Just ordered upgraded internals for my 2uz but staying with stock piston CR at 10:1. Is anyone running 12 psi boost with this CR. Have Harrop 1900 Supercharger at 7 psi now but looking to go up to 12psi once new rods and pistons are in. This is my daily driver Land Cruiser so just on pump gas and intercooled with Elate 60mm manifold currently. I do have meth setup that I was using on non intercooled TRD SC . I can add meth back for boost over 7-8 but do I need to? Anyone with similar uz compression ratio boost setups?
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