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  1. V

    454XL TBI Throttle Body Injection problem

    I did think of this with vibration, etc but my thought is that a bad connection would happen all through the rpm and especially while on some chop
  2. V

    454XL TBI Throttle Body Injection problem

    I watch it and the injectors cut in and out with the stumble pricisely at the same time. It’s like someone’s on on a light switch turning it on and off
  3. V

    454XL TBI Throttle Body Injection problem

    Hello, I have a 1997 Silverton with twin TBI 454XL Crusaders. The port side runs like a dream but the starboard side at idle rpm stumbles up and down between 700-750 down to 450. It will do this in neutral or in gear at this idle. This was present prior to full tune ups. I have since swapped...
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