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Old 06-21-2011, 07:15 PM
Bobcat Bobcat is offline
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Join Date: Apr 2007
Cobra Make, Engine: # 757 ERA 427 SC , 482 Al. big block
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Grubby ... FWIW , a general rule is : lite car , lite spring ... heavy car , heavier spring . I have the kit on my 427 Galaxie that Patrick talked about and it makes dialing in the secondary opening a snap ... and I have dual quads on the Galaxie . Another rule of thumb ... if it feels like someone threw a switch when the secondaries open , then the spring is too lite . When they open , it should be a smooth transition .
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