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Brisk spark plugs for 3v engine

Old 11-22-2012, 09:16 PM
Greg B
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Brisk says they are only a 20K mile plug, but my guess is they'd go 30K-40K if they had to. I once had a 92 F150 with a 300 six that I ran the original Motorcraft resistor plugs over 70K miles and it still ran great. The gap was a little wide at that point, though. The resistor plugs will withstand more abuse than a platinum plug without the electrode disentegrading. That's why they use conventional resistor plugs in supercharged apps. And if plugs are changed every 20K-30K miles there won't be much of a breakage problem during removal because the carbon build up won't be severe.
Old 11-23-2012, 06:37 PM
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The new Autolite/motocraft plug has been redesigned. Use either of them.
Old 11-26-2012, 11:27 AM
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I just changed the plugs in my 07 4X4 Screw with 91,000 miles on it and 5 of the 8 plugs broke off. Fortunately my son in law has the extractor tool to get them out. It took us 4 hours to get the job done and I am glad it is over with. I have always been a die hard Ford man, and this design is shameful and pathetic. I changed the original plugs in my 2000 F150 when the truck had 155,000 miles on it, and it didn't change a thing. This 07 is getting 2 mpg more than it was, and it is running properly now. I am NOT impressed with this 07 truck at all with the exception of it's towing ability, it is a mule for sure. I have rust coming through the cab corners, and the transmission is starting to fail I do believe. Not the tough truck that I have had in the past with Fords. Very disappointed to say the least.
Old 11-27-2012, 08:00 PM
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Interesting thread sorry I haven't logged in lately. The brisk plugs are less than impressive verses the HT0. One piece means nothing. Why? Because when you are force fed the plugs aren't gonna last more than 20k. In fact my brisk survived only 8k. My HT0 last 12-15k. Neither will last long enough to ever become stuck in the head. The HT0's are the way to go.
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