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Lifter bores

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BIG BLOCK FORD :: GENERAL TECH :: ENGINE TECH

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Lifter bores Empty Lifter bores

Post  geno November 29th 2013, 11:45 pm

I tore a motor down only to find the lifter bores were bushed but only on the right side.  Is this some kind of mod or do I have a worn block?

Thanks in advance,
Geno
geno
geno

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Join date : 2013-01-24
Location : Mobile, Alabama

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Post  jbozzelle November 30th 2013, 12:03 am

It's done to control the oil to the top end.

jbozzelle

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Post  Lem Evans November 30th 2013, 12:04 am

X2

Lem Evans

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Post  geno November 30th 2013, 12:18 am

Thanks jbozzelle and Mr. Evans. Good to know I don't have to buy another block yet.

Thanks again,
Geno
geno
geno

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Post  466cj November 30th 2013, 1:56 pm

Bushing the passenger side lifter bores only is done to direct more oil to the mains. It also can restrict the oiling to the top end on that side depending on the size of the hole drilled in the bushing. Worth noting if you want to restrict oil to the drivers side you need to put a restrictor in the cross over.

If both sides are bushed usually means in addition to oiling that they wanted to correct the size and true the lifter bores.

466cj

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