How much if any will boring to 81.5 weaken the cyl walls?

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Old Mar 3, 2003 | 05:18 AM
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BlueSi2k's Avatar
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Default How much if any will boring to 81.5 weaken the cyl walls?

I purchased an older block and im going to have it bored to ensure that the walls are completely straight. Will boring the cyl's to 81.5 limit the amount of boost i can run? Im planning to run around 10psi daily 14 max with 9.5:1 pistons, eagle rods, blockguard and aem ems. I should be fine right?

BTW: Can I fit a b16 shortblock in the trunk of my 00 si? I dont think it will be a problem.
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Old Mar 3, 2003 | 05:36 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (BlueSi2k)

well it doesn't weaken the sleeves structural stability that much. I would do 10psi max.(IMHO)

* yeah a B16 short block w/out oil pan should fit. just make sure that you have 2=3 layers of plastic so that you don't get your trunk carpet all nasTeY!
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Old Mar 3, 2003 | 05:38 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (Charlie Moua)

****, its got the oil pan...i think i can get it to fit...maybe with the spare out.
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Old Mar 3, 2003 | 05:48 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (BlueSi2k)

boostedhybrid put down near 400whp on 81.5!
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Old Mar 3, 2003 | 06:36 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (BlueSi2k)

This guy I know went to pick up a full b16 swap (engine,tranny,head) and put it in the back seat of a 4 dr Neon and drove 11 hours back. Had to take the door off to get it in and out.
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Old Mar 3, 2003 | 06:41 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (tegman2)

i heard as long as you dont go over 1mm, u will be fine.
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Old Mar 3, 2003 | 06:59 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (BlueSi2k)

i run 15 psi on pump gas and a 62-1 daily.
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Old Mar 3, 2003 | 08:22 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (FFgeoff)

i run 15 psi on pump gas and a 62-1 daily.
what's the dyno on that look like?
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Old Mar 3, 2003 | 10:39 AM
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Default Re: How much if any will boring to 81.5 weaken the cyl walls? (FFgeoff)

i run 15 psi on pump gas and a 62-1 daily.
what other mods do you have done to the engine internally?
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