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hey guys, its just the end of winter here and cant wait to get the mustang out. last year i had this problem and didnt even know where to start. it back fires mostly when its cold and sometimes when i get on it, i noticed when i would shift into third but then it did it any time. anyone have any ideas what to do or look at?
 

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Timing?
 

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hmm yes if you have stock 19lbers you could use some larger ones, id say 30lb maybe. backfiring is normaly a timing issue or valve train issue.
 

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well checking timing is kinda easy with a timing light and marking you balancer im not sure about the valvetrain tho
 
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