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exhaust valve leak
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  1. Powertrain & Driveline
    Hi there! I'm performing an engine swap - I have a 2008 off-road 6MT X and I'm going to swap the engine with one from a 2014 Frontier. I have the 2014 engine on a stand (the valve covers and headers are off) and a leak-down test shows loss of air on cylinders 4 and 6. about 30% on 4 and 60% on...
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