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Old Jul 21, 2012 | 05:04 PM
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jaywill's Avatar
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From: REIDSVILLE,NC
Default oil pump ???

For my 5.3 build is the stock pump all right or should I use a ls6 pump?
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Old Jul 24, 2012 | 01:11 AM
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From: phx the cactus patch
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You can port You're oil pump and shim the pressure relief valve spring and be just as good as the LS6 ported oil pump ,,,,,,or You can get a brand new Melling 295 for $60 at Amazon ,,,,,,,,,all factory GM LS oil pumps experience pressure drop above 6500rpm's .
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