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Re: 350sbc pops and spits under load
Quote:
Originally Posted by JointTech
...snip
But it purrs like a kitten when its not popping and spitting.
thoughts?
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The last time I had this happen I had two valve seats that were gone. The time before that I had a flat lobe on the camshaft.
Do your general tune-up like you are planning. If it is still popping and spitting after that a compression test will tell you if a valve seat went bye-bye.
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'70 cab, '71 chassis, 383, TH350, NP205.
'71 Malibu convertible
'72 Malibu hard top
Center City, MN
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