Rep Power: 360

Well this morin i was on my way to work and i got on the highway and it felt pretty dam fast for some reason. 2nd and 3rd pulled hard. 4th a lil too...Is it becoase i just got a oil change? I needed one, i was 1000 over.

so this time instead of getting what the motor requires i got synth. car feels better and seems to be running somewhat better. my 04 has 72,000.

 
Rep Power: 396

Is it colder outside? LOL

 
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yeah its colder outside, but i have never felt that big of a differance like today....and my car isnt turbo'd anymore.

 
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maybe it is just the weather changes.

 
Rep Power: 272

yes it is!!! the weather probably doesn't hurt too.....when i made my second oil change i believe.. to synthetic i felt an amazing increase in driveability!!!use a good synthetic and you'll be much happier w/ur car!!!

 
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Since my 4th or 5th oil change I have always used Synthetic Oil in my car. And now I have around 31,000 miles and shes running smooth as when I bought her. I just figuered if I have a civic's redline at around 7,000 rpm I might as well buy the good oil. My oil changes are like $70 each time but whatever.

 
Rep Power: 336

its the wheather. my car felt like it was more powerful lately. it pulls harder for some reason. and no its not in my head. i noticed it last night when it was like 50 degrees out. damn i can't wait to get that intake from gearbox... its gonne be sweet.

 
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for every 10F degree drop in intake air temps, you gain 3% hp

 
Rep Power: 434

oil changes shouldn't cost more than $30...but that's if you DIY

 
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never heard this one before. is there actual evidence of this? maybe a 1hp gain, max, on our cars is more likely

 
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well whatever it may be, from the oil to the cold temp. it feels alot better...why would it be interesting on what gearbox says????

anywayz its been around 50 as the high to low 30's around here at night...

 
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what oil u use jk

 
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sorry, 15F ... not 10. Still...

http://www.hondata.com/heatshieldgasket.html

I'm positive it doesn't matter what kind of engine it is .. whether D16, D17, K20, B16, whatever ... intake air temps are intake air temps... not referring to ambient air temps either.

if you think MY sources are not credible, gearbox has said it himself.

 
Rep Power: 434

that's understandable, but still...3% hp increase? and what is your "constant" temperature? would it be room temp?

 
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I don't think there is any constant. Just based on IAT variation

 
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I would have to concur. Any vehicle for that matter runs WAY better when cool and crisp.

 
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72000? i felt bad for having 16000.. gtf outta here where do u go?

 
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^^^i drive to Edison everyday from brick. which is 45 mins away and is about 80 miles total a day. i go to NYC alot, me and my boy went on vacation last year to Miami, its been to Philly a few times..CTto Mohgen Sun. i think thats about it.