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boostin' the b20

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Old 02-27-2005, 03:40 PM
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Default boostin' the b20

im just about to start the build up of my b20 in my LS. i plan on running a decent amout of boost (about15-18psi). i've been told by several people that a b20 can handle that on stock internals. i've always felt that at least forged pistons would be the way to go. this is my first turbo build and i dont want to be walking a thin line between boost and break. any input or past experience would be appreciated
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Old 02-27-2005, 03:42 PM
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Default Re: boostin' the b20

b20 sleeves are very weak
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Old 02-27-2005, 03:50 PM
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Default Re: boostin' the b20

Sleeve it and do the con rods and pistons while you're at it..
I've heard some people running boost that high but heard of major breakage from others..
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Old 02-27-2005, 03:54 PM
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Default Re: boostin' the b20

Originally Posted by slimstajimsta5
b20 sleeves are very weak
thats just a myth. no plenty of people running 15 pounds with no problems.
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Old 02-27-2005, 03:55 PM
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Default Re: boostin' the b20

Originally Posted by 90 hatch
thats just a myth. no plenty of people running 15 pounds with no problems.
i know of them too..
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Old 02-27-2005, 03:56 PM
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Default Re: boostin' the b20

Originally Posted by Drastic1
im just about to start the build up of my b20 in my LS. i plan on running a decent amout of boost (about15-18psi). i've been told by several people that a b20 can handle that on stock internals. i've always felt that at least forged pistons would be the way to go. this is my first turbo build and i dont want to be walking a thin line between boost and break. any input or past experience would be appreciated
it will not hold together long with stock bottom end, maybe a few months
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Old 02-27-2005, 04:12 PM
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Default Re: boostin' the b20

tuning is key
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Old 02-27-2005, 04:15 PM
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Default Re: boostin' the b20

Originally Posted by yeer
tuning is key
hows tunning going to keep the cylinder walls from moving, or the rods from all the pressure, tuning will save the pistons

Last edited by 91 Hatch; 02-27-2005 at 04:23 PM.
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Old 02-27-2005, 04:24 PM
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Default Re: boostin' the b20

like i said tuning will be key......

ask shad or steve sakai, best 2 tuners in the area. ive seen crazy numbers on stock blocks thru the both of them and all seem to be reliable. plus crazy numbers from steve sakai on really high compression na motors daily driven.

so stick to your probe....
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Old 02-27-2005, 04:30 PM
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Default Re: boostin' the b20

seems to be a split crowd
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