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Old Aug 13, 2014 | 03:51 PM
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Default Connecting rods

Im going to be getting new connecting rods but just wondering what would have to be changed, if anything going from a 6.098 stroke to a 6.125? Everything will be forged, new heads and everything else but wasnt sure about the rod length difference.
THANKS!!
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Old Aug 13, 2014 | 05:04 PM
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Originally Posted by BADBOWTIEz28
going from a 6.098 stroke to a 6.125
Well, that's gonna be a pretty huge stroked LS engine!

OK, you mean rod length. You'll need pistons that'll accommodate the longer rod with a higher pin bore.

I'd suggest you get a piston & rod package. It'll include the needed rings, pins, locks and bearings.
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Old Aug 13, 2014 | 05:56 PM
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Haha! ya I meant rod length, not paying attention. Ok so I looked at some pistons and rods. The pin diameter of the pistons are .927"

Here are the rod specs for the pin diameter:
Rod Journal Diameter (in): 2.100 in.
Big End Bore Diameter (in): 2.2250 in.
Pin End Bore Diameter: 0.927 in.
Big End Width (in): 0.940 in.
Pin End Width (in): 1.010 in.

will these rods work? Im not sure what the big end width and pin end width are so thats why I am asking.
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Old Aug 13, 2014 | 06:02 PM
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If they're LS rods, they'll work. It's the pistons that need to change. To have a longer rod, the piston pin sits higher towards the top.

Is this all going onto a stock crank?
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