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Re: 97 chevy with a bad valve
Just felt like making it a third on Fuzzypuppy post.. Each situation can be different. Your lower end may not be worth putting heads on. I have replaced hundreds of heads without any lower end problems following the repair. On one occaision a 460 cid in a Ford pickup burned an unbelievable ammount of oil after replacing the heads. I still suspect it may have been because I didn't drain the block and allowed coolant to poor into the cyls. I have heard the explaination to a dissatisfied customer having paid more than what they believe a complete new engine should cost, "Now that the heads are in good condition it puts more pressure on the bottom end and it just can't take it." Many folks swallow that nonsense! The valves in the old cyl heads with one exception were not leaking, the pressure is the same. I also suspect shop guy did little to test anything and quickly prescribed you a new engine. How is it that you know the bad valve is on the drivers side? Dual exhaust tailpipe diagnosis? If a compression test had been performed, you would know which cyl. Too often a low quote turns out to be far less than great value.
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