I swapped out the plugs using the DIY thread for reference. The BKR6E have been fantastic so far. I can feel the difference in power band. I mash the throttle and there is very little hesitation. Prior to the install, the engine would think for a second, then go. Now, even right from the light, the car just want to "go".
PFR7Q. Hella expensive, but they last for 2 years and give absolutely no trouble.
i use bkr7e in my AWW 1.8t chipped, they work great
replacing the finally worn out NGK PF6Q (stock plugs @ $75.00) that last forever (about 4-5 years, cleaned/re-gapped once)...
Ive used denso iridium and now use ngk iridium. Both have worked very well and last an eternity....as long as the car is properly tuned. A lil more expensive but you dont have to touched them as often as copper plugs.
I have always used the denso iridiums for big turbo use. They are a bit cooler then the BKR7E, and they last forever, no fiddling around with plugs. I even have had the head off the car and left the same damn plugs in it lol. Ya, they are more expensive, but I like the convenience of just never touching them.
ive been using NGK plugs in everything from my motorcycles, to cars, to outboard motors, whatever.. ive never had a problem with them.
Autolite 4162's, I changed them out every 1000 miles.
I changed them over to the NGK bkr7eix #2667 and was wondering if spark plugs would have any effect on boost? It seems like the car isn't boosting as it should, I have a boost gauge and it also seems the PSI is a couple LBs lower than before the spark plug change. I have not experienced any misfires (that I can tell) and no CEL it's just the boost doesn't seem as high.
First step, get those Bosch Platinums to a trash can where they belong. Even when I was in Bosch Fuel Injection Training School back in the early 90's, the Bosch Instructors were telling us not to put them in anything unless we wanted to start chasing driveability issues.
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