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Using the @arpbolts stretch gauge to correctly pre

If you are building a Mitubishi 4B11T for big powe

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Only the best parts for this EVO X engine refresh.

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TDP.ie is in Rathdrum, Wicklow, Ireland.

2 weeks ago

Using the @arpbolts stretch gauge to correctly preload the connecting rod bolts. This is the best way to make sure your fasteners are correctly stretched and decrease any chance of a failure to the minimum.

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TDP.ie is in Rathdrum, Wicklow, Ireland.

2 weeks ago

If you are building a Mitubishi 4B11T for big power or boost holding the head down becomes a problem. The answer is uprated head studs. The problem soon becomes the thread in the block where the stud screws in. The std M11 thread can only handle so much force before it becomes a failure point. We have developed a much bigger hardened steel insert. The process we have designed in house increases the surface aera of the insert in contact with the block by 3.5 times. We CNC bore and thread the block to accept the custom EN24T insert that is machined to accept the APR Custom Age 625+ Head Stud. When finally assembled you can pre load the head stud with confidence that you are not going to pull the threads out of the block.

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