How does upgrading to larger boost tubes and or intercooler allow for quicker spool up of turbo?
What is the cause of this?
How does upgrading to larger boost tubes and or intercooler allow for quicker spool up of turbo?
What is the cause of this?
17' 2500 Crew Cab 4x4 6.7L with MM3 by Tyler at T&K Performance , Revmax 700 68RFE , Industrial Injection Silver 69 Turblower, BBI Stage 1.5 injectors, Fleece PowerFlo 750 CP3, Fleece PowerFlo lift pump ARP 625 head studs, Hamilton Valve Springs & Pushrods FLEECE POWERFLOW 10MM coming off this weekend and S&S 12mm going on..
It most likely could cause a slightly slower build of boost (the actual spooling of the turbo would not change) but you get higher flow capacity with more volume to compress.
However the difference probably wouldn’t change spool time perceived
Above is correct- it’s science LOL.
The air is drawn to the larger area and then is bottle necked into the intercooler.
Think of a 1/2 water hose feeding a 1/2 water hose vs a 3/4 garden hose feeding 1/2 (just for reference).
2013 Ram 2500
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x2 to both of these.
2018 Ram 2500 4x4 G56
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Less back pressure.
More air into the intercooler.
Stock piping has restrictive areas.
Go with Banks.
If you don't have sufficient air coming into the turbo, having larger pre and post intercooler piping won't matter.
Insufficient air coming into the turbo leads to inefficiency, and thus you see black smoke, higher EGTs, etc.
Making sure to optimize the air: fuel ratio is key.
More air in means more exhaust volume out, which is what spins the turbine and thus compressor.
As for a larger intercooler, it reduces temp of air going into the manifold/engine.
More O2 molecules packed into the combustion chamber yield optimal power.
Velocity and pressure increase with smaller diameter pipe, but the volume is inversely related, which is not good.
Having adequate size pipes will give your engine the volume, and the intercooler will help increase the oxygen molecules, or density, of that volume.
That is a general answer.
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