Have a 1990 gtr - with tons of upgrades. Running aem engine management, new tomie turbos , and exhaust from header to tailpipe, new injectors-1000cc , new fuel pressure reg. And pump. Greddy mafless intake ,.
Car is flat with no power til around 5k rpms. Will not pull at all. And running about 210 on temps. Any help would be great. Have checked a/f and timing , both are where they should be. Please help