Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

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Old Sep 26, 2020 | 03:36 PM
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chillyfeet's Avatar
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Default Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

hey! I'm fully building an lsvtec with a pr3 head type r springs titanium retainers cp pistons k1 rods and aiming for about 450 wheel. after honing my cylinder walls today, I've found a tiny bit of scoring on cylinder 1. it catches my fingernail pretty easily and im wondering if I could just send it, try my luck pulling one at a junk yard, or hone the living **** out of it.

all advice is welcome and i appreciate all insight. this is my first build and Im just wondering if people here have more experience than I do

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Old Sep 27, 2020 | 08:31 PM
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Default Re: Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

Originally Posted by chillyfeet
hey! I'm fully building an lsvtec with a pr3 head type r springs titanium retainers cp pistons k1 rods and aiming for about 450 wheel. after honing my cylinder walls today, I've found a tiny bit of scoring on cylinder 1. it catches my fingernail pretty easily and im wondering if I could just send it, try my luck pulling one at a junk yard, or hone the living **** out of it.

all advice is welcome and i appreciate all insight. this is my first build and Im just wondering if people here have more experience than I do
imo I think it’ll be ok just to hone it. As long as it’s not exceeding all the way down the cylinder.
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Old Sep 27, 2020 | 08:33 PM
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Default Re: Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

Originally Posted by K20.ek
imo I think it’ll be ok just to hone it. As long as it’s not exceeding all the way down the cylinder.
that picture was taken after a good while of honing. Im going to go look for blocks tomorrow at a few different yards and go from there. thank you for the input
​​​​​​
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Old Sep 27, 2020 | 08:39 PM
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Default Re: Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

the proper way is to get oversized pistons and then bore it ( get a machine shop to do that, they’ll measure the pistons and then bore the cylinders to correct size ), since your doin lsv then the oversized pistons will help increase torque/power, 82mm bore would be a good start.
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Old Oct 12, 2020 | 01:59 AM
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Default Re: Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

Send it papi.
I had a similar scoring on my F22 and it run just fine. Good compression and no oil consumption.

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Old Oct 14, 2020 | 08:30 AM
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Default Re: Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

I'd be a lot more worried about that hone job than I would be about the scoring.
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Old Oct 14, 2020 | 01:38 PM
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Default Re: Opinions Needed: slight scoring on B18B cylinder wall. Long term issue?

Originally Posted by MotorMouth93
I'd be a lot more worried about that hone job than I would be about the scoring.

don’t see much cross hatch marks lol that’s why I suggested a hone
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