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#1
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MAC 3-port connection help please...
Im getting a MAC 3 port Solenoid, and I need some help making sure I hook it up properly.
As you can see the body of the solenoid has the ports labeled. 1, 2, and 3. I have marked the image with the connections as I know it, And I just need confirmation whether this is correct or not. And yes, I know the pic below is not complete. I will be getting the upper solenoid actuator today. Any help would be greatly appreciated.
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RS Liberty - Because WRX's are only good for parts... |
#2
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"Search" and you will find... http://www.perth-wrx.com/vb/showthre...highlight=port
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MY09 Evo X - 1.6bar@3500rpm - got lag? Barbagallo - 56.03 (S); 1:08.09 (L) Collie - 50.77 Possibly the most under-driven Evo X in the world?? |
#3
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That thread does not give me a definitive answer...
Though I think I may have had it wrong. This is my revision: Port 1(Right): Back to inlet Port 2(Left): Wastegate actuator Port 3(Middle): Compressor pressure outlet.
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RS Liberty - Because WRX's are only good for parts... Last edited by Mister Two; 22-12-2006 at 05:55 PM. |
#4
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OKAY...
After much fiddling around under the bonnet today, I have the answer. The above setup I mentioned in my second post is the correct setup. Just to reiterate myself this is the correct method of hooking up a MAC 3-Port Solenoid. Port 1(Right): Back to inlet Port 2(Left): Wastegate actuator Port 3(Middle): Compressor pressure outlet. Since fitting the MAC, I am now enjoying much better boost control. My old original Subaru/Denso 3 port didnt have very good boost control up at high revs. Sometime, I could see the boost gauge fluctuate by up to 2psi after full boost has already been reached. Now, my boost is rock steady when I reach full boost at 3200rpm. It holds steady and only dips by 1psi near the redline. One happy Camper here.
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RS Liberty - Because WRX's are only good for parts... |
#5
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Any need to retune when you do this mod?
What is generally considered the time to chnge solenoids mod and boost wise? Al |
#6
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You may need a retune. but its probably not a huge necessity. Different solenoids bleed off different amounts of air at any given duty cycle.
I didnt need a retune, but I did need to adjust my EBC for the MAC solenoid.
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RS Liberty - Because WRX's are only good for parts... |
Tags |
3port, connection, mac |
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