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Firing Order???

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1.4K views 7 replies 3 participants last post by  JThom4083  
#1 ·
I have a 85 bronco with a H.0 351...what is the firing order? Im just double checking it...theres also a problem with it...it backfires through the carb and runs like complete shit. It has new plugs, wires and distrubitor cab
 
#2 ·
According to my Haines manual, the firing order for the 351 and 400 is,

1-3-7-2-6-5-4-8

It should be on your emissions sticker on the radiator support, along with other info, vacuum dia, plug gap, and base timing.