ah sorry forgot to mention the full car setup.
85 merc capri
347, afr 165, 1.7rr, 10.5cr, e303, professional junk intake(ported) shorty headers with x-pipe.
t5z, 8.8 with 3.27.
ms3, 8 ls1 coils, sequential fuel, slc wideband.
at cruise im running between 14.5:1 and 15:1 afr. the...