gomboy60

Hi All, I recently replaced old spark plugs with the Bosch and one of you had problems with those.
Has anyone else experienced or noticed any trouble with these plugs?
I have only front three plugs replaced for now without any problem. The car runs well.

Cy

UNOHOO

iTrader: (3)

i used those exact same plugs myself, twice actually, for me anyway they run f'n amazing. I noticed a HUGE difference once i put those in. Good luck with doing those back 3. Theres a DIY to help you do those in this forum.

gomboy60

Hey UNOHOO, Thanks for your reply.
BTW, what chage, if anything, that you have noticed after the plug change?
I am glad to hear that, at least, there is no negative result from it. I will tackle the rear ones this weekend.

cy

2003 RX-300, 66K
1998 Chevy Sub, 123k
1997 ES-300, 176k
2007 Acura RDX, 10k

UNOHOO

iTrader: (3)

well before i replaced the old ones with those i was getting poor gas mileage due to the engine missing a lot, i was also getting some shuddering when pulling out or occasionally while driving roughly 55-65 mph, also just idling really really bad, enough to make the engine stall sometimes, granted i had no idea how old the plugs in there were and i replaced the rear 3 coils packs at the same time but i noticed it wasnt missing nearly as much, little bit better on pulling out from a stop and it would coast longer. I changed out the front 3 coil packs a month or 2 later and it got a little better, dont really remember if that shuddering happened after that except when pulling out, ive replaced the MAF sensor and front 2 a/f sensors, plus did another plug change with the same type around the same time as the sensors since the engine was burning so rich. I also switched over to synthetic oil on friday and seriously....my car is running like a dream! im going to use a lot of the DIY guides on here and do my own maintenance on my car and see how far i can push it. Right now ive got 210k and i plan on makin it 350-400k

rx300s415

I run those exact spark plugs right now, I'm at ~140,000 miles and I've had them in there since ~90,000 or less. Pretty good so far, but I think after this I'm switching back over to NGK Iridium's. No reason in particular, just want to try out some new things people have left good reviews about here.

Lexmex

I like my 4 prong Torquemasters...these things were dynamite at helping me burn that high sulfur gas when I was south of the border.

MEANDAFAKA

i would rather use the NGK iridium

Lexmex

That's a good point. If you don't modify your vehicle for exhaust/intake like I do, NGK or Denso make perfect sense. Incidentally, I tried the Torquemasters when I had my RX virtually bone stock and I didn't notice much. Took my modifications to really notice a different with the plugs.

MEANDAFAKA

and the bosch 4 tip is a little bit more expensive too