Question about 1965 Ford Mustang

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Hesitation in my Engine ~ Damsil in Distress!

My 65 Mustand hesitates at accelateration. It happens bad in first and 2nd gears.. then after it gets goign a bit its not as bad.. I had the oil, Tranny and Diff fluids changed this weekend.. and the hesitation got worse and it backfired all the way home.. I rencetly changed the air filter and was told to try the fuel filter.. but then somone just told me that was highly unlikely. after the backfire incident I sprayed carb cleaner on teh carb area and the backfiring stopped but it still hesitates.. HELP!

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Sounds like a choke sticking or carburetor needing attention..(adjusting or rebuilding) hard to say more without hearing it my own self.....hit me up if i can help more milespeed@gmail.com

Posted on Nov 10, 2008

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Accelerator pump prob....need carburetor rebuilt kit and re tune the carburetor...

Posted on May 15, 2013

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I have the same problem with my 65 coup...but at acceleration at higher speeds..I had the carburetor rebuilt and a new fuel pump installed. The vacuum advance was checked and is working. What is finally helping is my mechanic advanced the timing a little and it helpedthe hesitation at higher speeds. He is adjusting the carburetor now and says that should take care of the low speed acceleration. Hope this helps

Posted on Nov 30, 2008

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