i have a 1989 turbo supra.. has 95k on the car.. 4k ago the bearings were replaced, head re machined, and metal head gasket intalled, every other part still met toyota factory specs. then turbonetics turbo, 3in custom exhost were installed. the car hits its fuel cut off at about 12psi, with the factory fuel pump is it safe for me to install the HKS FCD
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