported TB(not worth it in my opinnion), not sure what i gained from my throttle body. maybe 7-10.

are you in voorhees NJ? talk to andrew from CSP, he does TB and intake porting. he usually has some in stock, just swap yours off.
Old 12-05-2011, 05:48 PM
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Yeah im from Voorhees N.J. CSP in west chester .... have had a few people tell me to go there.I def want to get my car dyno tuned after i get that done



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