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LS1 to larger sleeve

This is a discussion on LS1 to larger sleeve within the Internal Engine forums, part of the LSx Technical Help Section category; Can a LS1 block 3.90 bore be machined to except larger sleeve. I would like to get to as close ...

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    Junior Member cccullins's Avatar
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    LS1 to larger sleeve

    Can a LS1 block 3.90 bore be machined to except larger sleeve. I would like to get to as close to LS7 bore as I can.

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    Veteran Hi-Po's Avatar
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    Sure it can. But why would you spend all that money on machine work when a LQ block or similar would be new... and cheaper?

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    Manhattan Trans Am SHovV's Avatar
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    yeah it can. mine was bored to and stroked to 427 by MTI houston. but for the money just get an aftermarket block

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    Quote Originally Posted by SHovV View Post
    yeah it can. mine was bored to and stroked to 427 by MTI houston. but for the money just get an aftermarket block
    Im dying to know what the machine work cost.

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    Junior Member cccullins's Avatar
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    What did the machine work cost u?

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    Junior Member cccullins's Avatar
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    What is a LQ block is it alum?

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    Quote Originally Posted by cccullins View Post
    What is a LQ block is it alum?
    No, Iron. Its a 4" bore, and with sonic testing can be bored past .030 . The LQ series came in trucks and escalades. Your better off calling a company that specializes in this kind of thing. You need to go over some options and true plans for the car. If you plan on running a N20 at all, that might change your mind, a good engine builder will be able to tell you this.

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    Junior Member cccullins's Avatar
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    I'm not looking to go iron yet, if I did it would be a wasted of money to buy anything other then a LSX. I to trying to utilize3 what I got what machining is require other than boring shouldering and surfacing the block?
    Quote Originally Posted by Hi-Po View Post
    No, Iron. Its a 4" bore, and with sonic testing can be bored past .030 . The LQ series came in trucks and escalades. Your better off calling a company that specializes in this kind of thing. You need to go over some options and true plans for the car. If you plan on running a N20 at all, that might change your mind, a good engine builder will be able to tell you this.

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    Quote Originally Posted by cccullins View Post
    I'm not looking to go iron yet, if I did it would be a wasted of money to buy anything other then a LSX. I to trying to utilize3 what I got what machining is require other than boring shouldering and surfacing the block?
    The LQ is a Ls series really. Its still in the family if thats what your wondering. Why not iron? Other then the obvious weight penality.

    You can RESLEEVE your block. I see it being done at work all the time. But its in Diesels

    Thats pretty much what your looking at, a complete re-sleeve. Big money. Im not a machinist so I cant not run down the process, but I do know its alot of work at xx.xx dollars per hour.

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    Manhattan Trans Am SHovV's Avatar
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    yeah, to get big inches out of a ls1/6 it a total bore out and re-sleeve.

    and idk what it cost to have all the work done.i know it wasn't sheep. the car was built around '02 from what jason,david & josh have told me ( previous owner/employees ). im the 4th owner, i knew the 2nd & 3rd owners but haven't been able to track down the original owner...

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