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12.3.1 knocking noise
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  1. Performance Mods
    I have a 2000 Celica gts. I have a brand new oem head and I also purchased a brand new oem short block from MWR and had the 12.3.1 pistons put in. They put the block fully together then shipped it to me. After having my engine put together and installed I have a deisel knocking sound only when...
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