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post #6 of (permalink) Old Aug 20th, 19, 9:08 PM Thread Starter
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Re: 1970 chevelle ss

Originally Posted by roadster601 View Post
hey all i have another one for you guys, the car is a 70 SS 396 w/a/c when the car is at idle and it idles well, the main 3/8 rubber fuel line to the fuel pump pulses like a heart beat, speedup pulses faster. can it be a thin wall 3/8 fuel line or a bad fuel pump, i assume its the correct fuel pump its the can with 3/8 in and 1/4 return any ideas thanks guys.......
the fuel line from the tank to pump is doing this, never seen this before

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