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Thread: DK Customs Discrete Air Cleaner System - 636V

  1. #1
    450+ Posts geezerglide11441's Avatar
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    Default DK Customs Discrete Air Cleaner System - 636V

    As anyone can see from my signature, I have a pretty well modified Trike Motor and would like to share my experience with installing the DK Custom Products Air Cleaner System - 636V.

    My existing A/C was the HD SE Heavy Breather system, I chose this system not only because I thought it would provide the best air flow, but also because it was all chrome and "pretty"!! Recently I had been considering modifying the system to eliminate the oily air vapor from going back into the TB. I had a 2008 Ultra with a 120r crate motor that I modified the backing plate to eliminate the oily air vapor from the TB via a catch can mounted on the left side down tube, and I liked the system a lot. However, when I traded my Ultra in for the Trike I did not take the system with me and thought "what the hell" all the Harley's running around had the crankcase vent to the TB so for 3 yrs I left the OEM system alone. While planning our trip to Cedar City exactly a month ago, I pulled my breather off and observed a fair amount of oil laying in my TB, well that P****d me off and at that point I decided to do something about venting my crankcase breather system to atmosphere.

    I spoke with Kevin several times to discuss how we could possibly pull this off and retain my "pretty" HD Heavy Breather system and realized that this would take an extreme effort on my part with some drilling/tapping/plugging of the backing plate so I decided to opt for the DK Customs 636v system with the discrete breather catch can. While discussing with Kevin, he mentioned they had experienced a little better performance out of the 636v system than the HD Heavy Breather. At that point I advised Kevin that I was not looking for any "increase in performance" as the 120 had all that I thought the Trike could handle. I was also skeptical that the 636v would out perform the HD Heavy Breather system.

    After receiving and installing the 636v A/C system, I decided to do a couple of Target Tune (TT) Auto Tune (AT) runs to see if there was in fact any difference. What I discovered was with the 636v A/C it changed my VE's to a point that I had some that exceeded the limit of 127.5 so I scaled the first time (as advised by both DJ and Jamie at Fuel Moto) and ran another tune to stack on top of the last one. The next tune brought my VE's very near perfect (for the AT system) and it is running better than it ever has - i.e smoother idle, extremely smooth cruise and on the acceleration it is too hard to say from the butt dyno.

    I am thinking that the fact that the motor is now getting clean/cooler air is one factor in running better, but also the 636v system intake elbow is about 3/8" smaller in diameter than the HD Heavy Breather and the increase in velocity my also be a contributing factor. But I am extremely happy with the overall performance of the DK 636v A/C system and would recommend to anyone interested in venting their crankcase breather system to atmosphere that they contact Kevin or Devin at DK Custom Products and discuss the possible systems they have available for your specific application.

    Take care, ride safe!!

    Roger
    Last edited by geezerglide11441; 07-05-2016 at 08:05 PM. Reason: structure
    2013 TriGlide w/120st motor/PV w/TT Module/SE Roller Rockers/Smith Adj Push Rods/T-Man 577 cams/V&V Valve Springs/Wards Fans/SE Heavy Breather/High Capacity Oil Pan/Fuel Moto Power Duals/Kuryakn Slip-ons/2014 SE Compensator/2014 SE Clutch Assembly w/AIM VP024 Clutch Kit/Pro-Action Shocks/PS Mono-Tube fork assembly/Pntd Inner Faring/H-D Road Zeppelin Seat/Chrome Rear Bumper/Air Wing Luggage Rack/Garmin Road Tech Zumo 660/DK Customs Lift kit & Tour Pack leveling kit and Oil filter relocation kit.

  2. #2
    5000+ Posts desertclassic's Avatar
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    Thanks for that review. I have been thinking about doing the same, just sitting on the fence. Now that you have provided first hand knowledge, I am going to go with the DK system. Thanks Jim
    US Army Retired, Command Sergeant Major

    No longer riding, memories, memories

  3. #3
    450+ Posts geezerglide11441's Avatar
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    Quote Originally Posted by desertclassic View Post
    Thanks for that review. I have been thinking about doing the same, just sitting on the fence. Now that you have provided first hand knowledge, I am going to go with the DK system. Thanks Jim
    Jim, you will not regret it, and your motor will appreciate it as well!!

    Roger
    2013 TriGlide w/120st motor/PV w/TT Module/SE Roller Rockers/Smith Adj Push Rods/T-Man 577 cams/V&V Valve Springs/Wards Fans/SE Heavy Breather/High Capacity Oil Pan/Fuel Moto Power Duals/Kuryakn Slip-ons/2014 SE Compensator/2014 SE Clutch Assembly w/AIM VP024 Clutch Kit/Pro-Action Shocks/PS Mono-Tube fork assembly/Pntd Inner Faring/H-D Road Zeppelin Seat/Chrome Rear Bumper/Air Wing Luggage Rack/Garmin Road Tech Zumo 660/DK Customs Lift kit & Tour Pack leveling kit and Oil filter relocation kit.

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    2500+ Posts trikermutha's Avatar
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    Pics??

  5. #5
    450+ Posts geezerglide11441's Avatar
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    Quote Originally Posted by trikermutha View Post
    Pics??
    I tried to attach a photo of the finished product last night and couldn't figure out how to accomplish the task!! Have only done one other time and quite frankly forgot how!! Will try again today sometime!!

    Roger
    2013 TriGlide w/120st motor/PV w/TT Module/SE Roller Rockers/Smith Adj Push Rods/T-Man 577 cams/V&V Valve Springs/Wards Fans/SE Heavy Breather/High Capacity Oil Pan/Fuel Moto Power Duals/Kuryakn Slip-ons/2014 SE Compensator/2014 SE Clutch Assembly w/AIM VP024 Clutch Kit/Pro-Action Shocks/PS Mono-Tube fork assembly/Pntd Inner Faring/H-D Road Zeppelin Seat/Chrome Rear Bumper/Air Wing Luggage Rack/Garmin Road Tech Zumo 660/DK Customs Lift kit & Tour Pack leveling kit and Oil filter relocation kit.

  6. DKCustoms postbit
  7. #6
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    450+ Posts geezerglide11441's Avatar
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    Quote Originally Posted by trikermutha View Post
    Pics??
    Click image for larger version. 

Name:	IMG_0420.JPG 
Views:	350 
Size:	666.9 KB 
ID:	37412
    2013 TriGlide w/120st motor/PV w/TT Module/SE Roller Rockers/Smith Adj Push Rods/T-Man 577 cams/V&V Valve Springs/Wards Fans/SE Heavy Breather/High Capacity Oil Pan/Fuel Moto Power Duals/Kuryakn Slip-ons/2014 SE Compensator/2014 SE Clutch Assembly w/AIM VP024 Clutch Kit/Pro-Action Shocks/PS Mono-Tube fork assembly/Pntd Inner Faring/H-D Road Zeppelin Seat/Chrome Rear Bumper/Air Wing Luggage Rack/Garmin Road Tech Zumo 660/DK Customs Lift kit & Tour Pack leveling kit and Oil filter relocation kit.

  9. #8
    2500+ Posts trikermutha's Avatar
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    Quote Originally Posted by geezerglide11441 View Post
    Click image for larger version. 

Name:	IMG_0420.JPG 
Views:	350 
Size:	666.9 KB 
ID:	37412

    I had one years ago that went into a canister and could be drained if needed..Similar to your setup..

  10. #9
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    Quote Originally Posted by trikermutha View Post
    I had one years ago that went into a canister and could be drained if needed..Similar to your setup..
    My main concern was the carbon build-up and the actual amount of oily air that was traveling back through the TB. However I was relatively surprised with the improved performance (substantiated via the TT/AT) and the smoother running motor!!

    Take care, and ride safe!!

    Roger
    2013 TriGlide w/120st motor/PV w/TT Module/SE Roller Rockers/Smith Adj Push Rods/T-Man 577 cams/V&V Valve Springs/Wards Fans/SE Heavy Breather/High Capacity Oil Pan/Fuel Moto Power Duals/Kuryakn Slip-ons/2014 SE Compensator/2014 SE Clutch Assembly w/AIM VP024 Clutch Kit/Pro-Action Shocks/PS Mono-Tube fork assembly/Pntd Inner Faring/H-D Road Zeppelin Seat/Chrome Rear Bumper/Air Wing Luggage Rack/Garmin Road Tech Zumo 660/DK Customs Lift kit & Tour Pack leveling kit and Oil filter relocation kit.

  11. #10
    2500+ Posts trikermutha's Avatar
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    Quote Originally Posted by geezerglide11441 View Post
    My main concern was the carbon build-up and the actual amount of oily air that was traveling back through the TB. However I was relatively surprised with the improved performance (substantiated via the TT/AT) and the smoother running motor!!

    Take care, and ride safe!!

    Roger
    I know that hot oily air going back to the engine doesn't help for performance..


    However You may see more oil now around the area of your pushrods/engine case

    Looks good

  12. #11
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    Do It Right

    The First Time!

    Outlaw 636v Performance Intake


    www.DKCustom.com
    Call: 662-252-8828 Text: 662-420-4891
    Email: Support@DKCustomProducts.com


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    Default Tune or no tune

    Quote Originally Posted by geezerglide11441 View Post
    As anyone can see from my signature, I have a pretty well modified Trike Motor and would like to share my experience with installing the DK Custom Products Air Cleaner System - 636V.

    My existing A/C was the HD SE Heavy Breather system, I chose this system not only because I thought it would provide the best air flow, but also because it was all chrome and "pretty"!! Recently I had been considering modifying the system to eliminate the oily air vapor from going back into the TB. I had a 2008 Ultra with a 120r crate motor that I modified the backing plate to eliminate the oily air vapor from the TB via a catch can mounted on the left side down tube, and I liked the system a lot. However, when I traded my Ultra in for the Trike I did not take the system with me and thought "what the hell" all the Harley's running around had the crankcase vent to the TB so for 3 yrs I left the OEM system alone. While planning our trip to Cedar City exactly a month ago, I pulled my breather off and observed a fair amount of oil laying in my TB, well that P****d me off and at that point I decided to do something about venting my crankcase breather system to atmosphere.

    I spoke with Kevin several times to discuss how we could possibly pull this off and retain my "pretty" HD Heavy Breather system and realized that this would take an extreme effort on my part with some drilling/tapping/plugging of the backing plate so I decided to opt for the DK Customs 636v system with the discrete breather catch can. While discussing with Kevin, he mentioned they had experienced a little better performance out of the 636v system than the HD Heavy Breather. At that point I advised Kevin that I was not looking for any "increase in performance" as the 120 had all that I thought the Trike could handle. I was also skeptical that the 636v would out perform the HD Heavy Breather system.

    After receiving and installing the 636v A/C system, I decided to do a couple of Target Tune (TT) Auto Tune (AT) runs to see if there was in fact any difference. What I discovered was with the 636v A/C it changed my VE's to a point that I had some that exceeded the limit of 127.5 so I scaled the first time (as advised by both DJ and Jamie at Fuel Moto) and ran another tune to stack on top of the last one. The next tune brought my VE's very near perfect (for the AT system) and it is running better than it ever has - i.e smoother idle, extremely smooth cruise and on the acceleration it is too hard to say from the butt dyno.



    I am thinking that the fact that the motor is now getting clean/cooler air is one factor in running better, but also the 636v system intake elbow is about 3/8" smaller in diameter than the HD Heavy Breather and the increase in velocity my also be a contributing factor. But I am extremely happy with the overall performance of the DK 636v A/C system and would recommend to anyone interested in venting their crankcase breather system to atmosphere that they contact Kevin or Devin at DK Custom Products and discuss the possible systems they have available for your specific application.

    Take care, ride safe!!

    Roger
    DK Customs say that you can add 636v, run stock mufflers and a dyno or “tune” is not required. Would you agree with that?

  14. #13
    450+ Posts geezerglide11441's Avatar
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    Default DK Customs 636V A/C System

    Quote Originally Posted by YYCBOB View Post
    DK Customs say that you can add 636v, run stock mufflers and a dyno or “tune” is not required. Would you agree with that?
    YYCBOB, I would have to agree with DK Customs on that, however, I have communicated with Kevin several times over the years regarding several Performance issues and ride quality issues regarding our Trikes (Kevin also rides a HD Trike) and he is honest and truthful regarding his recommendations. Actually, no pun intended, but if Kevin said a mouse could pull a house, I would be the first to "hitch him up"!! Good luck with whatever you do and keep DK Customs in mind when/if you need any performance/maintenance/reliability upgrades.

    Roger
    2013 TriGlide w/120st motor/PV w/TT Module/SE Roller Rockers/Smith Adj Push Rods/T-Man 577 cams/V&V Valve Springs/Wards Fans/SE Heavy Breather/High Capacity Oil Pan/Fuel Moto Power Duals/Kuryakn Slip-ons/2014 SE Compensator/2014 SE Clutch Assembly w/AIM VP024 Clutch Kit/Pro-Action Shocks/PS Mono-Tube fork assembly/Pntd Inner Faring/H-D Road Zeppelin Seat/Chrome Rear Bumper/Air Wing Luggage Rack/Garmin Road Tech Zumo 660/DK Customs Lift kit & Tour Pack leveling kit and Oil filter relocation kit.

  15. #14
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    Quote Originally Posted by YYCBOB View Post
    DK Customs say that you can add 636v, run stock mufflers and a dyno or “tune” is not required. Would you agree with that?
    Not sure which Trike you have/are thinking of getting.

    The above is true on the M8 engines. It is a borderline call on the Twin Cam engines.

    The Twin Cams run extremely lean bone stock, and we recommend richening them up, even if leaving it stock. You could run the 636v without richening it up at all...but you are going to be in not such a great condition...but that is true with the stock air cleaner also.

    On the M8's, it is an entirely different story. They are Not too lean from the factory. You can see a Report HERE on this subject, complete with dyno runs and AFR charts.

    Both the Twin Cam and M8 will run better with a tune...and on the Twin Cam it is recommended to at least use an XiED product, even if leaving it stock.

    But the M8 it is fine, even with an open air cleaner and exhaust...will it run better with a tune? Yes, but it is not needed to keep it from being so lean that it causes damage.

    Kevin
    www.DKCustom.com
    Call: 662-252-8828 Text: 662-420-4891
    Email: Support@DKCustomProducts.com


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    Quote Originally Posted by DK Custom Products View Post
    Not sure which Trike you have/are thinking of getting.

    The above is true on the M8 engines. It is a borderline call on the Twin Cam engines.

    The Twin Cams run extremely lean bone stock, and we recommend richening them up, even if leaving it stock. You could run the 636v without richening it up at all...but you are going to be in not such a great condition...but that is true with the stock air cleaner also.

    On the M8's, it is an entirely different story. They are Not too lean from the factory. You can see a Report HERE on this subject, complete with dyno runs and AFR charts.

    Both the Twin Cam and M8 will run better with a tune...and on the Twin Cam it is recommended to at least use an XiED product, even if leaving it stock.

    But the M8 it is fine, even with an open air cleaner and exhaust...will it run better with a tune? Yes, but it is not needed to keep it from being so lean that it causes damage.

    Kevin
    Thanks Kevin.

    ( I have a 2015 Freewheeler)


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