Forge do a dump valve and I think it's a re circulation valve what's the difference or perks of them? Must admit love the sound of a dump valve
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I'm sure about the forge value but generally a "dump value" vents excess boost pressure to atmosphere (Looses boost), while a re-circulation value maintains the boost in the system. We never run dump values on race engines as it wastes boost, on a road car you might notice slightly longer turbo lag between gears but I do mean "might notice".
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Originally posted by MadMan0 View PostI'm sure about the forge value but generally a "dump value" vents excess boost pressure to atmosphere (Looses boost), while a re-circulation value maintains the boost in the system. We never run dump values on race engines as it wastes boost, on a road car you might notice slightly longer turbo lag between gears but I do mean "might notice".Citroën DS3 Racing 2011 Polar White
ZRP con rods, Wössner pistons, Forge Ind. Kit, Forge IC hard pipes, etuners S3 (E85, launch control), Clemens-Motorsport IC, cylinder head porting, oil pump mod, Devils Own WMI, Forge BOV, Powerflex rear engine mount, LEDs, Citroen mudflaps, Ragazzon de-cat/200cc sports cat, Mongoose catback
Ex: BMW M135iA (2008) * BMW M3 E46 SMG2 (2003) * Subaru Impreza WRX STi (2007) * BMW M3 E46 (2001) * Seat Leon 1.8 TS4 (2003)
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Originally posted by Ragnarok View PostI though it's the way around? When you have more boost dump prevents compressor surge and enables the turbo to keep spinning
The recirc should hold a small amount of air used to spool the turbo and help reduce lag whereas the atmospheric one simply dumps the air.cyclone> Fish is the man
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Originally posted by Dangerousfish View PostMy understanding is the same as MadMan's.
The recirc should hold a small amount of air used to spool the turbo and help reduce lag whereas the atmospheric one simply dumps the air.Citroën DS3 Racing 2011 Polar White
ZRP con rods, Wössner pistons, Forge Ind. Kit, Forge IC hard pipes, etuners S3 (E85, launch control), Clemens-Motorsport IC, cylinder head porting, oil pump mod, Devils Own WMI, Forge BOV, Powerflex rear engine mount, LEDs, Citroen mudflaps, Ragazzon de-cat/200cc sports cat, Mongoose catback
Ex: BMW M135iA (2008) * BMW M3 E46 SMG2 (2003) * Subaru Impreza WRX STi (2007) * BMW M3 E46 (2001) * Seat Leon 1.8 TS4 (2003)
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Originally posted by cyclone View PostThis.Citroën DS3 Racing 2011 Polar White
ZRP con rods, Wössner pistons, Forge Ind. Kit, Forge IC hard pipes, etuners S3 (E85, launch control), Clemens-Motorsport IC, cylinder head porting, oil pump mod, Devils Own WMI, Forge BOV, Powerflex rear engine mount, LEDs, Citroen mudflaps, Ragazzon de-cat/200cc sports cat, Mongoose catback
Ex: BMW M135iA (2008) * BMW M3 E46 SMG2 (2003) * Subaru Impreza WRX STi (2007) * BMW M3 E46 (2001) * Seat Leon 1.8 TS4 (2003)
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A recirc valve is basically the same thing, just that it dumps air back into intake rather than to atmosphere.....
http://m.youtube.com/watch?v=Z_fG_b65WiUWhite on red THP
Miltek exhaust with HKS highflow cat, Forge intercooler, hard pipe kit, induction kit, oil catch tank, , VAG BOV, Stage 3 SPT remap 217 BHP
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Originally posted by Jamie@SPTuning View PostA recirc valve is basically the same thing, just that it dumps air back into intake rather than to atmosphere.....
http://m.youtube.com/watch?v=Z_fG_b65WiUMay 2011 - October 2015: White body/black roof/white Bellone THP150
October 2015 - Present: Black body/emerald green roof/black Aphrodite THP165
Instagram @adamds3
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