Jonesn - My Dyno Information Thread (Lots of Graphs)
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Jonesn - My Dyno Information Thread (Lots of Graphs)

This is a discussion on Jonesn - My Dyno Information Thread (Lots of Graphs) within the Grom Performance forums, part of the Honda Grom Garage category; My name is Cameron Jones and I'm out of Columbia Missouri. Last fall I acquired a Dynojet 200 from another dealer. I have since done ...

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Thread: Jonesn - My Dyno Information Thread (Lots of Graphs)

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    Jonesn - My Dyno Information Thread (Lots of Graphs)

    My name is Cameron Jones and I'm out of Columbia Missouri. Last fall I acquired a Dynojet 200 from another dealer. I have since done quite a few different variations with the groms and because there isn't a ton of dyno information out there I'd like to share mine. Quick background involves 9 years as a parts guy for Kawasaki, KTM, Ducati, Polaris, Victory, and Slingshot. I am currently 2 years in at Jones Honda as of 2-1-17. Started riding the groms at the end of 2015 and have been hooked since. I do have quite a bit of knowledge but I am in no way a "Professional Tuner" or certified mechanic so I will answer questions best I can or try and find the correct answer. I work side by side with two 30 year race mechanics that have a wealth of knowledge and have taught me a lot over the years.

    I do all the dyno work in my free time for fun because I love to toy with this stuff so be a little patient with responses and updates. Each dyno run I let the bike idle up to operating temp, I then run it through the gears a few times varying the RPM in the low, mid, and top end. Helps the ECU learn as well as warm up the dyno. I then make 3 runs, sometimes 4 on occasion. Usually within those 3-4 runs at the end they are within .05 to .1hp

    I apologize as I do not have a lot of data on AFR (yet), I do not have an afr sniffer for this dyno. The only way I can monitor AFR is via an O2 bung which I just recently installed on my personal grom. I also do not have tuning capabilities yet as this dyno does not have an eddy brake system. It's pretty pricey from dynojet to update the electronics and hardware to add both parts so that will be quite a ways down the road or a new dyno all together.

    Keep in mind, dyno numbers vary per weather conditions, bike, fuel, altitude, tire pressure, location of the wheel on the drum, etc. This dyno has been very consistent, although it seems to read a touch high compared to others on lower hp applications such as the grom, it is still a great tool to show comparison.
    Our dyno - Dynojet 200 on winpep 7, Altitude 860ft.


    I'll edit this when I have more free time, but I want to at least get the ball rolling on this thread. I'm still learning how to export the graphs, so when I figure out how to add the weather details and mods I'll post those up as well.

    This bike is our new shop bike that'll turn into a dyno queen so a lot of the data for it I'll leave on the main post. The rest I'll add in the second post.

    2017 Honda Grom, 0 miles bone stock
    2017 Honda Grom, 7 miles full Yoshimura RS2
    2017 Honda Grom, 10 miles, Yoshimura RS2 with intake mod and airbox lid removed (I understand this is very lean, our race organization will only be allowing intake and exhaust modification with no fuel controller so I will be doing a lot of testing that will leave the bike very lean.) If it pops, it pops. I love rebuilding these
    Jonesn - My Dyno Information Thread (Lots of Graphs)-dynosave-stock-2017-rs2-intake-mod.jpg

    Coming soon, big bore data, bigger 34mm throttle body, big valve head + high comp piston, exhaust comparison, intake comparison and other misc runs.


    Shortcuts! -
    #2 - 2015, before and after finbro, before and after filter#2 - 2017 Koso Cam, add finbro, add koso filter, remove lid
    #2 - Couple others


    https://www.hondagrom.net/forums/13-...%20#post291449


    #5 Break-in before and after, +intake mod
    https://www.hondagrom.net/forums/13-...%20#post291481


    #18 Stock intake vs koso intake
    https://www.hondagrom.net/forums/13-...%20#post291929


    #22 Stock vs yosh rs2/intake mod no lid vs adding a power commander v
    https://www.hondagrom.net/forums/13-...%20#post297273


    #23 Koso 170 kit stock head vs 26/22 head
    https://www.hondagrom.net/forums/13-...%20#post297273


    #32 Yoshimura RS2 vs Zoom Loop
    https://www.hondagrom.net/forums/13-...%20#post342473


    #34 Koso 170 vs Stock bore build
    Stock grom vs stock bore build
    https://www.hondagrom.net/forums/13-...%20#post342489


    #42 Intake mod vs cr racing intake vs dinger build
    https://www.hondagrom.net/forums/13-...%20#post354953


    #72 A lot of stock airbox/koso filter testing
    https://www.hondagrom.net/forums/13-...%20#post373458


    #73 Intake Shootout mtake,chimera,drow, dingerbuilt + power commander + baffle test
    https://www.hondagrom.net/forums/13-...%20#post373466


    #74 Port matched head vs non port matched head on koso tb
    Stock tb vs koso tv
    https://www.hondagrom.net/forums/13-...%20#post373474


    #117 Yoshimura Camshaft vs KOSO camshaft
    https://www.hondagrom.net/forums/13-...%20#post386353


    #118 Yoshimura cam vs koso cam vs stock cam
    https://www.hondagrom.net/forums/13-...%20#post386361

    #179 AR Exhaust vs Yoshimura RS2 + ecu reset
    https://www.hondagrom.net/forums/13-...tml#post442684

    # E85 on a finbro ecu before and after 93oct
    https://www.hondagrom.net/forums/13-...tml#post443908
    Last edited by jonesn; 05-30-2019 at 08:46 AM.
    2015 Honda Grom (Stunt) and 2017 Honda Grom (Race)
    IG: Cameronjones239 for the most current updates.
    Dyno thread: https://www.hondagrom.net/forums/13-g...ts-graphs.html
    Build thread: https://www.hondagrom.net/forums/27-g...ace-build.html
    Dyno's and Video Logs coming soon so leave me a comment and subscribe! - https://www.youtube.com/channel/UCY0...Lxhacvn2wE2JoA

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    Updated 2-17-2017
    When I update these pages I'll put a date at the top of the post so it's easier to see when you check back.

    Here's a couple in the meantime, I didn't get as much learning time with the finbro ECU on these as I did some others. So I'd imagine if they brought them back now I'd see a touch higher/cleaner. Typically after about 50-100 miles I see a consistent tune.

    1. 2015 Honda Grom 3862miles 87oct (EJ)
    Blue - intake mod and yoshi high mount exhaust
    Red- added Finbro ECU and injector
    Green- After finbro ecu I added the KOSO intake with thick foam. (Does some offroading)
    Not shown, I'll have in another graph is the gain you get while removing the airbox. Typically a .5hp gain has been standard with the finbro ecu.
    Jonesn - My Dyno Information Thread (Lots of Graphs)-ej-s-grom-exhaust-intake-mod-finbro-ecu-injector-finbro-koso-filter.jpg
    2. 2017 Honda Grom 215 miles 91oct (Josh)
    Blue - KOSO Camshaft, DG v2 exhaust, stock everything else
    Red - added Finbro ECU + pcx injector
    Purple - Same as above + KOSO intake with thicker foam
    Green - Same as above + intake lid removed
    Jonesn - My Dyno Information Thread (Lots of Graphs)-josh-grom-stock-w-cam-finbro-finbro-koso.jpg
    3. 2015 Honda Grom 1100 miles (Kyle) (assuming 91oct, typically what he runs but didn't ask)
    This bike I did a lot of testing with the intake. All the variations below. If you want a comparison of anything listed below just ask, I'll send it over.
    -DG V2 low mount exhaust
    -" Exhaust + airbox lid removed
    -" Exhaust + intake mod with lid on
    -" Exhaust + intake mod with lid off
    -" Exhaust + intake mod and koso filter (thin) lid on
    -" Exhaust + intake mod and koso filter (thin) lid off
    -" Exhaust + intake mod and koso filter (thick) lid off
    -" Exhaust + intake mod and koso filter (thick) lid on + finbro ECU
    -" Exhaust + intake mod and koso filter (thick) lid off + finbro ECU
    -" Exhaust + intake mod and koso filter (thick) lid on + finbro ECU + KOSO camshaft
    Here is a before and after of when it came in with just the exhaust, and when it left with the newly added koso filter, finbro ecu, koso camshaft, pcx injector and intake mod.
    Jonesn - My Dyno Information Thread (Lots of Graphs)-kyle-s-before-after.jpg
    4. 2015 Honda Grom (Marcus) 4252 miles, 91oct
    This bike I originally installed a KOSO 170 big bore on, we decided against that route and wanted to try and get the most out of the stock bore with a high revving setup.
    Red - DG V2 Exhaust, stock intake, KOSO camshaft (reason it's "wavy" was due to a chain with tight spots) realistically without the spikes was around 11.4hp. No fuel controller
    Blue - Same + finbro ecu, PCX150 injector, and a fresh chain
    Green - Same + finbro flat top piston with 50 miles
    Dark blue - Same + finbro oversized valve head (26mm)
    Jonesn - My Dyno Information Thread (Lots of Graphs)-marcus-grom.jpg
    I had to pull the graph from my dyno computer, seems they get odd when I transfer the data on winpep.
    Anyways,

    Jonesn - My Dyno Information Thread (Lots of Graphs)-beforeafterkoso34mmonmarcusgrom.jpg
    Red and blue - same as above, flat top piston then adding the big valve head.
    Green is adding the koso 34mm tb, 30.5mm intake manifold, koso bigger connecting tubes and koso intake with the lid on
    maroon - is with the lid off
    tq dip is mostly caused by the ECU, afr soon after he gets some miles on the bike and lets that ECU learn.
    Last edited by jonesn; 02-25-2017 at 10:48 AM.

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    I'd be curious to see if those numbers improve with nothing more than mileage.
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    Can you change the injector for your class? You could always ground the O2 wire, putting the ecu in fixed mapping, and run a larger injector to get more fuel.

    What about a carb? Id call that part of the intake, so it'd be allowed.

    The nice thing about a very restrictive class like that is that it keeps it cheap for everyone, but it can force you to buy really expensive things for very little advantage, ie CF rims. (or is intake and exhaust the /only/ things allowed?)

    oo. another idea! use an efie with the TPS to make it think its at a higher throttle position than it actually is. That'd mean more fuel! But, it could def screw with timing curves and wouldn't gain you anything near WOT.
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    Old Goat Ninja ask and you may receive!
    Last fall I dyno'd my buddy Scott's grom. This is with the 1000 mile bone stock update he hit last week. While he was in I also gave it a before and after intake mod run. Jonesn - My Dyno Information Thread (Lots of Graphs)-broken-graph.jpg
    2015 Honda Grom (Stunt) and 2017 Honda Grom (Race)
    IG: Cameronjones239 for the most current updates.
    Dyno thread: https://www.hondagrom.net/forums/13-g...ts-graphs.html
    Build thread: https://www.hondagrom.net/forums/27-g...ace-build.html
    Dyno's and Video Logs coming soon so leave me a comment and subscribe! - https://www.youtube.com/channel/UCY0...Lxhacvn2wE2JoA

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    Quote Originally Posted by turpinator View Post
    Can you change the injector for your class? You could always ground the O2 wire, putting the ecu in fixed mapping, and run a larger injector to get more fuel.

    What about a carb? Id call that part of the intake, so it'd be allowed.

    The nice thing about a very restrictive class like that is that it keeps it cheap for everyone, but it can force you to buy really expensive things for very little advantage, ie CF rims. (or is intake and exhaust the /only/ things allowed?)

    oo. another idea! use an efie with the TPS to make it think its at a higher throttle position than it actually is. That'd mean more fuel! But, it could def screw with timing curves and wouldn't gain you anything near WOT.
    Unfortunately we cannot touch the motor/manifold/tb at all. We may flip the throttle body and add a pod is about as far as I can take it. I did consider the EFIE route, even considered finding a way to remove the stock limiter with a similar harness. In the end my buddy Adam convinced me if ones too fast it takes away the fun. This is the first year our organization has allowed grom racing so we don't want to ruin it right off the bat. MCRA for anyone interested! 3 grom races this year split up at hallett (Oklahoma) and gateway (STL MO)
    2015 Honda Grom (Stunt) and 2017 Honda Grom (Race)
    IG: Cameronjones239 for the most current updates.
    Dyno thread: https://www.hondagrom.net/forums/13-g...ts-graphs.html
    Build thread: https://www.hondagrom.net/forums/27-g...ace-build.html
    Dyno's and Video Logs coming soon so leave me a comment and subscribe! - https://www.youtube.com/channel/UCY0...Lxhacvn2wE2JoA

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    Well that's a bummer. Yeah, you could probably get some circuitry that feeds in a frequency and if that frequency is over a certain point, it sends out a constant one so the ECU thinks its still under 9200, but then youll run into fueling issues. Without a fuel controller (or pcv/whatever type piggyback), you could do it, its just a lot of work.
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    moar charts!

    It might be a good idea to post all of these somewhere on like photobucket account or google docs folder, a bit easier to scroll through rather than clicking on each to view.
    And then too... you could post the raw data, so if anyone wants to chart it in different software/pull numbers from it, they can.

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    Quote Originally Posted by turpinator View Post
    moar charts!

    It might be a good idea to post all of these somewhere on like photobucket account or google docs folder, a bit easier to scroll through rather than clicking on each to view.
    And then too... you could post the raw data, so if anyone wants to chart it in different software/pull numbers from it, they can.
    How are you browsing right now? I don't have to click anything to see them from my computer. I just checked from my phone too (using the app) and I don't have to click on there either.
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    Quote Originally Posted by turpinator View Post
    moar charts!

    It might be a good idea to post all of these somewhere on like photobucket account or google docs folder, a bit easier to scroll through rather than clicking on each to view.
    And then too... you could post the raw data, so if anyone wants to chart it in different software/pull numbers from it, they can.
    They're coming I'm a bit dumb when it comes to picture attachments. I'll do some research on that when I get some free time. I'm actually considering attaching my DRF. files into this thread along with directions on how to install winpep7 and set the settings up correctly. Then you guys could mix and match all the graphs you'd like.
    2015 Honda Grom (Stunt) and 2017 Honda Grom (Race)
    IG: Cameronjones239 for the most current updates.
    Dyno thread: https://www.hondagrom.net/forums/13-g...ts-graphs.html
    Build thread: https://www.hondagrom.net/forums/27-g...ace-build.html
    Dyno's and Video Logs coming soon so leave me a comment and subscribe! - https://www.youtube.com/channel/UCY0...Lxhacvn2wE2JoA

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