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Forced Induction Turbochargers and Superchargers..Got Boost?

Sleeve or no sleeve..what's the verdict?

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Old Nov 5, 2010 | 12:18 PM
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Default Sleeve or no sleeve..what's the verdict?

I read a few posts about people with built bottom end w/ sleeve and it's a total disaster for street use. Something about not cooling well.

I tried to search for more posts on the topic but the word 'sleeve' is just getting tooo many results and it's not pertaining to what I need to know.

Can anyone give me the low down on the pros / cons of sleeving the block in preparation for forced induction.

thanks!
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Old Nov 5, 2010 | 12:30 PM
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From: tampa,fl
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Whats your hp goal???
Also not saying to go with it but if your shooting for 700-900 or so for street,blockguards could be an option,cheaper,and have lil port hole around it for air to get threw.just somthing to consider
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Old Nov 5, 2010 | 12:33 PM
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I don't really have a goal in mind yet. I'm in the process of sourcing a used block for the project. My current motor in my 08 with very low miles, practically still a virgin, will be a spare/backup.

The reason I don't have 'power goals' is because we all know how we get used to the power and want more and more. So I want to get bottom end as strong as possible and creep the boost up slowly.
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Old Nov 5, 2010 | 12:38 PM
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if they are properly installed, then there should be no reason they fail. Yet, there have been soo many fails, its pretty much general consensus to avoid them.

Honestly, you'd have to start with some really big turbos to justify sleeving. Pretty much shop cars are the only ones using sleeves. The other guys making 1000+ are just going unsleeved strokers
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Old Nov 5, 2010 | 12:48 PM
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the sleeves do their job exactly as they should...the install is the issue, as most places are simply not experiences enough, or setup properly to do the job

at a certain piston size, you need sleeves, so it really depends on your build
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Old Nov 5, 2010 | 01:00 PM
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i have had zero issues with my sleeved block (remember key is making sure whomever is installing the sleeves knows what they are doing) Make sure you have someone installing the sleeves that has done it before and has perfected it. Don't be the test mule. If you are not looking to make over 850+ dont waste your money as the vq blocks have proven to hold up non sleeved up to 1000 I believe.
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Old Nov 5, 2010 | 02:12 PM
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as stated it is install problems, and truly if u dont plan on exceeding 6-700whp there is no need imo
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