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3,703 Posts
Out with Ford Performance M-12405-35T plugs and in with the NGK 95605 plugs,, ,,,,,,,,,,,,,,,,,,,,,,,,,
Well not so fast.... Working with Torrie and requesting logs, I sent him new ones, he emailed and said what has changed, there is a significant increase in KR. He asked did I recently change fuel, I told him no but I did change plugs... I advised from what plugs to what plugs from and he asked me log previous revisions, (2) two of them and send. I did log the two previous revisions, and sent to him, Same fuel in the tank similar ambient temps thankfully just NGK Plugs ,,,,,,and the findings, each revision I logged with running the new NGK plugs, we are experiencing 2-4 positive KR increase on the big end of each 1/4 run and WOT throttle pulls....
Now to totally eliminate the plugs, I have ordered a new set of the Ford Plugs, parked the truck to make sure the remaining fuel level stays and will swap plugs and do the logs over again for each of the revisions....
Now, for all of you, what are your thoughts?
Well not so fast.... Working with Torrie and requesting logs, I sent him new ones, he emailed and said what has changed, there is a significant increase in KR. He asked did I recently change fuel, I told him no but I did change plugs... I advised from what plugs to what plugs from and he asked me log previous revisions, (2) two of them and send. I did log the two previous revisions, and sent to him, Same fuel in the tank similar ambient temps thankfully just NGK Plugs ,,,,,,and the findings, each revision I logged with running the new NGK plugs, we are experiencing 2-4 positive KR increase on the big end of each 1/4 run and WOT throttle pulls....
Now to totally eliminate the plugs, I have ordered a new set of the Ford Plugs, parked the truck to make sure the remaining fuel level stays and will swap plugs and do the logs over again for each of the revisions....
Now, for all of you, what are your thoughts?