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Old July 31st, 2014, 07:46 AM   #1
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Got the Accord Dyno'd

I went down to a show and they had a mobile dyno setup so i thought i would give it a shot. I will post up the sheet later when i get home.

3 Runs and i put down 210hp and 186ft/lbs

136k miles

3" Catback custom
4" Intake

So i would consider this pretty much stock. I am getting ready to put on the RV6 Jpipe and PCD's so we will see what it gets before and after on those.

Dyno Run Part 3 at Import Alliance 2014 - YouTube

Dyno Run Part 2 at Import Alliance 2014 - YouTube

Dyno Run Part 1 at Import Alliance 2014 - YouTube
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Old July 31st, 2014, 09:17 AM   #2
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What kind of dyno was it? What kinds of numbers were other cars putting down?
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Old July 31st, 2014, 09:44 AM   #3
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What fuel were you using? Those seem slightly low
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Old July 31st, 2014, 09:51 AM   #4
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Def seems low ^
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Old July 31st, 2014, 10:28 AM   #5
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What kind of dyno was it? What kinds of numbers were other cars putting down?
It was a dynojet i was the second car up there. The one in front of me was a newer generation Lexus SC430? Stock he said with a catback and he put down 225-235 i cant remember exactly what he said but i believe it was closer to 225 as i thought i was pretty close to him.
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Old July 31st, 2014, 10:29 AM   #6
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Seems like dyno dynamics from a banner on the back.

Could be a auto right?
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Old July 31st, 2014, 10:30 AM   #7
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What fuel were you using? Those seem slightly low
Was using normal 87 Octane gas from the midwest which isnt great arguably.

If you use the 20% drivetrain loss you would be at 252 which sounds about right to me. What should it be at?
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Old July 31st, 2014, 10:30 AM   #8
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Seems like dyno dynamics from a banner on the back.

Could be a auto right?
It is a 6 speed And it was a dynojet.
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Old July 31st, 2014, 10:32 AM   #9
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Get a 3.7 intake manifold and tb thats a big restriction
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Old July 31st, 2014, 10:35 AM   #10
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Get a 3.7 intake manifold and tb thats a big restriction
That is the plan soonish, I think getting the PCD's and Jpipe are going to be a huge upgrade.
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Old July 31st, 2014, 10:38 AM   #11
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Tiny pic ur dyno graph. Want to see the shape. I run 87 as well. Haven't had my car dyno yet after my recent mod but I mad 217 with pcd j pipe and stock intake and two broken exhaust rocker on a dyno dynamics
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Old July 31st, 2014, 10:54 AM   #12
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Made 238/212 aem v2 3inch & tsudo catback 2.5....maybe oem computer didn't compensate for your changes yet or car heatsoaked on Dyno
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Old July 31st, 2014, 11:01 AM   #13
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Made 238/212 aem v2 3inch & tsudo catback 2.5....maybe oem computer didn't compensate for your changes yet or car heatsoaked on Dyno
Man i will have to go in again and have another done. These changes have been on the car for 5 months now so the ECU should be fine. Its possible it could have been heatsoaked we went on a 60 mile trip to get to this place and only had the car off an hour before doing the dyno run. And you can tell in the video there are hardly any fans being used lol. Well now i feel like there might be something wrong with my car.
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Old July 31st, 2014, 12:04 PM   #14
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Don't waste your time/money on another dyno. How does the car feel? Have you changed your timing belt? You may have carbon deposits all over your intake manifold robbing you of some power. Your motor does have a lot of miles, but so does mine so that probably isn't it.

These numbers may not actually be low, each dyno is different. Usually Dynojets are pretty accurate from dyno to dyno, but it's not perfect.
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Old July 31st, 2014, 01:15 PM   #15
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^ I went from the dyno I tuned on, to my previous base dyno (Both DynoJets), completely different days, and they were only off by 3whp. Thats pretty damn close.
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Old July 31st, 2014, 01:33 PM   #16
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My first Dyno my car put down 214whp, 188wtq. That was with a crap SRI, J PIPE, and full size MDX spacer. We also drove 45min to get there and it was 100* outside (FL Summer).
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Old July 31st, 2014, 01:56 PM   #17
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My first Dyno my car put down 214whp, 188wtq. That was with a crap SRI, J PIPE, and full size MDX spacer. We also drove 45min to get there and it was 100* outside (FL Summer).
Ok that makes me feel better. The engine burns a little bit of oil (Which is pretty much honda territory) and has a healthy ticking so i know it is going to need a little bit of tuning up front.
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Old July 31st, 2014, 02:00 PM   #18
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Don't waste your time/money on another dyno. How does the car feel? Have you changed your timing belt? You may have carbon deposits all over your intake manifold robbing you of some power. Your motor does have a lot of miles, but so does mine so that probably isn't it.

These numbers may not actually be low, each dyno is different. Usually Dynojets are pretty accurate from dyno to dyno, but it's not perfect.
The car has loads of power. Will constantly light the tires up or pull traction control. The timing belt and water pump are brand new. Did them as soon as i got home from the dealership. Other than burning some oil car is in great shape.

PS I have been lurking your posts for close to a year on the potential of our cars. Thanks for being active .

I figured i would pick up a second j30 or j32 and swap it in when i do my clutch job and rebuild my current one with built heads and a new OEM bottom end.
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Old July 31st, 2014, 02:10 PM   #19
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^ Don't feel bad, I did and it's not worth it. If the car runs good I would leave it at that.
My car doesn't put down the numbers others do. She's not a Dyno queen but runs with a lot of fast cars. My numbers are lower then others but on the street I run with cars that "should" have better Power to Weight.

Example -
Civic EX (High compression pistons, GSR Heads and Spray) 24xWHP = 2500lbs (if that) = 10.41lbs to 1hp
My Accord (Too much crap) 260whp - 3,300 lbs = 12.69lbs to 1hp
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Old July 31st, 2014, 02:24 PM   #20
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^ Don't feel bad, I did and it's not worth it. If the car runs good I would leave it at that.
My car doesn't put down the numbers others do. She's not a Dyno queen but runs with a lot of fast cars. My numbers are lower then others but on the street I run with cars that "should" have better Power to Weight.

Example -
Civic EX (High compression pistons, GSR Heads and Spray) 24xWHP = 2500lbs (if that) = 10.41lbs to 1hp
My Accord (Too much crap) 260whp - 3,300 lbs = 12.69lbs to 1hp
Yeah thats my plan. I would like to be around 260-280whp. I decided i need to actually keep this car for longer than 15 minutes. I am getting rid of the engines and all the accessories for my previous Rx7's and VW's. I cant do any work in the garage yet lol. I Figure when i get enough moved out ill grab the PCD's and Jpipe as i can see the stock jpipe squished with its bends in there. Then move on to the intake and TB and on to the Heads and Clutch kit.
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Old July 31st, 2014, 04:33 PM   #21
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^ I went from the dyno I tuned on, to my previous base dyno (Both DynoJets), completely different days, and they were only off by 3whp. Thats pretty damn close.

As for me I left off untuned @ 263whp Dyno jet, year later on different dyno went for my Dyno tune, first run before any initial tuning 263 on a Dynocrom...I agree with this post
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Old July 31st, 2014, 06:05 PM   #22
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Here is the Dyno Graph

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Old July 31st, 2014, 06:37 PM   #23
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Thats a nice looking curve compared to mine. I peaked 210 tq but it dies off to 150 way steeper due to my broken exhaust roller
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Old July 31st, 2014, 06:40 PM   #24
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Can someone explain the vtec again? So at 4k its the high lift intake and 4.8k is the dual exhaust??
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Old July 31st, 2014, 07:04 PM   #25
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4k the manifold flaps open to make it shorter, 5k VTEC camshaft comes into play
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Old July 31st, 2014, 07:36 PM   #26
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Here is the Dyno Graph

Graph looks good man. Everything looks to be hitting In the right spot. Just see where your mods take you. Try to get the graph in SAE next time, most accurate.
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NA.... Till I Spray
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Old July 31st, 2014, 09:20 PM   #27
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4k the manifold flaps open to make it shorter, 5k VTEC camshaft comes into play
Its crazy too, this is my first real honda, and between vtec and the manifold it feels like a different car when you hit 4k
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Old August 3rd, 2014, 12:59 AM   #28
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question...

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Get a 3.7 intake manifold and tb thats a big restriction
what's the part number for the TB?


I have a tb on my set up and I don't know if it is a zdx or a tl type s TB.
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