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Old 09-13-2020, 11:21 PM   #13
mr48chev
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Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,348
Re: 350 has bad misfire/shudder over 2000RPM

The 454 in my Dually is doing pretty much the same thing and I need to get it sorted out. It started on the way back from the dump one day and spits back when I accelerate.

Carb bolts coming loose isn't something you usually think about though. I figured the cam went flat on it.

The smoke from the fires is so bad here that I haven't been wanting to stay outside long enough to fool with it.
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Founding member of the too many projects, too little time and money club.

My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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