Lazin
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- Blown VS V6 Wag
Retarding the cam would certainly help out, if you're not paying for the work to do so. It definitely needs to be looked at first considering you're only seeing 11psi with a 2.8" pulley and an overdrive balancer.
What psi would you expect in a 4.2L l67 with 5% over and 2.8 pulley?