anyone know what the msm stock turbo record is?
#23
Cpt. Slow
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No, after 58% at 4500, 70% at 5000, and 85% to redline. After a certain PSI you're stressing the engine and putting a huge amount of stress on the turbo for little gain. That's probably around 12psi for this turbo, but we went to 14 with an occasional spike to 16, and despite our efforts, power wasn't coming up above ~5500rpm, so we weren't going to murder the setup to try and get a more linear dyno plot.
My 1.6 had a similar plot on some shitty 2.5" exhaust, I really think 3" would help him here, but so would a bigger turbo.
My 1.6 had a similar plot on some shitty 2.5" exhaust, I really think 3" would help him here, but so would a bigger turbo.
#25
SADFab Destructive Testing Engineer
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Here is someone who claims 254: turbo questions [Archive] - MX-5 Miata Forum
No proof or anything though. Just thought I'd share.
No proof or anything though. Just thought I'd share.
#26
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I have no desire to change anything unless turbo or manifold wise, wastegate dump and 3 inch will happen as well as perhaps a Honda I'M at some point. I like the msm manifold, turbo and lines a lot, no need to change it imho
#29
pictures are blocked at work or I would
I ask because I'm about to install my diy ebc and don't have a port/nipple pre-tb, and was thinking of referencing off the IM and wondering if a 1way check valve would prevent vacuum to the wg can or just run it that way without the valve since pre boost the ebc is at 100% which should be closed.
thoughts?
I ask because I'm about to install my diy ebc and don't have a port/nipple pre-tb, and was thinking of referencing off the IM and wondering if a 1way check valve would prevent vacuum to the wg can or just run it that way without the valve since pre boost the ebc is at 100% which should be closed.
thoughts?
#30
pictures are blocked at work or I would
I ask because I'm about to install my diy ebc and don't have a port/nipple pre-tb, and was thinking of referencing off the IM and wondering if a 1way check valve would prevent vacuum to the wg can or just run it that way without the valve since pre boost the ebc is at 100% which should be closed.
thoughts?
I ask because I'm about to install my diy ebc and don't have a port/nipple pre-tb, and was thinking of referencing off the IM and wondering if a 1way check valve would prevent vacuum to the wg can or just run it that way without the valve since pre boost the ebc is at 100% which should be closed.
thoughts?
With a 1 way valve wouldn't you just be pressuring the wg line with w/e psi you're running...
In turn, lose boost once you shift gears cause the wg is already open with said trapped pressure?
#34
Retired Mech Design Engr
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Do you mean the supply of boost going to the EBC, and then to the WGA? If you are using Megasquirt for boost control, then isn't the reference IM by definition, and hence the convention of setting up boost and throttle position?
Honest question.
Honest question.
#35
that's what I was getting at: you CAN make the ebc work referenced from the IM, but it sounds like more work with settings and valves possibly than it's worth, and I really don't want to put any vacuum through the wg can of this 72k mile turbo
sorry for off topic, I can make separate thread if this gets cluttered
sorry for off topic, I can make separate thread if this gets cluttered
#36
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#37
Cpt. Slow
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Correct, he's referring to the ebc plumbed source, not the electrical source from the MS, which is from the manifold.
MS=post tb
EBC/MBC=pre tb
I'll make this a new thread when I'm in front of a computer.
MS=post tb
EBC/MBC=pre tb
I'll make this a new thread when I'm in front of a computer.