3 - port boost solenoid
25 February 2003, 03:33 PM
#1
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Ok, so whats this all about then? 
some people think i need this before a remap to hold boost better, some don't. Spec is full decat with aps TMIC on an 02 wrx.
whats it do, how much and where?
cheers
Ed
some people think i need this before a remap to hold boost better, some don't. Spec is full decat with aps TMIC on an 02 wrx.
whats it do, how much and where?
cheers
Ed
25 February 2003, 04:43 PM
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Some of the new ECUs (only played with STi) are much better at controlling boost than the old ones, so you may do fine with the standard 2 port.
Grade A sold me and others a 3 port for £35.
Grade A sold me and others a 3 port for £35.
25 February 2003, 04:45 PM
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Ok, yeah nobody else i know with a tuned my02 has the 3-port, which is why i was confused. Probably worth upgrading for £35 tho?
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25 February 2003, 05:41 PM
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http://www.google.com/search?sourcei...grade+a+subaru
Mr sleepy you asked for that one
Too much propofol today deep? 
Mr sleepy you asked for that one
Too much propofol today deep?
25 February 2003, 07:36 PM
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I may be wrong, but I believe . .
BR developments will map with a 3 port by preference, but will offer either as an option. PE & Scoobysport normally map with a 2 port. Can't comment for others
Pro's - faster response time allows better boost control, less spiking, can therefore bring it to a boost target slightly faster and hold it there better.
Con's - Cost of the solenoid. Dealer more likely to notice it. I'm not certain, but I think you also need a custom map rather than "off the shelf", so more money. Custom maps will be suited exactly to your car, so are certainly worth it if you have lots/unusual mods.
Generally - gives the ECU better control, but costs a little more. Speak to Bob Rawle and he'll tell you the exact cost difference.
Personally I'm happy with an ecutek 2 and 2 port on my MY02, full exhaust, up-pipe etc. If I put on more major mods (injectors, turbo, fuel pump, intercooler), I'd get a custom map and a 3 port. But that's just me rather than a "right" answer.
BR developments will map with a 3 port by preference, but will offer either as an option. PE & Scoobysport normally map with a 2 port. Can't comment for others
Pro's - faster response time allows better boost control, less spiking, can therefore bring it to a boost target slightly faster and hold it there better.
Con's - Cost of the solenoid. Dealer more likely to notice it. I'm not certain, but I think you also need a custom map rather than "off the shelf", so more money. Custom maps will be suited exactly to your car, so are certainly worth it if you have lots/unusual mods.
Generally - gives the ECU better control, but costs a little more. Speak to Bob Rawle and he'll tell you the exact cost difference.
Personally I'm happy with an ecutek 2 and 2 port on my MY02, full exhaust, up-pipe etc. If I put on more major mods (injectors, turbo, fuel pump, intercooler), I'd get a custom map and a 3 port. But that's just me rather than a "right" answer.
25 February 2003, 11:28 PM
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I use a 3 port solenoid in conjunction with a Link Ecu on my WRX MY01. The results, concerning boost control and boost response, are great.
More important is that boost, in absolute values, is about the same-constant- in every gear, something that it couldn't be accomplished while using the stock 2 port solenoid.
Cheers
Kostas
More important is that boost, in absolute values, is about the same-constant- in every gear, something that it couldn't be accomplished while using the stock 2 port solenoid.
Cheers
Kostas
26 February 2003, 10:40 AM
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Hade / Braceman, many thanks, thats what I was looking for. I think I've decided to go full decat first for a while, and then wait til I can get solenoid / fuel pump etc. and then go custom tek3 map.
cheers
Ed
cheers
Ed
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