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My 3.7 mani, ZDX TB, and pnp runners build thread

 
Old 12-12-2012, 05:46 PM
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You guys are the sh*t! After the MAF sensor swap, my car feels much better! It feels a bit smoother and peppier. I've got to get my car to the dyno again soon!
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Old 12-12-2012, 06:11 PM
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i hope you did the ECU reset and the idle relearn process
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Old 12-12-2012, 06:25 PM
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Actually I did not; should it matter? The ECU should eventually catch up, right?
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Old 12-12-2012, 06:34 PM
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yup it should....but i like to reset the ECU after I do any mods just to start off fresh LOL
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Old 12-12-2012, 06:46 PM
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^Well if it gets better than it is now, I will be in love with my car all over again.
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Old 12-12-2012, 06:47 PM
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I hope it does get better in that case
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Old 12-12-2012, 09:12 PM
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Originally Posted by swoosh View Post
^^^ I used the SHAWD sensor....I just had to dremel the "guidelines"

here is the pic:

Swoosh, I just noticed the silicone coupler is barely on the TB in this pic. It should be right up against the raised stop and clamped there.
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Old 12-12-2012, 09:15 PM
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Originally Posted by t0talacuratl View Post
You guys are the sh*t! After the MAF sensor swap, my car feels much better! It feels a bit smoother and peppier. I've got to get my car to the dyno again soon!
How soon after the install did you dyno? Could be that the ecu hadn't learned the new setup, hence the lower than expected numbers. Still can't hurt to reset the ecu at this point.
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Old 12-13-2012, 07:05 AM
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Originally Posted by anx1300c View Post
How soon after the install did you dyno? Could be that the ecu hadn't learned the new setup, hence the lower than expected numbers. Still can't hurt to reset the ecu at this point.
I drove around for at least a week before I dynoed. I will do the same again.
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Old 12-13-2012, 12:03 PM
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The 07,08. Intake manifold covet fit the 09 intake manifold?
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Old 12-13-2012, 01:13 PM
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^ Yes.
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Old 12-13-2012, 01:20 PM
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Originally Posted by anx1300c View Post
Swoosh, I just noticed the silicone coupler is barely on the TB in this pic. It should be right up against the raised stop and clamped there.
I had to dremel off the silicon to make it fit....fittin a 4" intake was a pain in the butt....

Thank you for noticing and mentioning it.....

I will try to move it further back....
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Old 12-28-2012, 05:08 PM
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My wife graciously got me the IM for christmas. Now I just need a TB and cover plate (and hardware but that's cheap)

Quick question that I didn't notice was addressed - Is there any benefit/disadvantage to just getting the TL's TB? Other than price? There's a few salvage yards that I can get it for about the same price as the ZDX TB. Naturally it's used (one's from a 2009, the other from a 2010) as opposed from purchasing a ZDX new. Thoughts?

And yes, I made sure it's the 3.7 TB not a 3.5. The 3.5's are all over the place. Finding the 3.7 was a bit more work.
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Old 12-28-2012, 06:19 PM
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Originally Posted by Sonnick View Post
I'm gonna try switching the MAP sensor. If that stops the bucking I will be ecstatic. This sympton occurred prior to the manifold/TB installation, so maybe my MAP sensor was bad? I feel like I would've gotten a code though. Or maybe that could be the P0174 code I'm getting on & off?

I_love_cars: Sup bro? How's your setup doing? We're totally hijacking the sh1t out of your thread....
rofl, yeah man I noticed thread is hijacked but as long as it isn't derailed I don't care

I'm actually keeping track of the thread to compile all the information we've stumbled upon and hangups that have been figured out. Soon I'll have the mods update the first post in the thread to contain all the relevant information on this swap
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Old 01-03-2013, 02:17 PM
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I just ordered the zdx manifold and tb let see how it goes. Next hondata.
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Old 01-03-2013, 06:12 PM
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Originally Posted by rubenders View Post
I just ordered the zdx manifold and tb let see how it goes. Next hondata.
nice. Hondata is your best bet after the install of the IM/TB

to be honest I only bought the IM/TB because my performance shop told me months ago that the Hondata was coming soon, so I bought everything banking on that. I obviously couldn't say anything publicly at the time, though.

Because without a tuning solution, the car runs ok with bolt-ons and the 3.7 mani/tb but you'll drive it and know you can get a lot more out of it with a tune, given the number of mods on the car. The tune is going to smooth everything out bigtime.
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Old 01-03-2013, 06:33 PM
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Can't wait to get it . I don't have to go on base for 14 day .i will take my time doing this.
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Old 01-04-2013, 11:44 AM
  #338  
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After reading all the pages I'm not sure if personally I find this mod to be a great value. I'd like to see how much the manifold will benefit from a tune.

Maybe I'll tune the car with regular bolt ons (full exhaust-intake) and slap the 3.7mani and Tb on and tune again to see how much gains the 3.7 parts yield.
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Old 01-04-2013, 12:23 PM
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Originally Posted by brianch View Post
After reading all the pages I'm not sure if personally I find this mod to be a great value. I'd like to see how much the manifold will benefit from a tune.

Maybe I'll tune the car with regular bolt ons (full exhaust-intake) and slap the 3.7mani and Tb on and tune again to see how much gains the 3.7 parts yield.
Granted I had existing bolt-ons, but for 500 bucks to get the IM/TB, I gained 9/6 whp/wtq - that's without the PnP for the intake runners and IM outlets.

For this car, that is a very good $/hp ratio no matter which way you look at it.

That being said, I'd still be interested to see what it tunes at with bolt-ons excluding the 3.7 like you say, and then a new tune after adding the 3.7.
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Old 01-04-2013, 12:26 PM
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^^^ ILC, I think the point which brianch is missing is whether you tune before bolt on or you get a tune after bolt ons, you will end up making the same power....

if you do bolt ons and then tune, you will only have to tune once....if you keep adding bolt ons after a tune, you will have to constantly tune your car....
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Old 01-04-2013, 02:02 PM
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Ported runners would definitely help these gains as would port matching the lower ports on the manifold. I gained 15whp on my 3.0L, and the only reason ILC didn't gain more than I did is because the TL-s intake manifold is also magnesium and better flowing than the Base. It's the midpoint between the Base and 3.7. On a Base TL, the gains would be more like what I saw. I gained 2mph in the 1/4 after the IM/TB/runners so it's definitely worth it, even untuned. Don't get it twisted

Last edited by Sonnick; 01-04-2013 at 02:06 PM.
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Old 01-04-2013, 02:07 PM
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^^^ I for one would love to know how much you gained from being kinda stock (without ported and polished runners or SHAWD Manifold/TB and 4" intake) to now...
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Old 01-04-2013, 02:41 PM
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Originally Posted by swoosh View Post
^^^ ILC, I think the point which brianch is missing is whether you tune before bolt on or you get a tune after bolt ons, you will end up making the same power....

if you do bolt ons and then tune, you will only have to tune once....if you keep adding bolt ons after a tune, you will have to constantly tune your car....
I was only saying I'd tune after bolt ons and tune after 3.7 to see what gains you get from the 3.7 mods WITH a tune.

I understand that logically it makes more sense to install all of this stuff before the tune..

I'm just personally seeing if it's worth it to get into the 3.7 mani and TB.

Everyone knows PCDs and JPipes as well as the exhaust helps in unleashing a good amount of power over stock form. A tune will unleash even more power out of the mods as well as the stock motor.

If the 3.7 Intake Manifold and TB yields under 10whp after a tune including the modification itself, I think I'm going to pass.

Just a personal decision in value.

I know it's likely worthwhile for many others
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Old 01-04-2013, 03:38 PM
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^ No offense bud, but if you feel that way about mods that make 10whp, then you might as well stay stock. Most of our mods gain ~10whp by themselves and when combined, even less. For example, I gained 14whp from a better Jpipe & merge collector, UR Pulley, & upgrade from 2.5 to 3" catback. Those were solid gains, but they came with $$. Same goes for the 3.7 IM/TB/runners setup.

On these cars, when you can get 10whp, you take it. And honestly, the fact that these cars keep making power all motor WITHOUT a tune is very impressive. I have full bolt ons and am still making great power with each mod I do. It's not easy to continue to make power without a tune on most vehicles. And trust me when I say that once tuned, these cars are going to make a splash; guaranteed.
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Old 01-04-2013, 03:42 PM
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Originally Posted by swoosh View Post
^^^ I for one would love to know how much you gained from being kinda stock (without ported and polished runners or SHAWD Manifold/TB and 4" intake) to now...
So would I lol. I want to see a stock J30a5 (06-07) 6 speed Accord hop on the same dyno that I did. Even one with I/E. The only graph I have that shows the largest difference in power is from before the 3.7 setup and 4" CAI to after. I gained 17whp/13wtq peak with 15-20+whp everywhere in the powerband. That graph is in my J30a5 dyno thread.
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Old 01-04-2013, 09:21 PM
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No offence taken! This is a worthwhile mod. All the +5s and +10s add up. I just personally decided to just stick with the exhaust + Flashpro.

I think with a tune this modification will make a real impact.
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Old 01-04-2013, 10:40 PM
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^^^ the exhaust or any exhaust wont gain you more than 3-4hp...and usually exhaust go for $1200....how is that worthwile?

The jpipe gains ~8-10whp and goes for $450-ish....

PCD's are practically the only mod which gain 15+whp and cost less than $500....but they come with rasp

again, its your dime and I could care less where you spend it....just remember, intake side you make power....exhaust side you free power
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Old 01-04-2013, 11:08 PM
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Originally Posted by Sonnick View Post
So would I lol. I want to see a stock J30a5 (06-07) 6 speed Accord hop on the same dyno that I did. Even one with I/E. The only graph I have that shows the largest difference in power is from before the 3.7 setup and 4" CAI to after. I gained 17whp/13wtq peak with 15-20+whp everywhere in the powerband. That graph is in my J30a5 dyno thread.
Go and find a car for sale with the same mileage and "test drive" it.


I haven't bought any mods for my car yet because I'm still doing my research. Do you guys know if I upgraded the manifold would I have to get a different TBS (P2R kit) and CAI (AEMv2) than the one that fits the stock 3.5 manifold? Are there ones that fit better on the 3.7 vs the 3.5?
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Old 01-05-2013, 12:07 AM
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Originally Posted by swoosh View Post
^^^ the exhaust or any exhaust wont gain you more than 3-4hp...and usually exhaust go for $1200....how is that worthwile?

The jpipe gains ~8-10whp and goes for $450-ish....

PCD's are practically the only mod which gain 15+whp and cost less than $500....but they come with rasp

again, its your dime and I could care less where you spend it....just remember, intake side you make power....exhaust side you free power
It all depends really. My Excelerate resonated cat back showed 7 whp on a 5AT, and I know some people saw close to 10 with the Greddy and even the ATLP. A lot has to do with what mods are already on the car, combinations etc. I think the J pipe design impacts the rest of the exhaust gains (both fore and aft) to some degree as well. I don't think most people buy a cat back expecting huge gains, but mostly for the sound.

Originally Posted by NavS View Post
Go and find a car for sale with the same mileage and "test drive" it.


I haven't bought any mods for my car yet because I'm still doing my research. Do you guys know if I upgraded the manifold would I have to get a different TBS (P2R kit) and CAI (AEMv2) than the one that fits the stock 3.5 manifold? Are there ones that fit better on the 3.7 vs the 3.5?
That's actually a good idea. Sonnick, you could find a 7G 6-6 for sale, test drive it and sneak it on the dyno you use!
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Old 01-05-2013, 12:56 AM
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Finding a 6-6 would be hard enough lol. Doubt the tester would let me do that.
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Old 01-09-2013, 12:30 PM
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Just got the 3.7 intake manifold and tb on the mail today. Letting the car cold down to install it.
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Old 01-09-2013, 08:32 PM
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3.7 intake manifold and tb installed.

Now time for a dyno
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Old 01-09-2013, 08:44 PM
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Old 01-09-2013, 08:47 PM
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I have videos I am trying to figure out how to upload it.
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Old 01-09-2013, 08:48 PM
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Old 01-09-2013, 09:03 PM
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Old 01-09-2013, 09:43 PM
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what software is that....and how did you connect it??? damn !!!
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