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Old 01-14-2008, 10:12 PM
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Mustangsaly Mustangsaly is offline
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those are not vortec heads.

what wrong with the 700 cfm with mechanical secondaries


my build is a 350 4 bolt main vortec block with vortec heads and roller cam & GM LT4 "HOT" cam kit. duration @ .050 is 218*/228* .525" lift with 1.6 rockers, LSA is 112*. and a 750cfm mechanical secondaries. but I have been offered a 650 & 700 double pumper with mechanical secondaries I'm running a 4 speed & 411 gears.
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