if it works, take it
apart to finde out
AO Silver Member
Join Date: Dec 2008
When a TB doesn't run properly at more than half throttle and it stutters or bogs it is usually
related to the ignition, usually the plugs, TB can be very sensitive to the spark plug gap my
engine doesn't run clean on gaps above 0.65mm (and I have an upgraded ignition coil) no
matter what spark plug I use.
NGK BP7ES is fine but I have feel that Bosch WR56 works better.
Stay a way from Champion spark plugs and iridium one's.
(Champion physically weak, iridium random missfire at boost/high rpm.)
You should also check distributor cap/rotor, ignition wires and fuel pressure, but start with