I've run Bosch iridium's in all my vehicles (boosted and daily). No gapping needed.
Pros: no gapping needed
Part number: 9756
Owner reviews for spark plug
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I just replaced mine, at 80k, with Denso PLatinums. The same brand as the stock plugs.
Pros: same as stock
Mileage: 80000 km
Autolite is the brand I got through rock auto.
Pros: cheap price
I have been running them for 50,000 miles with is20 then is38 setup. Work perfect.
Pros: work perfect
Vehicle:
Volkswagen
Mileage: 50000 km
I just ordered new spark plugs and an oil filter as well.
Vehicle:
Volkswagen
These were actually alright spark plugs. The ceramic is a lot tougher than normal ceramic, and the electrode is larger. They were marketed as 'truck plugs', but they're really good in old tractors and farm equipment. They last forever.
Pros: tough ceramic, larger electrode
Cons: rest of plugs are shit
I just did the change myself on my Gen 1 Mazda 3. It's simple! I used NGK Laser Iridiums.
Pros: simple to change
Vehicle:
Mazda 3
For what it's worth, I've changed my plugs twice (OEM to Denso to Beru-RS7) and never noticed any oil or any difference in color between the plugs.
Pros: no oil, no color difference
I’m IE stage 1, had the plugs changed to rs7 plugs I had been waiting to Install (they were early versions) not long after, left the shop and had horrendous misfire. Limped back to the shop and got OE plugs back in and it worked fine.
Pros: worked fine with OE plugs
Cons: horrendous misfire
Yeah I own and operate an auto repair facility and refuse to use Bosch plugs because I’ve had a lot of issues with them in the past. Misfires mostly.
Cons: misfires
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