Bosch 9613 Double Iridium Longer Review

Install them in a 2006 Tacoma with 72,000 miles performance dropped. Plug them in and they light up right away and seem to improve performance a bit. The Tacoma doesn't have the greatest gas mileage and they may have increased it by 1 or 2 mpg. I've got a few more tanks to fill to see. If you are unsure whether you need to replace your spark plugs, you can order them to have them on hand when you do. Check them carefully as they were packed loose. I suggested that Revane wrap her in peanuts…

order arrived on time but only 3 out of 4 turned out to be the correct fork. They all arrived in the same package and that odd plug was 2/3 too small so I don't see how anyone could NOT notice that this plug didn't match the others. The odd one was in separate packaging, with a different label, different size on it, and was significantly smaller. Fired with one of the old spark plugs to start the engine. Not worth sending back but I'm not sure how anyone could have overlooked this and just been

I installed them on my 2007 Toyota FJ Cruiser. immediately noticed the truck running much smoother and also noticed a slight improvement in fuel economy over the course of a few weeks. Overall the truck runs better than before (this has been compared to normal Toyota dealer spark plugs). Not relevant but noteworthy. (I don't run my tank dry, not a good idea living in the country) so the entire run is 1/8 tank of gas. My FJ is a premium fuel car, which means it must run on at least 91 octane…