big problem
I have a 1987 supra turbo, mods are 2.5 inch inner cooler pipe, mbc 10psi, 3 inch full exhaust, adustable fuel regulator, no boost leaks for sure, foam air filter. Engine runs perfect, pulls ok under boost up untill I hit 5,000 rpm then the motor just starts back firing like crazy. I have a super monitor on the dash to check codes by pressing the buttons it will tell me the codes and the dash says, eng- ok. I don't know what to do. Am I crazy to think my foam filter is restricting air. Help me!!!!!!1
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