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Turbo Manifold Crack Test

Until cracks get really bad, you won't be able to see them. Let me show you how you can.

Modification Details

Non Destructive Testing

Non Destructive Testing (NDT) is a range of tests that can be performed on many
materials to determine if there are any faults in the piece. As the test piece is not
dismantled or altered in any way, it makes it a very valuable technique to learn and use.

What NDT's Are There?

Dye Penetrant Inspection (DPI)
Magnetic Particle Inspection (MPI)
Ultrasonic Testing (UT)
Radiographic Testing (RT)
Eddy Current Testing (ECT)

Which One Is Best?

There is no "best" one, it depends on what you are testing as each method had pros and cons.

Which Is The Best Way To Detect Turbo Cracks?

DPI is probably the best option in this case as MPI can be a bit tricky.
UT, RT and ECT uses equipment costing thousand of pounds.
What Is Dye Penetrant Inspection?

This process uses osmosis to draw a coloured dye into any cracks. The excess dye is
wiped clear and a developing spray is applied. This draws any of the dye back out of
the crack and clearly displays it on the surface.

I gained an NDT qualification in 2009 and very quickly saw the opportunity for
crack testing on the smart turbo manifold. DPT is the cheapest NDT process.

Where Can I Buy A DPI Kit?

DPI kits can be bought from most places that deal with and sell welding supplies.
There are loads of online companies including eBay sellers who can help you.

Performing The Dye Penetrant Test


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