Whipple Charger Installations Instructions for Mercury 454/502 Magnum Engines
28. Throttle linkage installation: (See figure 8)
Install factory throttle linkage anchor bolt into "L" adapter.
Install factory throttle linkage bolt in throttle arm.
Adjust linkage so that the linkage barely fits on the linkage bolt, so that the linkage
is always being forced to it's maximum closing position.
Adjust heim joints as needed.
Tighten all bolts, allens, etc. on throttle assembly.
Verify that the linkage does not go over center at any time. Should be able to go
back and forth 100% without binding.
MAKE SURE THE THROTTLE CABLE OPERATION IS CORRECT. WITH THE ENGINE OFF,
MOVE THE THROTTLE A FEW TIMES TO FULL OPEN AND CLOSED POSITIONS. THERE
SHOULD BE NO BINDING OR STICKING AND SHOULD OPERATE FREELY.
PRIME FUEL PUMP WITH FUEL!!
CIRCUMSTANCES!! THERE ARE NO WARRANTIES FOR PUMPS RAN DRY.
29. Adjust fuel pressure TEMPORARILY: DO NOT RUN PUMP DRY!!!!
Install quality mechanical fuel pressure gauge (do not use electric gauges to tune)
454/502 MagnumTBI_A1R9
BEFORE STARTING THE ENGINE
DO NOT RUN THIS PUMP DRY UNDER ANY
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