Lifter bore scratches
4 Attachment(s)
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
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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? |
Re: Lifter bore scratches
New have not been installed. Crower Cutaway Severe-Duty Roller Lifters 66291H-16
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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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Re: Lifter bore scratches
We know the condition and the correction, but what is the cause?
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Re: Lifter bore scratches
Vertical lines = trash
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Re: Lifter bore scratches
www.lifterboretools.com has a kit for most popular V8 engines to sleeve lifer bores with bronze bushings. Not only restores your lifter bore to correct tolerance, but can restrict excessive oil flow. Kits have a reamer, install tool and bronze lifter bore bushings.
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