996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Forge Diverter Valves

Old Nov 14, 2006 | 11:21 AM
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Forge Diverter Valves

Which spring should be used in the Forge diverter valve on a 996TT with a 1bar program and exhaust?
 
Old Nov 14, 2006 | 11:27 AM
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DV springs? Not sure what that is or if it is "adjustable"? Are you sure you are not confusing DVs with Wastegates?

Seems the reason you get the billet DVs is because the stock oneaa are plastic and will blow eventually. This is not a performance upgrade, but a reliability one.
 
Old Nov 14, 2006 | 11:33 AM
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wross996TT: I know the difference between DVs and wastegates. Well at least I think I do. Forge diverter valves have springs in them that you can change out for stiffer/softer ones. I was trying to see what other people around here were using if they were using Forge units.
 
Old Nov 14, 2006 | 01:16 PM
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Sorry, my bad. Never heard of them...most folks I know just use billet dvs.
 
Old Nov 14, 2006 | 01:25 PM
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wross996TT: These are billet DVs but the company/brand is Forge.
 
Old Nov 14, 2006 | 01:27 PM
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Originally Posted by iborroel
wross996TT: These are billet DVs but the company/brand is Forge.
I used the green spring with 2 shims for my 1.25 bar setuo pe Kevin at Ultimate.

Bill: These are user adjustable for different boost levels. Kit comes with 3 different springs and shims for fine tuning, pretty neat actually. Kevin
 

Last edited by KPG; Nov 14, 2006 at 01:36 PM.
Old Nov 14, 2006 | 01:41 PM
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Originally Posted by KPG
Bill: These are user adjustable for different boost levels. Kit comes with 3 different springs and shims for fine tuning, pretty neat actually. Kevin
Yeah, I googled them, just not sure what peformance they are adding, if any? Learn somethin new everyday!
 
Old Nov 14, 2006 | 01:44 PM
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Well, I can way I learned something new today also. So with these DV's, they come with different springs for different boost levels? Seems like a lot of work to change them though.
 
Old Nov 14, 2006 | 01:47 PM
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I found things in my other DV's that I didnt like Kevin
 
Old Nov 14, 2006 | 01:50 PM
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M3CAB: Changing the actual springs isn't hard at all. Removing the DVs from the car probably is the harder part.

KPG: I don't have this issue but that's why I'm going to replace them since I don't want to find anything in the future.
 
Old Nov 14, 2006 | 01:53 PM
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Originally Posted by iborroel
M3CAB: Changing the actual springs isn't hard at all. Removing the DVs from the car probably is the harder part.

KPG: I don't have this issue but that's why I'm going to replace them since I don't want to find anything in the future.
Good choice. Kevin
 
Old Nov 14, 2006 | 02:02 PM
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So which ones do you get and where (I saw three types)? TIA!
 
Old Nov 14, 2006 | 02:05 PM
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Originally Posted by wross996TT
So which ones do you get and where (I saw three types)? TIA!
Bill, they all come with the kit....Blue ,Yellow and Green. I know you are partial to Red but you cant use it I got mine direct from Forge, but I think VividRacing is having a group buy for 280$. Kevin
 
Old Nov 14, 2006 | 02:12 PM
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Old Nov 14, 2006 | 02:28 PM
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I just got mine from Kevin UMW. He recommended the yellow springs.
 

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