I have personally had problems with bosch plugs in a couple different Toyotas including my FJ40.
I only put Toyota OEM in now. They are a U groove plug anyway, and seem to last a looong time.
Just pulled the Champion plugs out of a non-running 77 FJ40 and replaced with OEM, ran better immediately, then much better after performing the magic hand slap on the carb. Maybe just me, but?????
I have noticed that the build of the OEM is different than aftermarket. This affects heat range, etc. Maybe thats it.
I just feel the OEM *works*.... and ya know what they say about things that work!
PS: NGK are an OEM crossover (even in the manual) if you're not at a Toyota dealer.
I've used bosch platinums with no problem. They need to be replaced more often (60k vs 90k) but at 1/8 the cost of iridiums it is worth the extra hassle to me.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.