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10-25-2002, 11:03 AM | #12 |
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Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,080
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I believe the RamJet cam spec's are .431/.451. You prob could run up to .470 lift max but the real question would be how long will the stock springs last w/more lift than the factory intended. The LT4 valvespring upgrade is good insurance & they have passed GM's 300 hr. full throttle test so they should last 100k in your motor.
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