103" build
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Seasoned HDF Member
Joined: Mar 2021
Posts: 17,889
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From: backwoods
Per a discussion in a different thread about cost of boring. One shop told me they charge more for going to big cylinders than just going .010s over. Different shop is doing it this time, due to location. They said they do multiple passes to get the size needed and then hone. I don't know how it works. So I am only guessing, but every jump in size probably requires some set up. Maybe big places it is automated. This shop I did not ask if they charge more.
Road Master
Joined: Aug 2017
Posts: 1,199
Likes: 1,610
From: TX
Per a discussion in a different thread about cost of boring. One shop told me they charge more for going to big cylinders than just going .010s over. Different shop is doing it this time, due to location. They said they do multiple passes to get the size needed and then hone. I don't know how it works. So I am only guessing, but every jump in size probably requires some set up. Maybe big places it is automated. This shop I did not ask if they charge more.
Last edited by Rocking_it; Feb 2, 2024 at 09:58 AM.
Club Member
Joined: Apr 2011
Posts: 5,776
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From: SE Louisiana
First, I wouldn't put total trust in production cylinders machine work, I'd still measure everything
Second, used cylinders been through many heat cycles and any cast shifting has already occurred, "seasoned" cylinders should be more stable and hold size better after re-bore
That's my theory anyway.
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Seasoned HDF Member
Joined: Mar 2021
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From: backwoods
Have not seen a tread on seasoned cylinders in awhile. Used to come up a bit when going from 88 to 95.
Shop is charging 250 to bore. I provided them with pistons. Some shops provided pistons and gaskets. They were going to,but the shop repAiring my crank had a set in stock, and they wanted weights of pistons.
Shop is charging 250 to bore. I provided them with pistons. Some shops provided pistons and gaskets. They were going to,but the shop repAiring my crank had a set in stock, and they wanted weights of pistons.
Road Master
Joined: Mar 2013
Posts: 817
Likes: 380
From: Central Ohio
Per a discussion in a different thread about cost of boring. One shop told me they charge more for going to big cylinders than just going .010s over. Different shop is doing it this time, due to location. They said they do multiple passes to get the size needed and then hone. I don't know how it works. So I am only guessing, but every jump in size probably requires some set up. Maybe big places it is automated. This shop I did not ask if they charge more.
Road Captain
Joined: Mar 2020
Posts: 650
Likes: 351
From: Sierra foothills
Proper bore/hone, piston fitment is critical in engine build. And sometimes taken for granted. I have been burned before on this. Once by an at the time here reputable shop. Nothing like piston slap on a new build. I have my go to shop for any cylinder work now. I'm sure there are others who are equal but one gets any future work from me. Brown truck goes anywhere
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Seasoned HDF Member
Joined: Mar 2021
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From: backwoods
Or do you adjust the diameter of the cutter to the width you want?
Seasoned HDF Member
Joined: Aug 2006
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From: Pennsylvania
I am going to call it a bit, because I don't know proper term. I am thinking like a drill press assembly. Obviously not the same . Does one bit bore top to bottom, them next goes bigger? Standard bits you grab and install next bigger size? Like a massive drill index?
Or do you adjust the diameter of the cutter to the width you want?
Or do you adjust the diameter of the cutter to the width you want?
