90mm Throttle body
Trending Topics
03-23-10, 07:59 PM
#10
don't use a single valve TB with the stock manifold. the stock manifold is designed to be two stage. the primary throttle valve opens and then secondary throttle valves opened. they are mechanically linked together. it's for response during part throttle conditions. people use single valve TB's on custom UIM's with large plenums that are built for top end power.
03-23-10, 08:51 PM
#12
don't use a single valve TB with the stock manifold. the stock manifold is designed to be two stage. the primary throttle valve opens and then secondary throttle valves opened. they are mechanically linked together. it's for response during part throttle conditions. people use single valve TB's on custom UIM's with large plenums that are built for top end power.
10-22-14, 08:55 PM
#15
Racing Rotary Since 1983
iTrader: (6)
since the lower intake manifold runner area is 5.7 square inches and the OE TB is 8.5 just what advantage would a larger (90 mm is 9.8) throttle body deliver?
besides destroying driveability a single throttle plate does not line up w the UIM.
the factory spent a fair amount of time on a flow bench and the combo works quite well at 9000 rpm.
unless you replace the UIM and LIM, i suggest you spend your $s elsewhere.
howard
besides destroying driveability a single throttle plate does not line up w the UIM.
the factory spent a fair amount of time on a flow bench and the combo works quite well at 9000 rpm.
unless you replace the UIM and LIM, i suggest you spend your $s elsewhere.
howard
