Nick Williams scalar values for 103mm LSx vs 102mm (not LTx)

Sometime in 06-08 is the switch. Most LS2's and very early LS7's are silver blades. By LS3 they are all gold.

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Originally Posted by GrannySShifting

When did they switch from silver to gold? All LS3 engine stuff had gold blades right? Chevy SSs? Were all Pontiac G8 GXP/6.0s silver or gold?

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All Chevy SS sedan's were gold blades. Not sure about G8's.

For an extra data point, my ls7 had a silver blade tb. Build date was 10/07. I'm almost positive all ls3s had gold blades though