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07-20-2019, 09:25 PM
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#1 |
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Junior Member
Join Date: Feb 2015
Posts: 7
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Lifter bore scratches
Do these scratches look like something I should be concerned with? Discovered them after getting block home from machine shop. I brought it back to the shop they acted like it was not big deal, honed the bores, said it was fine. Solid Roller Lifters
Last edited by t-up; 07-20-2019 at 10:24 PM. |
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07-20-2019, 10:24 PM
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#2 |
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VIP Member
Join Date: Feb 2003
Location: Glendale, Arizona
Posts: 3,042
Likes: 712
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Re: Lifter bore scratches
Not only scratches, but also appears to be a lot of pitting too.
They may create excessive leakage around the lifter. What type of lifter will you be running? |
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07-20-2019, 10:25 PM
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#3 |
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Junior Member
Join Date: Feb 2015
Posts: 7
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Re: Lifter bore scratches
New have not been installed. Crower Cutaway Severe-Duty Roller Lifters 66291H-16
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07-21-2019, 09:23 AM
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#4 |
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Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,629
Likes: 1,922
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Re: Lifter bore scratches
For no surprises check lifter size with mike and bore size with bore gauge or telescoping gauge. If they used a ball brush hone, all that happened was the surface got scratch and bores got bigger.
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07-23-2019, 06:03 PM
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#5 |
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VIP Member
Join Date: Nov 2001
Location: The Lowcountry.
Posts: 2,960
Likes: 2,550
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Re: Lifter bore scratches
We know the condition and the correction, but what is the cause?
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07-28-2019, 01:49 PM
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#6 |
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Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,629
Likes: 1,922
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Re: Lifter bore scratches
Vertical lines = trash
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