Fuel Moto M8 cam test & dyno charts - Road Glide Forums
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post #1 of 24 (permalink) Old 02-05-2018, 10:18 AM Thread Starter
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Fuel Moto M8 cam test & dyno charts

H-D Milwaukee-Eight® 107" Camshaft Shootout



We tested SIX different bolt in camshafts back-to-back to provide an accurate comparison of results. Our test bike was a 2017 Harley-Davidson Road Glide 107" Milwaukee Eight and was equipped with a Screamin' Eagle Stage 1 air cleaner, Jackpot M8 2/1/2 head pipe, S&S MK45 slip on mufflers, and each cam was fully tuned with the Dynojet Power Vision. The following cams were part of this test:

Andrews M460
Cycle-Rama 460
S&S Cycle 475C
Wood Performance-WM8-22X
Zipper's Red Shift 468
Wood Performance WM8-222
The first dyno chart below has all six of the camshafts overlaid to show their respective torque and horsepower relative to this particular set of components. All of the camshafts in our test offered significant performance increases over that of the stock camshaft. We would welcome you to contact one of our technicians at 920-423-3309 Mon-Fri between 9-5 CST to assist in finding the best camshaft to fit your particular riding style.


__________________________________________________ __________________

Andrews M460 Camshaft
Valve Train Noise: Very Quiet
Cam Lope at Idle: Moderate
Description: This cam makes nice broad power. It comes on relatively early and pulls well to the right side of the curve. This cam placed in the middle of the test.


__________________________________________________ ___________________
Cycle Rama CR-460 Camshaft
Valve Train Noise: Very Quiet
Cam Lope at Idle: Moderate
Description: The Cycle Rama 460 made very good low RPM power (the second best in this test), it also provides a very broad power curve with good upper RPM power.



__________________________________________________ __________________

S&S Cycle 475C Camshaft
Valve Train Noise: Very Quiet
Cam Lope at Idle: Very Aggressive
Description: The S&S 475C made the second best peak HP in our test, it accelerates hard. It is very responsive and has the most aggressive lope of all the cams we tested by a significant margin.


__________________________________________________ __________________

Wood WM8-22X Camshaft
Valve Train Noise: Very Quiet
Cam Lope at Idle: Aggressive
Description: The WM8-22X camshaft offers the best early torque in this test, and it faired well horsepower wise. This cam is easy to tune and has an aggressive lope.


__________________________________________________ __________________

Zipper's Red Shift 468 Camshaft
Valve Train Noise: Very Quiet
Cam Lope at Idle: Semi-Aggressive
Description: The Red Shift 468 placed in the middle of our test for both peak torque and horsepower. It has really broad power, nice and strong through the mid RPM's. It has a semi aggressive lope.



__________________________________________________ _________________

Wood WM8-222 Camshaft
Valve Train Noise: Very Quiet
Cam Lope at Idle: Moderate
Description: The WM8-222 made the best overall peak horsepower. It made slightly less early torque than the other cams. It has the smoothest curve.

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Jamie Long / Fuel Moto USA

Dynojet Power Vision info is here
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Last edited by fuelmoto; 02-05-2018 at 02:03 PM.
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post #2 of 24 (permalink) Old 02-05-2018, 10:24 AM
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sweet!

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post #3 of 24 (permalink) Old 02-05-2018, 11:07 AM
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Great job - thank you!

2017 FLTRXS - Road Glide Special (Olive Gold): Cycle-Rama CR-460 cam, Fuel Moto Jackpot 2-1-2 head pipe, SE Street Cannons mufflers, SE Ventilator air cleaner, Dynojet Power Vision, Freedom Shields 10" Sport Touring, Rockford TM400x2ad amp w/ BT line leveler, Arc 602 speakers.
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post #4 of 24 (permalink) Old 02-05-2018, 11:26 AM
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Amazing test and awesome figures.
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post #5 of 24 (permalink) Old 02-06-2018, 10:12 AM
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Besides the Woods 22X, do you have any dyno's in the 2018 CVO 117" motor?

2018 CVO Road Glide, Black Earth/Vivid Black
Fuel Moto Road & Track 2 into 1, Fuel Moto custom K & N Air Cleaner, Redshift 468 cam, Power Vision.
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post #6 of 24 (permalink) Old 02-07-2018, 09:22 AM
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Thanks for doing this. I purchased the 22x before you did this test and was a little nervous that another cam might be much better. Very happy with my decision, actually it looks like you can't go wrong with any of them.
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post #7 of 24 (permalink) Old 02-13-2018, 10:01 AM Thread Starter
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After we concluded the M8 cam test we tested a few components on our test bike to demonstrate the effect in horsepower & torque from changing the specific recipe we used. The bike has a Wood WM8-222 cam and we swapped exhaust to the Jackpot Road & Track 2/1 and we also changed from the SE air cleaner to the new K&N Filtercharger, this is a heavy breather style unit with a large elbow. Here is the dyno chart for this combination, as well as a comparison to the 222 cam with the earlier exhaust we tested.



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Jamie Long / Fuel Moto USA

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post #8 of 24 (permalink) Old 02-13-2018, 04:08 PM
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Very nice numbers, TY for posting all your work Jamie


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post #9 of 24 (permalink) Old 02-13-2018, 04:59 PM
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Awesome post! Almost makes me wish I had the M8.

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post #10 of 24 (permalink) Old 02-13-2018, 08:50 PM
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Love what those 2 to 1s due in the midrange. Love that curve.

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