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Crusader 454 noise when Powerup

D

dominique

New member
I have twin 1988 Crusader 454

I have twin 1988 Crusader 454 s engines that are running smooth. Just experiencing a kind of "tak" "tak" when I power-up the throttles with a loss of power for a 1 second period. It looks like coming from the igniters but I am not sure (any ideas)?
 
Sounds to me like a minor back

Sounds to me like a minor backfire or two from a lean mixture. A weak accelerator pump on a carb will do that.

Jeff
 
"Thanks Jeff, just forgot to p

"Thanks Jeff, just forgot to precise that it happens only when I increase the power fast and at approx 2000RPM. when I go smooth nothing happen.
Dominique from France"
 
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