2016 RDX engine

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Old Oct 27, 2015 | 08:31 AM
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2016 RDX engine

Does the 2016 use the same engine as the latest V6 Honda Accord. Wanted to order a short ram intake for a 2013+ Accord to install in the RDX
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Old Oct 27, 2015 | 09:27 AM
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Same engine. Same horsepower. Same torque. Different fuel (premium for RDX).
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Old Oct 27, 2015 | 03:26 PM
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Originally Posted by snorf
Same engine. Same horsepower. Same torque. Different fuel (premium for RDX).

Will be trying this out, I know most people can care less about performance on a family suv but will keep you posted
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Old Oct 27, 2015 | 08:11 PM
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Originally Posted by Tom0613
Will be trying this out, I know most people can care less about performance on a family suv but will keep you posted
Which one are you looking at? Any proven performance boost?
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Old Oct 27, 2015 | 08:18 PM
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Worth a shot. Mounting point may be different as well as the bends. Keep us posted.
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Old Oct 28, 2015 | 05:00 AM
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I've been hot rodding cars for a long time.... the easiest and most efficient way to boost one of these 3.0L 4V engines is a turbo or two.

I'd suggest running a high quality full synthetic and slightly more viscous oil (5-30). Run a one step colder plug and reduce the gap by 0.005"/0.127mm. You'll need to step up the fuel injector size and maybe add a higher flow pump. Or maybe the ken bell boost-a-pump.

I'm not sure how much the stock tranny can take in one of these but HPD could probably advise you on what to do for the power level you want to run.

Now most likely you just want a small boost... in that case you could probably get away with all stock parts if you kept the boost down under 8psi. IMO for an everyday street car.. I'd go small on the turbo and focus on bottom end torque. You'd enjoy it much more than a larger turbo that you have to rev pretty high to really get into the boost.
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Old Oct 28, 2015 | 09:01 AM
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I don't see anyone running a turbo on the 2nd gen RDX. A lot of people upgraded their 1st gen RDX since it came factory with the turbo. I prefer the 3.5L V6 > 2.4L Turbo. Not anywhere near the same aftermarket options though.
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Old Oct 28, 2015 | 11:48 AM
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Originally Posted by yesrdx
Which one are you looking at? Any proven performance boost?
I am on some other forum try to get a used short ram and will be putting a AEM DRY flow filter, as for performance they claim about 8-10 whp on accords so I'm assuming I should see similar result. I wish someone just maid one for the 2nd gen RDX
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Old Oct 28, 2015 | 12:05 PM
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It seems Acura ties up some HP in the exhaust systems (primary/secondary cats, j-pipes, headers) and a little bit with intake/throttle bodies. I'm down about 20-30hp on my 08 RDX because of the restriction on the 1st OEM cat after the turbo. Acura is getting 310 HP from the 3.5L RLX engine. There might be just an in/out breathing issue to bump the RDX to MDX or even RLX numbers?
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Old Oct 28, 2015 | 12:09 PM
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Originally Posted by mrgold35
It seems Acura ties up some HP in the exhaust systems (primary/secondary cats, j-pipes, headers) and a little bit with intake/throttle bodies. I'm down about 20-30hp on my 08 RDX because of the restriction on the 1st OEM cat after the turbo. Acura is getting 310 HP from the 3.5L RLX engine. There might be just an in/out breathing issue to bump the RDX to MDX or even RLX numbers?
I'm pretty sure another reason is that the RDX doesn't have direct-injection unlike the MDX, RLX, TLX & even the new Accord.
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Old Oct 28, 2015 | 03:44 PM
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Originally Posted by mtiaz
I'm pretty sure another reason is that the RDX doesn't have direct-injection unlike the MDX, RLX, TLX & even the new Accord.
I thought the current accord has the same engine as ours which is not direct injection, I'm trying to negotiate a used short ram intake from a 2014 accord touring model.
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Old Oct 28, 2015 | 05:13 PM
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Originally Posted by Tom0613
I thought the current accord has the same engine as ours which is not direct injection, I'm trying to negotiate a used short ram intake from a 2014 accord touring model.
Yup the J35 & K24 in the new Accords both have DI. I have a feeling that's what the part of the Earth Dreams engines Honda is starting to put out
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Old Oct 28, 2015 | 05:40 PM
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Originally Posted by mtiaz
Yup the J35 & K24 in the new Accords both have DI. I have a feeling that's what the part of the Earth Dreams engines Honda is starting to put out
On honda website it only shows the 4 cylinder which I believe is not a k-series any more as the only direct injection. V6 is still multi port
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Old Oct 29, 2015 | 07:47 AM
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Any warranty issues re: this mod?
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Old Oct 30, 2015 | 02:49 PM
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Originally Posted by 5 Acuras
Any warranty issues re: this mod?
they would have to prove that it causes engine damage if u had a failure. I am still looking for a used one trying not to spend 275-300 on something that might not fit. I got out bid on the accord forums for a used one.
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Old Oct 30, 2015 | 03:48 PM
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Originally Posted by 5 Acuras
Any warranty issues re: this mod?
Of course. You can kiss that portion of your warranty bye bye - they might actually make a good case for voiding your entire warranty.

Originally Posted by Tom0613
they would have to prove that it causes engine damage if u had a failure. I am still looking for a used one trying not to spend 275-300 on something that might not fit. I got out bid on the accord forums for a used one.
Horsemanure.

Look here and here.
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Old Oct 31, 2015 | 08:53 AM
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Originally Posted by Tom0613
they would have to prove that it causes engine damage if u had a failure. I am still looking for a used one trying not to spend 275-300 on something that might not fit. I got out bid on the accord forums for a used one.
it does not void your warranty, they need proof it was the cause. I had a rsx back in 2004 with Intake, and catback exhaust my third gear was shot by the time i hit 27000 and it was covered by warranty.

Letter from K&N CEO - Automotive Dealers Voiding a Warranty due to a K&N Replacement Filter
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Old Oct 31, 2015 | 09:20 AM
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now if u had a cold air that sucked up water and hydro locked the motor i can see the car manufacture denying your warranty, but for a short ram with a quality no way. Some car manufacture offer intakes and exhaust system as options.
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Old Jun 2, 2016 | 10:55 PM
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Any luck on that short ram intake? I've been looking for one myself. I wonder if the K&N Typhoon one for the 2013 RDX would fit ours?

There's not much out there unfortunately =(

Tom, please keep us posted if the one you were looking at for the Accords fits. I'd be very interested in this. Thanks!
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Old Jun 3, 2016 | 08:59 AM
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why would one want a short ram intake anyway??

the J-series engine, which is found in the 2016 RDX is known to be heat soaked. substituting the superb factory engineered intake for a short ram intake will suck up ALL the hot air from the engine.
why spend money to reverse engineer what the honda team did?
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