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Old 02-27-2017, 04:31 PM
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Frango100 Frango100 is offline
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Originally Posted by scumdog View Post

If it's anything like a vacuum secondary Holley the secondary won't open just by cranking on the throttle if the motor is not running AND under load.
The secondaries on the edelbrock 1405 are mechanically connected to the primaries. Above the secondaries throttle blades there are air valves, which only open when there is air flow. But the secondaries should open normally and the linkage can be seen from the outside.
1958 T-Bird "Trovão Rosa" - "Rose Thunder"
Thunderbird registry #61670
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