M8 124 thoughts
Thread Starter
|
Intermediate
Joined: Dec 2015
Posts: 47
Likes: 2
From: North West Ohio
M8 124 thoughts
It was recommended that I go ahead and post this here.
I'm looking at possibly doing a 124 build on my 107. Looking for advice and thoughts on parts. Hoping for a nice smooth powerband for touring, regardless of weather but enough power to have fun. Right now I am looking at the Zippers 124 Sleeper with the 472 cam. A guy who works at my Local Harley shop almost recommended the S&S kit but when I mentioned the desire for a reliable touring engine he then suggested the Harley 128 kit. I am honestly leaning towards the Zippers kit. Can anyone recommend other kits, companies or a mix and match list of parts thats comperable?
Hoping for 120hp and 140ft/lb. I currently have the Rinehart Slimline Duals with the DBX40 mufflers, but will probably switch to the D&D X-Cat 2:2 and the standard Rinehart baffles when the time comes to build.
I'm looking at possibly doing a 124 build on my 107. Looking for advice and thoughts on parts. Hoping for a nice smooth powerband for touring, regardless of weather but enough power to have fun. Right now I am looking at the Zippers 124 Sleeper with the 472 cam. A guy who works at my Local Harley shop almost recommended the S&S kit but when I mentioned the desire for a reliable touring engine he then suggested the Harley 128 kit. I am honestly leaning towards the Zippers kit. Can anyone recommend other kits, companies or a mix and match list of parts thats comperable?
Hoping for 120hp and 140ft/lb. I currently have the Rinehart Slimline Duals with the DBX40 mufflers, but will probably switch to the D&D X-Cat 2:2 and the standard Rinehart baffles when the time comes to build.
Road Master
Joined: Oct 2008
Posts: 842
Likes: 284
From: UK
It was recommended that I go ahead and post this here.
I'm looking at possibly doing a 124 build on my 107. Looking for advice and thoughts on parts. Hoping for a nice smooth powerband for touring, regardless of weather but enough power to have fun. Right now I am looking at the Zippers 124 Sleeper with the 472 cam. A guy who works at my Local Harley shop almost recommended the S&S kit but when I mentioned the desire for a reliable touring engine he then suggested the Harley 128 kit. I am honestly leaning towards the Zippers kit. Can anyone recommend other kits, companies or a mix and match list of parts thats comperable?
Hoping for 120hp and 140ft/lb. I currently have the Rinehart Slimline Duals with the DBX40 mufflers, but will probably switch to the D&D X-Cat 2:2 and the standard Rinehart baffles when the time comes to build.
I'm looking at possibly doing a 124 build on my 107. Looking for advice and thoughts on parts. Hoping for a nice smooth powerband for touring, regardless of weather but enough power to have fun. Right now I am looking at the Zippers 124 Sleeper with the 472 cam. A guy who works at my Local Harley shop almost recommended the S&S kit but when I mentioned the desire for a reliable touring engine he then suggested the Harley 128 kit. I am honestly leaning towards the Zippers kit. Can anyone recommend other kits, companies or a mix and match list of parts thats comperable?
Hoping for 120hp and 140ft/lb. I currently have the Rinehart Slimline Duals with the DBX40 mufflers, but will probably switch to the D&D X-Cat 2:2 and the standard Rinehart baffles when the time comes to build.
Intermediate
Joined: May 2018
Posts: 47
Likes: 13
From: Reno, Nv
I went with the FM 124 kit on my 17 RK SP. Very pleased with the outcome. Did all the work myself and then had it Dyno tuned. As far as a complete and proven kit goes with support after the sale, you cant beat the FM packages in my opinion. The HD option is the other choice if your not looking for big peak HP/TQ numbers as they have to stay within epa perimeters for tuning. I'm at 144/148 and have almost 12k miles on my set-up.
Sponsor
Joined: Dec 2007
Posts: 12,084
Likes: 829
We have dyno reports on our company Facebook for 124" M8's...148/150.
128" up in the high 150's.
Scott
128" up in the high 150's.
Scott
Trending Topics
Intermediate
Joined: May 2018
Posts: 47
Likes: 13
From: Reno, Nv
Sorry for not replying sooner. I have the WM-408 Woods cam installed and the Jackpot 2-1-2 header with High Roller mufflers.
HD Forum Stories
The Best of Harley-Davidson for Lifelong Riders
8 Best Harley-Davidson Motorcycles Ever
Pouria Savadkouei
10 Worst Harley-Davidson Motorcycles Ever
Pouria Savadkouei
Killer Custom's Jail Break Is The Breakout That Refused to Blend In
Verdad Gallardo
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Verdad Gallardo
Harley-Davidson Reveals Super Cool Cafe Racer Concept
Verdad Gallardo
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Verdad Gallardo
10 Motorcycles You Should Never Buy
Joe Kucinski
10 Things Harley-Davidson Needs to Fix in 2026
Verdad Gallardo
Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider
Verdad Gallardo
Intermediate
Joined: May 2018
Posts: 47
Likes: 13
From: Reno, Nv
I don't believe so. They are all most likely related in some form or another. The only issue I've heard about was some of the early HD cylinders were out of round and contributing to the sumping issues.