dump valve help please

Discussion and technical advice the SW20 MR2. 3S-GTE, 3S-GE, 3S-FE etc
Anything and everything to do with maintenance, modifications and electrical is in here for the Mk2.

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RobCrezz
Posts: 1509
Joined: Mon Jul 14, 2008 10:16 am
Location: Essex

Re: dump valve help please

Post by RobCrezz »

jaywb wrote:will i still get the dump valve dump noise if i use the resirk way with the hks?


I think you do with the HKS although not as loud as full vent to atmos, but if you wanted vent to atmos you should do a Rev3 conversion (and get more power as a bonus).

This guy has it recirculating and you can still hear it, not an MR2 though:
http://www.youtube.com/watch?v=C-cJybfBnTs
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notroubleclubber
Posts: 214
Joined: Fri Jul 31, 2009 7:59 am
Location: Swindon

Re: dump valve help please

Post by notroubleclubber »

Ive managed to get hold of a standard bov locally so swapped out my old hks one (which was bidged on anyway when i bought it). No more tish (apart from a very low one) but ive found that fuel hasnt improved and now i have a flat spot mid range. Its plumbed in correctly and ive reset the ecu.
What could be the prob? Im running a rev2 tubby.
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RobCrezz
Posts: 1509
Joined: Mon Jul 14, 2008 10:16 am
Location: Essex

Re: dump valve help please

Post by RobCrezz »

notroubleclubber wrote:Ive managed to get hold of a standard bov locally so swapped out my old hks one (which was bidged on anyway when i bought it). No more tish (apart from a very low one) but ive found that fuel hasnt improved and now i have a flat spot mid range. Its plumbed in correctly and ive reset the ecu.
What could be the prob? Im running a rev2 tubby.


Boost or vacume leak! Check the hoses and connectors are tight!
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