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No 4g63 ever came from the factory with a plate bore and hone and they have all worked great. Why does everyone think that it is required when rebuilding.
Now, lets question those that are using arp studs and torquing higher than apr specs. Did any of you have a plate hone? If not, you have more distortion in your cylinders than if you stuck to arp torque specs. Those that did have a plate hone and are over torquing their studs, you wasted your $ on the plate hone. The machine shop torques the studs to spec when honing and if you increase that torque, you are just distorting the cylinders and defeating the purpose of the plate hone.
For the majority of everyone, there will be no performance or reliability difference between using or not using a torque plate.
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Keith
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