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Mmc Coating 2Zz-Ge Rebored / Honed?

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Hi, I am in need off urgent assistance. I have a celica t-sport with the 2zz-ge engine. I had the engine rebuilt recently, but have just discovered some information stating that my block should not have the bores honed due a MMC coating.

Can someone shed some light on this as I am getting the impression that if the cylinders are honed it will strip away this special coating that helps with the piston rings, and can cause such faults as burning Oil and wear, and a new block / short engine is required.

Please help asap


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