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2nd Generation (2000-2004) Specific discussion of the second generation Toyota Avalon

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Old 11-07-2012, 03:21 PM   #16 (permalink)
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Originally Posted by yougurt90LE View Post
What kind of gains have you noticed? Are they dramatic enough for this project to be worth it?
Well for a fact with the weapon-r intake they're isn't a huge change in sound until well after the ACIS kicks in at 4300 Rpms. The new setup from the gate is hissing its ass off and much louder then before. I had people cover their ears because of it. Midrange is improved and high end is improved by the butt dyno. I've managed to hit 130+ and in quite a hurry.


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Old 11-08-2012, 03:18 AM   #17 (permalink)
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Originally Posted by avalonshoe View Post
You said the video proves that short ram decreases horsepower when it sucks in hot air, that's implying one of two things- it has something to do with the combustion or engine overall cooling (hencing driving with the hood off). I see flaws in the test though. First, they did not run the tests long enough to let the ECU compensate for the a/f mixture. Second, they did not measure the volume/flow of air entering the combustion chamber (they could have had a cheapo filter that was starving the engine of air). Third, did not consider the overall cooling of the engine. The hot air does not affect the combustion but may affect the overcooling of the engine leading to performance degradation. Hot engines just do not run well since the metals start to deform. But in the video, the air temp differentials were nominal so it probably didn't affect anything. Fourth, they did not test engine responsiveness which could be objective/subjective.

Power increases with air intakes are relative to overall performance and gains are exponential. As an extreme example, I doubt you will ever see stock intakes on 500-1000hp modified cars. Gains there are relatively higher and more noticeable. I've noticed a more responsive engines with certain air intakes, but that doesn't always equate to more power.

But I didn't use the word combustion, that's too big of a word for me to use in a way. But I did say driving with the hood off since most performance shops dyno cars with the hood open which makes no sense to me at all while the "MightyCarMod" guys dyno the car with the hood close with the industrial fan blowing toward the car. So which one makes more sense to you while dynoing a car at a performance shop? With the hood open or with the hood close while the industrial fan is blowing? You do drive with the hood close right? I know I do.
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Old 11-08-2012, 04:08 PM   #18 (permalink)
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Well i guess its time for a visual. Here's what i had just a regular Weapon-R intake
Add that + The custom piping, a oiled filter for a little extra sound and you get this:

BIG difference...
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Old 11-08-2012, 08:06 PM   #19 (permalink)
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Damn that sounds real nice, would you mind posting instructions? Or are you gonna go through with your patent haha, I'll be your first buyer
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Old 11-08-2012, 10:47 PM   #20 (permalink)
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Originally Posted by yougurt90LE View Post
Damn that sounds real nice, would you mind posting instructions? Or are you gonna go through with your patent haha, I'll be your first buyer
i mentioned it was custom right? Find a performance shop, and have at it. trust me dont wait. shell out some cash and get one made. Its nice knowing you have something VERY few others have. For shits and giggles I sent weapon-r a nice message stating basically asking where's the rest of this intake at for the twin throttle ES300/Avalon? still no response lol
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Old 11-10-2012, 12:00 AM   #21 (permalink)
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ah gotcha, well how much did yours run you? I might go look for some parts or prices at shops this weekend
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Old 11-11-2012, 01:04 PM   #22 (permalink)
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ah gotcha, well how much did yours run you? I might go look for some parts or prices at shops this weekend
Parts + Labor= $150 More in labor then parts. It was like 40 in parts.
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Old 03-12-2013, 12:52 PM   #23 (permalink)
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Late to the game here but in all honestly the open air cleaners do nothing but add intake sound and lighten your wallet. I have seen it over and over many times on dynos.. I understand you are young and think this is cool(It as when you are young) and back in the day we too did the same thing by flipping over the air cleaner lids on the carbed engines and got the same air intake noise and we all swore the car felt faster.. But it was not. Have fun but don't expect any real gains with it guys
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Old 03-12-2013, 01:38 PM   #24 (permalink)
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Completed my intake.

My 1/4 mile times speak for themselves.


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Old 03-12-2013, 04:40 PM   #25 (permalink)
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well do you have baseline your times first and then do your mods and try again. keep in mind there is a normal tolerance in drag racing depending on air temps and feul you run etc so a tenth or two is a normal tolerance. Trust me.. There is no difference unless you had a tune to change timing an fuel maps. When we going to atco I have some track rentals coming up with my Mustang..
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Old 03-12-2013, 05:34 PM   #26 (permalink)
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Quote:
Originally Posted by avalonshoe View Post
I don't think hot air has anything to do with combustion.
The colder the air the denser it is which = more air volume in = more combustion volume.
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Old 03-12-2013, 05:51 PM   #27 (permalink)
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Originally Posted by flyingn View Post
well do you have baseline your times first and then do your mods and try again. keep in mind there is a normal tolerance in drag racing depending on air temps and feul you run etc so a tenth or two is a normal tolerance. Trust me.. There is no difference unless you had a tune to change timing an fuel maps. When we going to atco I have some track rentals coming up with my Mustang..


Before: Still intake/ Exhaust, and Gas light on = 16.3 @ 87.5
After : 2 Piece intake and same exhaust, half tank of gas = 15.5

i use nothing but 93 octane (Ocasionally E-85 if i'm feeling up to it)

And i'll race another avalon. mustang's are off the table.


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Old 03-12-2013, 05:53 PM   #28 (permalink)
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Old 03-12-2013, 06:05 PM   #29 (permalink)
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nice and all but you ain't picking up .6 and 4 mph with an air cleaner change. Some people know better. 4 mph at your weight is a 25-30 hp jump. And to prove it at Atco we can make back to backs with a change to the air cleaner and Ill prove it,.

Last edited by flyingn; 03-12-2013 at 07:52 PM.
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Old 03-12-2013, 08:27 PM   #30 (permalink)
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Completed my intake.

It's a filter change and a intake resonator delete. This particular intake resonator is in the direct path of airflow. The resonator restricts engine breathing especially in higher RPMs. While the whole setup may not gain much power, the engines output is much better utilized and giving you this result.


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