Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length

[Snowyone]

Know this is an old post but was looking for cam suggestions for a S&S 124 with the 4 5/8 stoke crank.  this is going in an 2011 Fatboy.  Using 110 heads that are being worked over; cases getting Timken bearings; HPI 58 throttle body with 62mm manifold; using the SE oil pump and cam plate with gear drive cams that I haven't made up my mind about; SE compensator; SE clutch; Baker 7 speed; Don't see much action over 5500 rpm and between me and my bride we're no lite weights.  I had originally chose a TW400G Woods cam but that was for a 107 build that went away with the dial indicator reading 005 plus. I am keeping the compression down to like 10 to 1 because of gas quality concerns and starting issues.  Bob says I'm going to have starting issues and need two compression releases.  Don't want that.  Please help cause I've read till im blind and still in a quandary.

[HILLSIDECYCLE.COM]

Used the 400 one time in a local 124"er.
VERY TOUCHY throttle, and the client was intimidated by his want for low end power.
We've used the 408 in 124"s also.
Still hit's like a hammer, and with a good set of heads, rolls out the back door as well.
Scott

[GMR-PERFORMANCE]

Know this is an old post but was looking for cam suggestions for a S&S 124 with the 4 5/8 stoke crank.  this is going in an 2011 Fatboy.  Using 110 heads that are being worked over; cases getting Timken bearings; HPI 58 throttle body with 62mm manifold; using the SE oil pump and cam plate with gear drive cams that I haven't made up my mind about; SE compensator; SE clutch; Baker 7 speed; Don't see much action over 5500 rpm and between me and my bride we're no lite weights.  I had originally chose a TW400G Woods cam but that was for a 107 build that went away with the dial indicator reading 005 plus. I am keeping the compression down to like 10 to 1 because of gas quality concerns and starting issues.  Bob says I'm going to have starting issues and need two compression releases.  Don't want that.  Please help cause I've read till im blind and still in a quandary.

As for the compression release why not opt for a S&S cam with easy start feature. A 10.1 compression 124 with a S&S 585 ES cam would make huge low-mid range power would sign off somewhere in the 5000-5500 range.  S&S has an option in the 124 crate engine for low compression with the 585 installed with reduced compression over the version we where dealing with.  Good luck with the build sounds good.

[CVOThunder]

Sounds like a good way to go. Kinda like a big inch big block where the size brings the torque/streetability without going too wild on the cam.

[Snowyone]

Thank you for the support.  So thoughts were on the 408 with a bit more duration might be a better choice?  I'd thought about the S&S cam with the easy start feature but had already bought the Woods cam for my 107 build and Bob might trade me.  He told me I'm going to have starter problems and that's not something I want but he was heading to the airport for Germany and couldn' elaborate. So a cam that would bleed of a bit of compression on the start might be good.  I already have ACR's on the 110 heads and he suggested another set of manuals.  I'm used to the manuals on my Dyna 107 so maybe I'll try it.  Changing the cams not a big deal except on the pocket book. 

[HILLSIDECYCLE.COM]

The 585, while it is a greatcam, used in the proper set-up will in no way,shape, or form,have that extrodinary torque curve that either the 400, or the 408 will have in a 124"er, properly set up.
Scott

[GMR-PERFORMANCE]

So Bob told you that starting would be an issue with current cam .. Guess its an easy choice now.. The 585 ES is a nice easy going cam that is very friendly to valve train, easy to tune etc.. no extra comp releases, etc .  Having a great running engine is not always about bragging rights, or having the best peak numbers.

 Good luck

[Hog95023]

What was the end result

[hd-dude]

Just Finished up a 124" Crate Motor
09 FLH
66mm Throttle Hog
S&S Stealth AC with taller Element
5.3 SE Injectors
D&D Boarzilla

[sadunbar]

Just Finished up a 124" Crate Motor
09 FLH
66mm Throttle Hog
S&S Stealth AC with taller Element
5.3 SE Injectors
D&D Boarzilla

Nice result...  Another nice tune by Bob...   

What cams come in this motor, Jim?    That's a lot of throttle body!  

[Unbalanced]

Scott,

They come with S&S 640 EZ start.

[sadunbar]

Scott,

They come with S&S 640 EZ start.

 

[GMR-PERFORMANCE]

very NICE !!!  here is a bone stocker in a 09 RK , very close numbers even with my correction factor that some feel is helping me.. Guess not .


Set up on this was with a 58 SE and se air filter I think the baffle was the wrapped version.. Don't recall now. But other than the intake its making the same power.. Again very nice,, that is a ton of fun to ride around.

[Unbalanced]

Dyno it in Texas LOL                    

[GMR-PERFORMANCE]

YOU know I will Harry    Got two S&S 124s sitting in the clean room right now. Cant wait to see how the one does as we are sending another to  Western Australia