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M8 Dyno Numbers

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  #711  
Old 03-09-2023, 03:15 AM
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I haven’t picked the bike up yet, I only have the graph.
What I was referring to with “should I be happy” Was to see if the graph looks right to other folk on here. Could it be be better or is that about right for my build…

To me, the torque curve seems a little weak before 3k and then looks like it’s going to take off.

Correct the 64mm was to future proof the project.

Originally Posted by Keithhu
Should you be happy? Thats an odd question. Are you happy with how it rides? Because you cant ride a chart. With stock heads and displacement the 64mm TB didnt buy you anything, but maybe you're planning future upgrades?
 
  #712  
Old 03-09-2023, 05:48 AM
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110 ft lbs by 3k and 120 hp out of a 114 is really good. Torque curve looks smooth. It should be a blast to ride.
 
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  #713  
Old 03-09-2023, 06:11 AM
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Which superstreet version, and what size is the db reducer? I’ve done some experimenting with the db reducer and it does make a difference, both in length and size.
 
  #714  
Old 03-09-2023, 09:12 AM
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Race only version - I’ve tested a few reducers prior to the build and found the Fuel Moto 12” insert to be the best with the tongue fully closed.

On the image below, I have overlayed my stage 2 graph to a dyno session on my stage 1.

I appreciate that no two dynos are the same but you can clearly see that before 3K I’ve got less Hp and torque than before.

Green line - Stage 1 - FM Insert Tongue closed
Blue line - Stage 1 - FM Insert 1/4 Tongue
Orange line - Stage 1 - FM Insert 1/2 Tongue





Originally Posted by Wmitz
Which superstreet version, and what size is the db reducer? I’ve done some experimenting with the db reducer and it does make a difference, both in length and size.
 
  #715  
Old 03-09-2023, 03:18 PM
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I would have expected numbers closer to 130/130 as a minimum based on what A.P.E. is getting.
 
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  #716  
Old 03-09-2023, 04:01 PM
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Preciously why I went for this cam.

They even use the same exhaust in a lot of their clips..

Is this down to the dyno operator?

Originally Posted by NHBAGGER
I would have expected numbers closer to 130/130 as a minimum based on what A.P.E. is getting.
 
  #717  
Old 03-09-2023, 05:25 PM
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Originally Posted by gaagwyn
Preciously why I went for this cam.

They even use the same exhaust in a lot of their clips..

Is this down to the dyno operator?
Dyno's vary as does the tuner's and the atmosphere condition can effect the numbers also, APE are very good at extracting the most out of these cams
 
  #718  
Old 03-09-2023, 11:48 PM
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Originally Posted by gaagwyn
Preciously why I went for this cam.

They even use the same exhaust in a lot of their clips..

Is this down to the dyno operator?
you probably were fooled by those dyno sheets - so was I.
In the very last moment, I went with 480 to avoid disappointment - IMHO they have happy dyno or they are masters at work.
Some smarter people say that the results APE and TDG post on different groups are simply not possible to achieve.
BUT APE have proofs with their time slips, so... 🤷🏿‍♂️
 
  #719  
Old 03-10-2023, 05:34 AM
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Originally Posted by gaagwyn
Preciously why I went for this cam.

They even use the same exhaust in a lot of their clips..

Is this down to the dyno operator?
Gone for same cam, no dyno yet, got a map from APE tweaked by Richard @DynojetUK cos i'm 2-2 ,& 19 my, feels great/strong, on brief ride nice manners on map only
Going for dyno eventually but maybe my exh/intake filter not optimal -styling exercise.
Where did you get the Dyno done?
See you have deviated from the APE build, smaller injectors & bigger throttle body/manifold,not sure of your intake filter
 

Last edited by yobtaf103; 03-10-2023 at 06:10 AM.
  #720  
Old 03-10-2023, 07:34 AM
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Would be really interesting to see your numbers..

When are you thinking of going up?

A shop in South Wales, I’m not knocking them.. I’m just curious if it could be any better.

Yes slight deviation, but I think 5.5 should be more than enough for a stage 2

Originally Posted by yobtaf103
Gone for same cam, no dyno yet, got a map from APE tweaked by Richard @DynojetUK cos i'm 2-2 ,& 19 my, feels great/strong, on brief ride nice manners on map only
Going for dyno eventually but maybe my exh/intake filter not optimal -styling exercise.
Where did you get the Dyno done?
See you have deviated from the APE build, smaller injectors & bigger throttle body/manifold,not sure of your intake filter
 


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