Intercooler piping wrap, do you use it, did you get a large gain like I did?
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Originally posted by 1BFC
I'm not sure where you have the waste gate signal referenced but here is one scenario that would turn into an increase in boost pressure after wrapping your plumbing.
If your waste gate signal is referenced to the compressor housing then any changes made to your intake system after the compressor will impact the resulting gauge readings you see.
If for instance you inadvertently fixed some boost leaks you had that you didn't know about when you had the plumbing off the car for wrapping... then you would see a increase in the measured readings.
If you have the waste gate referenced to the intake manifold then you would not see this happen and the readings would stay the same.
That's the one situation I can think of that would result in what you are seeing.
I'm not sure where you have the waste gate signal referenced but here is one scenario that would turn into an increase in boost pressure after wrapping your plumbing.
If your waste gate signal is referenced to the compressor housing then any changes made to your intake system after the compressor will impact the resulting gauge readings you see.
If for instance you inadvertently fixed some boost leaks you had that you didn't know about when you had the plumbing off the car for wrapping... then you would see a increase in the measured readings.
If you have the waste gate referenced to the intake manifold then you would not see this happen and the readings would stay the same.
That's the one situation I can think of that would result in what you are seeing.
The MBC is in between in this 3" section.
The guages is reading pressures via the intake manifold, after the TB.
Just installed a EGT tonight, found we are running 1200.. Looks like we can turn the boost up.
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Levi,
If you have it setup the way you described I would lean very heavily towards the fact that you fixed an unknown boost leak to cause the boost increase shown on the gauge after wrapping.
Since you have the waste gate referenced to the compressor housing and the boost gauge referenced to the mainfold you can have 10psi (just an example number) at the compressor housing and some value less than that (ignoring normal pressure loss through the IC, etc) at the intake manifold via boost leaks. Let's say you were losing 2psi via leaks, you would see 8psi on the gauge. When those leaks were fixed the boost you were losing now makes it to the manifold and thus the gauge reads 10psi. All the while you did nothing to the waste gate to change boost settings.
My .02
If you have it setup the way you described I would lean very heavily towards the fact that you fixed an unknown boost leak to cause the boost increase shown on the gauge after wrapping.
Since you have the waste gate referenced to the compressor housing and the boost gauge referenced to the mainfold you can have 10psi (just an example number) at the compressor housing and some value less than that (ignoring normal pressure loss through the IC, etc) at the intake manifold via boost leaks. Let's say you were losing 2psi via leaks, you would see 8psi on the gauge. When those leaks were fixed the boost you were losing now makes it to the manifold and thus the gauge reads 10psi. All the while you did nothing to the waste gate to change boost settings.
My .02
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Perhaps your actually increasing the intake temps? I'd like to be able to take readings with both the wrap on and off.
When you heat a gas, it expands, and therefore, pressure in an enclosed environment increases.
So it is POSSIBLE that the wrap is sealing in the heat, and not allowing it to escape.
In theory anyway.
When you heat a gas, it expands, and therefore, pressure in an enclosed environment increases.
So it is POSSIBLE that the wrap is sealing in the heat, and not allowing it to escape.
In theory anyway.
