S&s t124 - Road Glide Forums
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post #1 of 35 (permalink) Old 01-20-2016, 04:20 AM Thread Starter
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S&s t124

Looking to make a jump and I figured I'll go all in. I have a 2012 road glide with stock 103. I dont want to dump money into my motor and realize I want more.

I have been looking in to the either upgrading my 103 or just buying new a crate engine. I have heard a lot of great things about S&S Cycle T124 Engine with easy start 640 camshafts.

I guess my question is. Is it worth buying a new crate engine or should I go with the 124 Big bore kit and deal with boring out the crankcase and everything else.
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post #2 of 35 (permalink) Old 01-20-2016, 05:47 AM
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The crate 124" with a .640 is more akin for use in a Dyna, or Softail.
The LC version with a .585 does come in quicker, but if looking for more than that,(much more) we use either a Wood 9F, or a T-Man 662-2 cams, along with our Stage II Headwork for that casting, and NOW, you have HUGE torque right where a touring bike can really take advantage of it.
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post #3 of 35 (permalink) Old 01-20-2016, 08:12 AM
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Option 1) Full motor is the best way to go IMO S&S 124 nice motor, I would recommend neither the 585 or the 640 cam, 635HO Cam is the best cam for that motor in my opinion. Not sure what those motors go for no a days. Dragos Bike works also puts out a very nice 124 as well and his customer service is better. either way 58-62mm TB 66 is too much (again my opinion)

Option 2) Fuelmoto Outlaw motor 126 numbers are in the 150 range that motor is 7k I believe

Option 3) 107 and 117 kits you can get very comparable to a 124 (with 117 kit) these kits and save about 2k

Option 4) Turbo Kits are around 4500-5k - With cams you can see alot of torque and this a bolt on solution

It really depends on your budget, as well as what are you looking for performance wise.. There is always a number people have in their head where they want to be when they think big bore or crate motor, between that and your budget it will help you make the choice
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post #4 of 35 (permalink) Old 01-20-2016, 10:15 AM
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I would think that your best option would be the new crate motor either from S&S, Dragos, or Fuel Moto.
By the time you pull a motor and send it out for machine work install the kit the cost will be about the same.
The main advantage of doing the crate motor is less down time and there is a 1 year warranty on the new motor where a build kit would have more down time and no warranty.
Plus you can sell your 103 and get a few bucks back, 103 are a dime a dozen now so don't expect to get a lot for it though.
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post #5 of 35 (permalink) Old 01-20-2016, 10:39 AM
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Well I did the S&S 124" with the 640 cams and a 66 mm throttle body last summer and it's a beast. I was running Rinhart true duels with a SE heavy breather and a car tire and pulled 132/134 on the dyno. Tuner said I was probably giving up 8-10 with that set up. This winter I'm going to a Drago's "H" pipe and a S&S stealth intake. The car tire stays!! I will see what she pulls in the spring.
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post #6 of 35 (permalink) Old 01-21-2016, 09:45 PM
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S&s t124

This is a Jims 120 vs a S&S 124 with a 50mm TB and a supertrapp 2-1.
The S&S had 10.8:1 and 640 cams.



Dyno Guy- Zimmerman Minnesota

Attachment 234634

Last edited by dynoguymn; 01-21-2016 at 09:48 PM.
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post #7 of 35 (permalink) Old 01-21-2016, 09:49 PM
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ImageUploadedByMO Free1453434590.380770.jpg


Dyno Guy- Zimmerman Minnesota
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post #8 of 35 (permalink) Old 01-21-2016, 09:58 PM
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Quote:
Originally Posted by dynoguymn View Post
Attachment 234658


Dyno Guy- Zimmerman Minnesota

I can't see the numbers. Would you mind listing the numbers? Thanks.


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post #9 of 35 (permalink) Old 01-21-2016, 11:42 PM
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I can't see the numbers. Would you mind listing the numbers? Thanks.


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The Jims 120 had 121hp and 127tq
S&S 124" had 136hp 139tq


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post #10 of 35 (permalink) Old 01-21-2016, 11:50 PM
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get one of the crates , get a great tune , and screw the numbers ..

for longevity get the S&S LC124
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