Mitsubishi Engine Teardown Reveals Piston Explosion Results

Photo of author

By Car Brand Experts


Increase is a hell of a drug. One minute it might have you ever on high of the world, delivering tons of energy and torque that can assist you set a private greatest lap time at your native observe. The subsequent minute, it might have you ever on the facet of the observe with oil pouring from beneath your automobile. We’re betting that is precisely what occurred to whomever used this turbocharged Mitsubishi engine final.

Eric from the I Do Automobiles YouTube channel needed to see precisely how this Mitsubishi 4B11T, taken out of a Lancer Ralliart, met its finish. From the leap we will see a large gap within the block, with numerous surrounding injury. It solely will get worse as soon as Eric digs deeper.

 

As a result of this engine wasn’t very high-mileage, there are surfaces that appears surprisingly clear. The timing chain space is like-new, and the cylinder head is not stained by years of outdated, unchanged oil. However after eradicating the camshafts, Eric factors out injury to the journals means these elements nonetheless won’t be reusable, signaling the carnage to return.

Eradicating the cylinder head reveals the primary drawback space: Cylinder three, or what’s left of it, anyway. The piston appears to be like to have actually exploded, with the highest portion unfastened within the cylinder and splitting into items. The oil pan is filled with big items of piston, rod, bearing, and block materials. The incident was so extreme that it broke the block’s base plate into two items. This should’ve felt like a grenade exploding within the engine bay. 

Eric suspects there should’ve been a large quantity of enhance going into this engine when it gave out, given the pure destruction that resulted from the failure. The wear and tear on the connecting rod bearings that survived recommend there may’ve been a scarcity of oil and many excessive rpm, too. Not a fantastic mixture for holding an engine wholesome.

Increase is a merciless mistress. 

ZDvcAAAAAElFTkSuQmCC

Leave a Comment

For security, use of Google's reCAPTCHA service is required which is subject to the Google Privacy Policy and Terms of Use.

Pin It on Pinterest

Share This

Share This

Share this post with your friends!