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#1
04-04-2020, 09:07 PM
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Part throttle miss and blue smoke on deceleration
Wondering if you can suggest a cure..... 455 HO 4spd 71 GTO.
Starts easy...runs smooth at idle and quarter throttle 80 mph cruise. Engine misfire and slight backfire at slight throttle 50mph. I added 10oz of Seafoam to 10 gallons of gas. Although slight it’s there and can be eliminated with your help. Also noticed Quite a bit of blue smoke on deceleration. Engine doesn’t load up or run rough ever. Your suggestions are greatly appreciated especially if you’ve experienced the same and overcome it. Thanks in advance, Bruno |
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