Spark Plug questions
#1
Spark Plug questions
Alright someone tell me the difference between the sohc and ohv spark plugs b/c I have looked at both and there are no differences from what I can tell they look exactly the same and they have the same threads and everything. Also I have the screamin Demon Coil Pack on there and your apparently not suppose to run that on an sohc either. But it runs great tho.
#4
LOL! https://www.ranger-forums.com/forum2...4-0l-sohc.html you did catch my spelling error tho. its bosch not bausch lol.
Last edited by Alex98; 01-25-2010 at 08:56 AM.
#5
Yeah he did. And what do you mean by "Dishonesty will get you no where"? I dont think he was being dishonest. Just trying to get some answers.
#7
#8
Parts stores have plug charts wrong in most cases, with regard to these engines. Get correct number from new car manual or dealer.
#10
Like most others have said, most auto parts stores got 'em all messed up and don't differentiate the 4.0's. Best bet is to do what Cole said, look up a '05 Mustang 4.0. lol.
Don't run Bosch's in it Alex. I ran 'em once in the Ford and ran like garbage and many others report the same thing. Run either straight up Motorcraft stock plugs or Motorcraft knockoffs, Autolites. APP5144 is your Autolite Double Platinum part number. 5144 is the correct plug # for Autolites...prefix and suffix are the different model lines (AP5144 is the platinum). I don't have the Motorcraft number on-hand at the moment.
Don't run Bosch's in it Alex. I ran 'em once in the Ford and ran like garbage and many others report the same thing. Run either straight up Motorcraft stock plugs or Motorcraft knockoffs, Autolites. APP5144 is your Autolite Double Platinum part number. 5144 is the correct plug # for Autolites...prefix and suffix are the different model lines (AP5144 is the platinum). I don't have the Motorcraft number on-hand at the moment.
#11
#12
I ran the Bosch Single Plat's and they were properly gaped for Ford spec(like 0.045?...been a long time. lol). The thing wouldn't idle all too good and throttle response wasn't up to par. Had new wires, pretty new coilpack, new fuel filter, new oil in it. Threw in the APP5144's and the idle smoothed way down and throttle response bumped up.
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