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Unread 08-17-2006, 12:04 AM   #9
Z06 Rocket
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If I remember correctly the intake across the top of the motor on a LT1 is black, and on an LT4 its red. This is the intake itself, not just fuel rail covers. About 30 hp is the biggest difference. Similiar to an LS1 vs LS6 comparo.
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