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M8 Dyno Numbers

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  #851  
Old 12-12-2023, 11:16 AM
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Originally Posted by fuelmoto
For those interested we installed an assortment of camshafts in the Screamin Eagle SE 135 crate engine. There is a full article & dyno charts on the FM University website here>> https://university.fuelmotousa.com/article/2045/

That is nice if you are a gazzilionare and going to purchase a new SE 135" to spend even more money on.

But as there are already sooooo many more people running the SE 128/131" packages out there looking and or changing cams...... 🤷‍♂️
 
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  #852  
Old 12-12-2023, 12:46 PM
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Originally Posted by Bayou FLHR-M8-128"
That is nice if you are a gazzilionare and going to purchase a new SE 135" to spend even more money on.

But as there are already sooooo many more people running the SE 128/131" packages out there looking and or changing cams...... 🤷‍♂️
Fortunately much of this data crosses over to the SE 128/131 engines as well as they are very similar; the primary differences being the stroke and smaller throttle body. The 128/131 shares the same bore size, cylinder heads, camshaft, and most other components with the 135.
 
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  #853  
Old 12-12-2023, 12:57 PM
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Nice work, and thanks for the results. Did you happen to take CCP readings with each of the cams?
 
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  #854  
Old 12-12-2023, 06:44 PM
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Originally Posted by rigidthumper
Nice work, and thanks for the results. Did you happen to take CCP readings with each of the cams?
Yes we did and we keep a file of each test. When I get a free minute to go thru and sort everything I'll post more info.
 
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  #855  
Old 12-13-2023, 10:20 AM
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Still looks like Wood WM8-22X (TTS-100) rules the low end and Red Shift RS-468/548 rules the mid-range, to me. Regardless of engine size.

When MoCo shifts to all VVT, maybe this no longer matters? Of course, there will still be tons of legacy static valve timing engines out there for a long time.
 
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  #856  
Old 12-13-2023, 10:37 AM
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Originally Posted by fuelmoto
Yes we did and we keep a file of each test. When I get a free minute to go thru and sort everything I'll post more info.
Can’t wait!
 
  #857  
Old 12-18-2023, 11:03 AM
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Originally Posted by JED POLAND
Can’t wait!
Fuel Moto has already posted the individual files on their web site under the dyno charts.

Dyno Charts - Fuel Moto University (fuelmotousa.com)
 
  #858  
Old 12-18-2023, 10:55 PM
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Default 107 m8 to 129 big bore

Fuel moto 129 big bottle kit. Carillo 10.8:1 pistons. S&S cam chest kit with billet lifter cuffs, and S&S 550 cam and quickie pushrods and lifters, S&s 1.64 roller rockers, with head guardian kit. Heads are fuel motto stage "A" Poterd. With .580 valves springs. Tundrrmax auto tuner, fueling 6.1 injectors on a HPI ported 62mm intake ND billet 62mm throttle body, exhaust is S&S 4.5 inch 2 into 1 Sidewinder with DB reducer. AIM centrifugal clutch plate with stiffer clutch springs. Currently breaking in motor with 10 heat cycles and at 500 miles will dyno tune. Currently running rpms to 4,000 . Raised limiter to 6,000 rpm. Back tire not gripping at 3rd gear at 55 mph when at 3/4 throttle so far. Can't wait for dyno numbers. Upgraded rear shocks for better ride/handling.
 
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  #859  
Old 12-19-2023, 05:54 AM
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Originally Posted by 01Roadking2
Fuel moto 129 big bottle kit.
Would love to have one!
 
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  #860  
Old 12-26-2023, 01:07 PM
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I just spoke to Corey at Doc's and the only thing he said is that the RDRS adds some work and time for the person doing the tune, so maybe if that person doesn't put that extra effort into it, the tune could be affected. I can't say for sure, but it seems possible. Aside from that, he didn't indicate that RDRS hurts anything.
 


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