06-30-2006, 10:00 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Plums....do you think the LS2 will be rattlers cuz they have reduced the ring tension on them compared to the LS1. Here a cut n paste from the eagle site:
"In the 6.0-litre applications, including the Corvette, GTO and SSR, the LS2's cylinder bores measure 4.00 inches in diameter. The LS1's bores measured 3.90 inches. The LS2's crankshaft is essentially the same sturdy, 3.62-inch-stroke forging as the LS1's. Previous LS6 engines were balanced to a higher degree than LS1 engines; we don't know if that will be the case with the LS2, which incorporates many of the LS6's attributes. Pistons for the LS2 have a true flat-top design. Ring tension has been altered, compared to the LS1, to reduce the tension and free up horsepower. The pistons are connected to cast rods via full-floating wrist pins. This was done to reduce the piston slap often heard in LS1 engines. Though not proven to be detrimental to the engine, the slap noise nonetheless caused customer complaints."
Would be a shame to spend $10.000 on an LS2 only to find it rattled. That would really pi$$ off some folks.
Not that that would cause me any concern  
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