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Author Topic: 2017 Milwaukee Eight Stage IV 114 dyno Testing!  (Read 27860 times)

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Fullsac Performance

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #15 on: April 26, 2017, 09:28:29 AM »

After a couple of attempts with the M8 Stage IV the 515 cam was very weak below 3500, put stock header pipe on, lost about 5lb tq and hp, but throttle response felt better, cam change great feel now big improvement

This dyno chart is after the cam swap?  To what cam?

Thanks!

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JHD06

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #16 on: April 26, 2017, 01:39:28 PM »

TMAN M8-226
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Fullsac Performance

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #17 on: April 26, 2017, 02:16:32 PM »

TMAN M8-226

Tman 226 with a stock headpipe. Got, it thanks!

Steve
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JHD06

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #18 on: April 26, 2017, 09:57:29 PM »

Jackpot 212 head pipe and exhaust vision tuner on a 107 stage iv
« Last Edit: April 26, 2017, 09:59:40 PM by JHD06 »
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Fullsac Performance

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #19 on: May 13, 2017, 09:44:01 AM »

114 update

We've had some downtime waiting on parts. After chatting with TR from Tman, I went with his new 226 cam. A set of 4.185 Mahle pistons from Suburban Speed are due any day. These will bore into the 114 barrels and bring the final displacement to 120 CI. These same diameter pistons in a CVO 114 motor with the 4.5 stroke. and you end up at 124 CI!  With the M8 platform, its very cost effective to bolt on big cubes with a simple bore job of the stock barrels. I think we will be seeing quite a few M8 CVO 124 builds in the near future. :2vrolijk_21:

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FLSTFI Dave

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #20 on: May 14, 2017, 08:33:51 AM »

114 update

We've had some downtime waiting on parts. After chatting with TR from Tman, I went with his new 226 cam. A set of 4.185 Mahle pistons from Suburban Speed are due any day. These will bore into the 114 barrels and bring the final displacement to 120 CI. These same diameter pistons in a CVO 114 motor with the 4.5 stroke. and you end up at 124 CI!  With the M8 platform, its very cost effective to bolt on big cubes with a simple bore job of the stock barrels. I think we will be seeing quite a few M8 CVO 124 builds in the near future. :2vrolijk_21:

Steve@fullsac.com

The 124 sounds great, just looking at Suburban speed kits.  With a well match cam it should make great power for a touring bike.
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Fullsac Performance

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #21 on: May 14, 2017, 10:06:27 AM »

The 124 sounds great, just looking at Suburban speed kits.  With a well match cam it should make great power for a touring bike.

The M8 so far has shown no HP per cube advantage over the Twin Cam motor. The nay sayers were right! But when you combine it's smooth and quiet manor with the ease of increasing the cubes, it has every advantage over the Twin Cam. My 107 is gaining 10 cubes with a piston kit and a bore job. That's just too easy. As a Touring platform it's hands down Harley's best to date. Over the next year the good cocktails of parts will be well known. The parts to avoid are already surfacing. Anybody need a low mile SE 515 cam?

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #22 on: May 15, 2017, 08:43:43 AM »

The M8 so far has shown no HP per cube advantage over the Twin Cam motor. The nay sayers were right! But when you combine it's smooth and quiet manor with the ease of increasing the cubes, it has every advantage over the Twin Cam. My 107 is gaining 10 cubes with a piston kit and a bore job. That's just too easy. As a Touring platform it's hands down Harley's best to date. Over the next year the good cocktails of parts will be well known. The parts to avoid are already surfacing. Anybody need a low mile SE 515 cam?

Steve@fullsac.com

Even so, looks to me like a 124 inch M8 from a 114 would be less money in parts than a 117 from a 110.  Also the smoother motor is a big plus.  I would think 135 square out of a 124 M8 could be built as a reliable cross country bike
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Unbalanced

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #23 on: May 15, 2017, 01:10:52 PM »

Even so, looks to me like a 124 inch M8 from a 114 would be less money in parts than a 117 from a 110.  Also the smoother motor is a big plus.  I would think 135 square out of a 124 M8 could be built as a reliable cross country bike

Getting 135 squared is yet to be seen, dunno if a .030 headgasket / and cutting .25 off the heads will be enough to get there at least not without the help of dyno that is happy or games.   I'd expect to see less.   Then the crank becomes a concern.     
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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #24 on: May 15, 2017, 02:05:52 PM »

Getting 135 squared is yet to be seen, dunno if a .030 headgasket / and cutting .25 off the heads will be enough to get there at least not without the help of dyno that is happy or games.   I'd expect to see less.   Then the crank becomes a concern.   

Theoretically, the M8 Heads should support bigger #s than the TC 2 Valve Heads,,,
'Guess we'll find out when The Aftermarket R&D catches up :nixweiss:

 
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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #25 on: May 15, 2017, 04:08:29 PM »

Ed,

You have to consider that you have a limited area you can remove with the water jackets so that is a limit on how much you can shave the heads.   Why many are only taking 20-25 off the 16/17's with the 117 kits.   On the 117 for instance all things being equal most are seeing 120/126 range add 7 with a typical 1.10 to 1 upgrade on headwork  cubes and you end up 128/134.   is it close yes, but those extra's cost money and all the parts being right.   Not saying it wont happen, just caution in the wind to not get oversold.   Would want to see dynosheets from the same dyno without and with headwork to not see the overall numbers but actual gains.
« Last Edit: May 15, 2017, 04:10:28 PM by Unbalanced »
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Fullsac Performance

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #26 on: May 15, 2017, 05:05:17 PM »

Getting 135 squared is yet to be seen, dunno if a .030 headgasket / and cutting .25 off the heads will be enough to get there at least not without the help of dyno that is happy or games.   I'd expect to see less.   Then the crank becomes a concern.   

1.1 HP and TQ per cube is already happening. A 124" M8 will make those numbers with off the shelf parts. A chart was sent to me a from Fairbault HD, 130 squared from a 120" M8 was done with a TTS 200 cam, SE heads and 64 TB. Made 125 Ft pounds at 2500 RPM too.  I should have my 120" with the Tman 226 on the dyno by weekend. I will be real disappointed if I don't see at least 130 at both ends. By the way, the compression is 11.2 with a .030 gask. I think we have enough with out cutting anything.

Steve@fullsac.com
« Last Edit: May 15, 2017, 05:09:32 PM by Fullsac Performance »
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Black Diamond

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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #27 on: May 15, 2017, 09:51:06 PM »

Should be an interested build.  Looking forward to the outcome.  Still don't know much about the M8 and trying to stay ignorant!

JW
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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #28 on: May 16, 2017, 10:23:59 AM »

Should be an interested build.  Looking forward to the outcome.  Still don't know much about the M8 and trying to stay ignorant!

JW

The best way to stay like that is not to ride one! What happens is, your body gets subconsciously adjusted to less vibration and engine noise. At first you will try to tell yourself its not really any better, I don't need one. You can continue to do that on short trips. Then you go for that all day ride. Jump back on the old TC and you immediately want to switch back. Its amazing how good the stereo sounds when it's not competing with the engine . Avoid riding one for a full day, that's when the real damage happens.

Steve@fullsac.com
« Last Edit: May 16, 2017, 10:36:06 AM by Fullsac Performance »
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Re: 2017 Milwaukee Eight Stage IV 114 dyno Testing!
« Reply #29 on: May 18, 2017, 07:09:00 AM »

Thx for the tip. I'm pretty good at staying ignorant! 

Seriously, I'll be watching the build. All three of my TC scoots are getting up there in miles.

JW
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