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Old 03-10-2011, 06:00 PM   #1
jserrato714
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Location: orange ca
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sbc 350 shaking at iddle

Hello forum...I have a 68 c10 with a 78 el co sbc 350/th400. I just changed out spark plugs,oil 2 weeks ago. Truck ran like a top. I started it up this morning and their slight shake to it. I ran the truck on the street and its driving normal. It only shakes when at a stop. I replaced the gas filter and nothing. I also check the plugs,plug wires and they seem fine. I pulled of the cap and rotor and it looked fine. I clean the points on the car and the actual rotor to see if it would help but nothing. Can this be a miss fire of some sort? I am not sure if its carb related. I thinking its spark and not gas because it drive normal on acceleracion. Any ideas?please help this is my dd. Thanks


Note:78 elco 350
high rise intake
edelbrock carb
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Old 03-10-2011, 07:10 PM   #2
GruntMoanCough
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Re: sbc 350 shaking at iddle

Vacuum leak?
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Old 03-10-2011, 07:21 PM   #3
jserrato714
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Re: sbc 350 shaking at iddle

I checked vacuum also . I think I found the problem. I went ahead and move the distributor and yup sure enough it was a bit loose. I check my timing,set it and tightened the dizzy nut.I drove her around. Sure feels better than before. It must of moved when I was haulin ass down the freeway . Lol. Thanks peeps
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