quote:I've heard of them but never tried them. Think a guy with a turbocharged F-150 tried them and it wasn't much improvement over the Motorcraft copper plugs he was using. As far as I know with these motors it's best to go with copper plugs or very narrowly gapped iridiums when it comes to boost.
Originally posted by dailydriver: Critic; what make/model/year/engine are they potentially going into?? BlownF150; have you ever tried those Czech Brisk plugs?? Supposedly many with various boosted mod motors have had good luck/slight power increases with them.
quote:Tried them in my 86 Toy 22R and they were "ok". Got about 30k out of them and they looked like crap. Went back to Denso for $1.00 each. Truck runs the same. Save your money IMHO.
Originally posted by The Critic: Any positive experiences w/this product?