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yes- only if no compter is present in the car/truck . o2 sensers gage the air-fuel mix. I own two 305 engines, you have to by-pass these if you want your car/truck to run strong..

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โˆ™ 2015-07-15 18:46:56
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Q: Can the silver emission pipes on a 305 engine be taken off of the exhaust manifold and the holes plugged?
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