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For oils try out royal purple It's not supposed to oxidize as quickly as normal oils so that it lasts a whole lot longer. And you'll see performance gains from it too. I could tell the difference almost right away.

 
Rep Power: 319

My gf's got that in her civic now and I will in about 800 more miles. So you could tell a difference right away? What did you use before that? and how do you drive? and how many moles are on your car? I ask because I want to know if there was any carbon build up before hand, in which case almost all synthetic oils get rid of carbon build up.

 
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So you could tell a difference right away? Yes. The engine felt a lot smoother.

What did you use before that? Valvoline

And how do you drive? Don't always have the pedal on the floor but not your average driver either.

And how many miles are on your car? 37,500

I ask because I want to know if there was any carbon build up before hand, in which case almost all synthetic oils get rid of carbon build up: Not sure about it but there may have been some build up.

 
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Gearbox,
I don't have to worry bro, because I get on it in my car and roll, clean
spark plugs @ 45,000 miles in my 2002 5 speed coupe! I get up on the line
and go........squeky clean dude, get on it bro!!!!

 
Rep Power: 812

I've been trying, but I'm afraid for the auto tranny breaking. The newer ones have a bad rap for that.

 
Rep Power: 332

everyone should be worried about their tranny, all I've heard and seen out of these transmissions is bad things.

 
Rep Power: 319

clownprince... I hope you are just talking about the autos....

 
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i always drive full throt. & between time 2 time i travel in my car & i get out the maximum out of it 200 K/M

& by the way what kinda plugs i can replace the original with .. can anybody help with this " my car is civic Exi 01 -1500cc-"

 
Rep Power: 319

I would go with the factory plugs from Honda, presuming you don't have much done to it for preformance. And if you 7thgen, it a 1700cc, or so, I think it actually like 1685 or something.

 
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thanx Jrfish i think ur advice is the best about keeping the fctory plugs

 
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What really helps is using fuel cleaner with 93 octane gas every 6000 miles. I pulles my plugs at 18k(America) and they were beautiful. But I replaced them because I have a turbo