crusader 454xl cuts out over 3000RPM sometimes

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1994 370 pit stop
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crusader 454xl cuts out over 3000RPM sometimes

Post by 1994 370 pit stop »

HI
I have a1994 370 express. Sometimes over 3000RPM's my starboard engine just cuts out, sometimes stalls and need to wait a bit till she starts up?
I rebuilt carb.
New complete distributer assemble coil module
new plugs,wires.
I have that mss somthing ignition, could it be that?
Thanks, Eric
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gettaway
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Re: crusader 454xl cuts out over 3000RPM sometimes

Post by gettaway »

Did you check fuel pump and or anti siphon valve? could be starving for fuel at that RPM
1984 Silverton 37C
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Big D
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Re: crusader 454xl cuts out over 3000RPM sometimes

Post by Big D »

Back to basics....Need to determine if it's an ignition or fuel issue so you know which system to focus on. Take a run, and when she quits again, you need to find out right away if you are at least getting a spark when you try to start her again. If you are getting a nice clean bright spark, it's likely a fuel related issue. If you don't get a spark, it's an ignition issue.
She was a 1969 36 ft wooden beauty with big blue 440s that we'll miss forever.
And thanks to the gang, 2012 Trojan Boater Of The Year
1994 370 pit stop
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Posts: 6
Joined: Wed Feb 26, 2014 5:08 pm

Re: crusader 454xl cuts out over 3000RPM sometimes

Post by 1994 370 pit stop »

Did you check fuel pump and or anti siphon valve? could be starving for fuel at that RPM[/quote]


THANK YOU
Where is the anti siphon valve,and what does it look like?
1994 370 pit stop
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Posts: 6
Joined: Wed Feb 26, 2014 5:08 pm

Re: crusader 454xl cuts out over 3000RPM sometimes

Post by 1994 370 pit stop »

Turned out to be spark.
Swaped computer, same problem.
Swapped ignition relay, problem switched to port moter,
$34.00 problem solved
THANKS
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9mtrojan
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Location: Raritan Bay, NJ

Re: crusader 454xl cuts out over 3000RPM sometimes

Post by 9mtrojan »

I had the pin in my manual fuel pump arm fall out. Engine ran fine at 2900 rpms. Past that she would stall out. Anti siphon valve is at the gas tank line to the carb. Hope this helps.
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