ok guys i have a 89 lx 5.0 with cold air intake, just above stock cam,2 1/5 in. mac h pipe w/cats and 2 1/5 in. flowmaster cat back w/o tails on it.
i just bought a gt40 polished intake manifold w/65mm throttle body and spacer he also gave me a spacer that goes between the upper and lower...