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[Mr John DEUFF]

That would be cool if I was living in the USA but here in France there is not much shop with experienced people.
By the way I would like to install one carburated to have more sensations with it. I still can remember the first evo engine I've driven a 1991 fatboy 

[Hog95023]

OK guys I have understood that 145ci engine is not a good idea for an every day riding bike.
Could someone explain me the differences between the 2 S&S 124ci engines, the LC and the "normal"? Which is the purpose of the Low Compression one?

I have 11k miles on my 124 10.8 comp HD-dude put in my bike this June and its running pretty good, solo and 2 up loaded down. Climbing the Sierra mountain passes is a blast loaded 2 up. Only thing that will slow it down is fear and traffic

[Skipper]

we sell about 50/50 HC vs LC engines. Both are very nice out the box. AS you can see the tq curve really very nice on either engine kit.  If you are going to buy one I would suggest that you get in touch with the shop you choose and have a conversation. A shop that has built, installed and tuned them in house would be your best bet.   Good luck on your new build

Saying that, can you recommend someone in Austria or Germany?
I'm also thinking to replace this 110" POS with 124"LC.
Br,
Skipper

[Rooster]

Is the dip from the Zilla pipe? I have the same dip actually a little more and I can feel it before it takes off on my 131. Or could that be from my over tall stock 07 gears? or combo of both.

[Hog95023]

Is the dip from the Zilla pipe? I have the same dip actually a little more and I can feel it before it takes off on my 131. Or could that be from my over tall stock 07 gears? or combo of both.

I think it's the cam and pipe combo. I feel it at take off too if I am just riding as I would a stock motor. If you rev up the motor to 3500-4000 and let the clutch out you won't notice it a bit   

[HILLSIDECYCLE.COM]

We just had a client take "our" version of .585 equipped 124" to Thayers Sales & Service, Corfu, N.Y. for tuning.
Our 2.020" heads/his cases bored/Timken/4" Rhinehart Duals/58mm T/Hog with mods.
I'll see if I can stick that report up once completed.
Scott

[Rooster]

I think it's the cam and pipe combo. I feel it at take off too if I am just riding as I would a stock motor. If you rev up the motor to 3500-4000 and let the clutch out you won't notice it a bit   

I hear you

[sAs]

We just had a client take "our" version of .585 equipped 124" to Thayers Sales & Service, Corfu, N.Y. for tuning.
Our 2.020" heads/his cases bored/Timken/4" Rhinehart Duals/58mm T/Hog with mods.
I'll see if I can stick that report up once completed.
Scott

That be mine. I only have it in STD correction for now, but have attached it anyway. It pulls hard all over..Very pleased considering its versatility when it comes to pump gasses out in the lower 48..Thanks Scott!

SS

[HILLSIDECYCLE.COM]

I've seen that dyno chart before.
Welcome to the forum, Scott.
Scott

[CVO2FIXUP]

Here is a 585 vs the 640 .. as you can see the 640 does very well. Set is very close and really pipe to pipe nothing is being gained one way or the other.

We just completed two of those LC 124 last week. Both where every close to HP and tq number , Another is being dropped off today and it's going into a 07 bike so 55 HPI cable with a DD7 trans pwr dual head and standard crusher mufflers . Nothing like real world in house testing.. always a great time to see how one will stack up against the next 

   Which one is the 585? Blue or red?

[Rooster]

Very nice Mr. GMR. You seem to be able to get rid of most of the dip that I have with my Zilla. Mr Stegmann did a great job tuning my 131 but do have a big dip bout 2250 but I get 37mpg most of the time. I wonder if it has anything to do with the tall 07 gearing or maybe cam.

[HILLSIDECYCLE.COM]

That be mine. I only have it in STD correction for now, but have attached it anyway. It pulls hard all over..Very pleased considering its versatility when it comes to pump gasses out in the lower 48..Thanks Scott!

SS

Dan Thayer, inovator/manufacturer of the 3-Stage pump is also a good tuner.
He liked what we tuned as per conversation with him.
Scott

[Midnight Rider]

That would be cool if I was living in the USA but here in France there is not much shop with experienced people.
By the way I would like to install one carburated to have more sensations with it. I still can remember the first evo engine I've driven a 1991 fatboy 

Why on earth would you even think about doing that?  There are many, many functions controlled by the ECM on a modern HD and trying to make one into a carb'd bike would be a relative nightmare just to get that potato/potato sound that the old bikes had.  An exercise in futility...

[Mr John DEUFF]

It's not just for the potato sound but also for the way a carburated engine "behave": it's more impressive and it feels "alive". I'm not just looking for efficiency but mainly for sensation. The 124 S&S exist in carburated version so it shouldn't be so different to install it.

[Midnight Rider]

It's not just for the potato sound but also for the way a carburated engine "behave": it's more impressive and it feels "alive". I'm not just looking for efficiency but mainly for sensation. The 124 S&S exist in carburated version so it shouldn't be so different to install it.

It is not as easy as it might appear.  You can't just stick that motor in your bike and crank it up, do away with the ECM, and not have all kinds of issues surrounding the ECM not being hooked up to anything.  You will get ALL manner of codes thrown, not to mention the bike will not run well at altitude, with different fuels available, etc.

Anything can be done if you throw enough money at it, so expect to throw a BUNCH of money at this, and a lot of time...and whoever does it better damn sure know what they are doing.  The wiring harness for a modern HD is light years different than for an old bike with a carb....exactly like your car is light years different than a 1965 Chevy with a 283 C.I. engine in it.  You can't just leave those wiring connections dangling...the bike will NOT like it.