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Old test done again HKS 272 VS GSC S2 30hp gain

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Old Jan 24, 2012, 08:51 AM
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old HKS272s
Old Jan 24, 2012, 09:00 AM
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On a 9, is an adjustable exhaust cam gear going to be of any benefit with these cams?
Old Jan 24, 2012, 02:32 PM
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Not that I have seen know. Properly mapped MIVEC is far more important than the exhaust cam gear. If it were on a 2.4 or 4G64 block at any rate then yes, otherwise not so much.
Old Jan 24, 2012, 02:38 PM
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Awesome. Ill be pulling the trigger on the s2's next week. Just got the skunk2 intake mani looking for some impressive gains from this round of mods up top.
Old Jan 24, 2012, 02:48 PM
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I knew there was a reason I got rid of them junk hks 272s in my car. Good thread Lucas.
Old Jan 24, 2012, 07:19 PM
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Sweet test! I remember years ago slapping a set of hks280's and seeing awesome gains on my stock 8 turbo on pump gas...I love living in the future
Old Jan 24, 2012, 07:44 PM
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they were good cams back in the day when not much was available but like any platform with as much aftermarket support we cant help but get better parts for cheaper nowadays. I spent almost 100 less on my s2 cams then my hks 272 cams.....other then somewhat normal drivability with the hks 272 cams, the s2s out shine it, just with these cams my car hates retarded drivers in stop and go traffic haha
Old Jan 24, 2012, 07:45 PM
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Cant wait any longer....... My S2's are going in tomorrow.
Old Jan 25, 2012, 03:07 AM
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Cant wait for my S2 to show up.
Old Jan 26, 2012, 01:52 AM
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Are you guys offering the S2R for sale?
On another note, isn't the HKS exst 3"? why do you think it's choking the car?


Tks
Old Jan 26, 2012, 02:21 AM
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I'm running s2 and love them
Old Mar 20, 2012, 08:15 AM
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Originally Posted by darwin_evo
Are you guys offering the S2R for sale?
On another note, isn't the HKS exst 3"? why do you think it's choking the car?


Tks
The HKS exhaust shortens to 2.5" at the flanges I believe. It's a bottle neck at each flange.

I changed my HKS Hi-Power w/ resonators for a Greddy Full Ti 3" (no resonator) and noticed impressive gains on the butt dyno.
Old Mar 20, 2012, 09:13 PM
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Got my cams today. Gonna put the springs and retainers in tomorrow. Hope to see 30 + myself.
Old Mar 20, 2012, 10:08 PM
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I have s3's and Kiggly springs coming this week and I am hoping for big gains up top as well.
Old Mar 20, 2012, 10:24 PM
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do you have any graphs that would have s2 to s3? I think my kelfords are pretty close to the s2 but I would be curious about the gain with the s3s.


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