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Old Mar 2, 2018 | 01:01 PM
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86bronc
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I've been 1986 Bronco in 2010 we put in 91 302 since then been having issues with it running rough not starting when it's cold stalling and a host of other issues it's been in and out of the garage for the last 2 years and we haven't completely figured out the problem I was told it has a cam from a 351 but I thought they were interchangeable the 302 is an ho motor and has electronic fuel injection when I change the motor to the 91 we didn't change the ECM could this be the problem or is it the wrong camshaft we've changed every sensor distributor harmonic balancer wires plugs no change would an aftermarket computer setup solve my problems or does anyone have a solution
 
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Old Mar 7, 2018 | 10:11 AM
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Did you route the spark plug wires for the HO/351 firing order or retain the original firing order?
 
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