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GSC 280 cams NIB!!!! 1 WEEK chance to get!!
Oct 24, 2006, 12:23 PM
#16
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Originally Posted by itzwolf
My choice was JUN 272's see the following link:
https://www.evolutionm.net/forums/sh...d.php?t=191427
https://www.evolutionm.net/forums/sh...d.php?t=191427
Oct 24, 2006, 02:00 PM
#18
Originally Posted by itzwolf
No, but the JUN 272 are a more aggressive cam then currently released 280 cams... The duration is quite a bit and the ramps are more aggressive as well.
The GSC 280's have similar lift, however a more gradual ramp rate, allowing you to run STOCK valvetrain.
Oct 24, 2006, 03:44 PM
#20
Originally Posted by TTP Engineering
Hence the need for upgraded valvetrain on the JUN units.
The GSC 280's have similar lift, however a more gradual ramp rate, allowing you to run STOCK valvetrain.
The GSC 280's have similar lift, however a more gradual ramp rate, allowing you to run STOCK valvetrain.
If the spec card is correct the GSC are using a mid 10.x mm of lift with a fair amount of duration.
JUN's have:
Advertised Duration - 272 deg
Effective Duration - 235 deg @ 1mm
Lift - 10.8mm
Lobe Centerlines - 110 deg Int / 115 deg Exh
LSA - 112.5 deg
A MUCH more sudden open and close of the valves.
Oct 24, 2006, 04:14 PM
#21
Originally Posted by itzwolf
Exactly, stock springs and retainers would be a bad idea
If the spec card is correct the GSC are using a mid 10.x mm of lift with a fair amount of duration.
JUN's have:
Advertised Duration - 272 deg
Effective Duration - 235 deg @ 1mm
Lift - 10.8mm
Lobe Centerlines - 110 deg Int / 115 deg Exh
LSA - 112.5 deg
A MUCH more sudden open and close of the valves.
If the spec card is correct the GSC are using a mid 10.x mm of lift with a fair amount of duration.
JUN's have:
Advertised Duration - 272 deg
Effective Duration - 235 deg @ 1mm
Lift - 10.8mm
Lobe Centerlines - 110 deg Int / 115 deg Exh
LSA - 112.5 deg
A MUCH more sudden open and close of the valves.
I don't think the card states "maximum lift = xx.xx millieters" ....
Wow, things are just starting to get interesting.
Oct 24, 2006, 05:05 PM
#22
I'd love to see him keep the cams and see how it is with a big turbo...
I'm looking forward to fixing the exhaust leaks and check for boost leaks on my other friend's Evo with the GSC 280's. I was in the car with HKS 272's and the leak and GSC 280's with the leak and there is a NOTICEABLE difference.
Get to the dyno Scott
I'm looking forward to fixing the exhaust leaks and check for boost leaks on my other friend's Evo with the GSC 280's. I was in the car with HKS 272's and the leak and GSC 280's with the leak and there is a NOTICEABLE difference.
Get to the dyno Scott
Oct 24, 2006, 05:19 PM
#23
No one wants to hear excuses, but I threw an oil seal on my turbo and had to put on a POS used stocker with worn blades for the time being. Previous owner rounded off the blades by not using a filter at all with it.
Secondly I have a phantom knocksum issue I am trying to resolve at the moment.
Secondly I have a phantom knocksum issue I am trying to resolve at the moment.
Oct 25, 2006, 05:25 PM
#26
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Cams are sold. Like to thank everyone for the swift contacting and Scott I greatly appreciate you for getting me the cams so quickly. I will definitely be putting in a good word for you my friend.
