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Cylinder Length

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Old Aug 16, 2006 | 09:43 AM
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Default Cylinder Length

What are the cylinder lengths on the LS2,L92,& LS7?
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Old Aug 16, 2006 | 12:01 PM
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LS2 apprx. 5.500" If memory serves me right
LS7 5.900" top to bottom of the extended tangs(to accomodate the 4" stroke)
L92 should probably be in line with the LS2 since it uses the shorter stroke.
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Old Aug 16, 2006 | 12:32 PM
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Originally Posted by 427 LS1
LS2 apprx. 5.500" If memory serves me right
LS7 5.900" top to bottom of the extended tangs(to accomodate the 4" stroke)
L92 should probably be in line with the LS2 since it uses the shorter stroke.
Extended tangs? - does anyone have a picture of this?

Thanks
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Old Aug 16, 2006 | 01:05 PM
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I can probably take some pics, basically it's like a C5R block in that regard, the sleeves hang past the parent aluminum material at the bottom to control the piston better at the bottom of the stroke when the piston changes directions. The longer stroke obviously pulls the piston further down the cylider and without the longer cylinders you get problems with ring seal and piston rocking.
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Old Aug 16, 2006 | 11:47 PM
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Default stock LS7 sleeve

Dave,

I'll save you the time.

Tang extends roughly .200" past the aluminum casting.

LS2 sleeve is 5.5". Your memory is pretty good!

Steve


Originally Posted by 427 LS1
I can probably take some pics, basically it's like a C5R block in that regard, the sleeves hang past the parent aluminum material at the bottom to control the piston better at the bottom of the stroke when the piston changes directions. The longer stroke obviously pulls the piston further down the cylider and without the longer cylinders you get problems with ring seal and piston rocking.
Attached Thumbnails Cylinder Length-ls7-sleeve-tang.jpg  
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