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[Ridgerunr]

Late model lower ends have too much runout for use of gear drive cams. The current chain system is fine. Install S&S Premium lifters. Ride it.

[Kingspoke]

2015 CVO Street Glide - Carbon Crystal

Any recommendations for lifters/gear drive? I need this thing functional. Cant cross state lines when my chit is blowing up every few thousand miles lol

Your misfortune motivated me to get off my duff and set an appointment with the shop to install S&S premium lifters with S&S adjustable pushrods, and S&S cam bearing kit.  I also have some SE 585 cams, but I'm on the fence about replacing the SE255's as I love the torque early on.

I had these parts sitting around since last fall!

[cahdbiker]

Hi Kingspoke, I am familiar with the S&S 585 cam. I am hoping that the grind for an Evo 585 cam  is the same grind that they use on the twin cam 585. I am pretty sure it is. I can tell you that when I installed an S&S 107 in my 95 Heritage it had the 585 cam. That bike pulled from down low and had crazy top end. For the record it had a six speed and a 30 tooth front sprocket and a 70 tooth rear. My buddy had a Dyna  Superglide with 103, race tuner, and S&S 585s.( 32 tooth front sprocket and stock on rear) His bike was a madman.  Based on my experience I would say that a Ultra Classic would be too heavy of a bike for the 585s. In my 09 I am sticking with my 255s and Fulsac stage one kit. I would hate to lose that bottom end and I usually shift by 5k anyways. I would ask anyone who installed 585s in a SE Ultra Classic to chime in and give an opinion. Or call S&S and ask them. CAHDBIKER

Your misfortune motivated me to get off my duff and set an appointment with the shop to install S&S premium lifters with S&S adjustable pushrods, and S&S cam bearing kit.  I also have some SE 585 cams, but I'm on the fence about replacing the SE255's as I love the torque early on.

I had these parts sitting around since last fall!

[twinotter]

AFAIK the SE585 is totally different than the S&S 585 cam. Do not assume you can use the S&S in place of the SE version! Check out the specs and compression each desires, and their prospective uses.  twinotter

[rigidthumper]

 I worked at the same dealership from 1998 to last month, and the CVO failures have dropped significantly. I still advocate good lifters and cam bearings, but I've also found less spring pressure to help- Oviate or beehive, setup for the cams of choice, will be quieter and easier on the entire valve train. Proper components, matched, will bring a lot of smiles/gallon.

[Kingspoke]

Hi Cahdbiker!  I'm with you, loving the low end grunt of the SE 255's, so I was reluctant to swap them out with the SE 585's, knowing they might lose that off the line torque.  Ron at RC Cycles suggested that we try a 4 degree advance on the cam, and boy was he on the money. 

My bike is just as fast off the line, I can still easily pass cars in 6th gear (I'm a 3k rpm at 80mph, so I'm right in the power band), and yet it extends the power at higher rpms.  I've lost nothing (but heat), and maintained torque further across the board, while picking up a modest 9hp.  I'm very happy with the results, as I was already happy with the 110 performance (Not happy with some of the crappy components (cam bearings, lifters, flywheel tolerance, etc.) Moco puts in these bikes.

If I would have had any serious engine failure, (my bike is off warranty), I would probably go straight to a S&S T124LC granite.

Here's the dyno overlay of my SE255's with my new SE585's!

In my 09 I am sticking with my 255s and Fulsac stage one kit. I would hate to lose that bottom end and I usually shift by 5k anyways. I would ask anyone who installed 585s in a SE Ultra Classic to chime in and give an opinion. Or call S&S and ask them. CAHDBIKER

[prodrag1320]

S&S lifters torrington inner cams bearing are a must have

[Kingspoke]

S&S lifters torrington inner cams bearing are a must have

Yes, sir!

[Rooster]

looks like you gained a 2250rpm dip with the extra oomph. Can you feel it? I have one twice that big and can sure feel it and would like to get rid of it someday.

[Kingspoke]

looks like you gained a 2250rpm dip with the extra oomph. Can you feel it? I have one twice that big and can sure feel it and would like to get rid of it someday.

I don't see a dip (measured with a ruler on my graph) at 2250, though it stays parallel for a minuscule 60-80rpm.  If you're talking about at 2600 there is a slight dip, but not discernable while accelerating through that point.  Could some of this be clutch slippage?

[mr_magoo]

Oil pump failure at 18 miles.  HD wanted the dealer to just replace the broken parts.  After mentioning the lemon law HD sent the dealer a new motor overnight.

[Rooster]

I don't see a dip (measured with a ruler on my graph) at 2250, though it stays parallel for a minuscule 60-80rpm.  If you're talking about at 2600 there is a slight dip, but not discernable while accelerating through that point.  Could some of this be clutch slippage?

Ok, sorry just before then. Mine is still there after adding heavier diaphragm spring. My dip is a lot bigger just wondered if you felt the early one. Looks to be about the same as the 2600 one.

[Unbalanced]

That dynosheet looks like you have clutch issues and before you can tell if you have a dip or not you would need to resolve the clutch, wheel slippage or tuning issues that are showing.   

[Rooster]

Listen to Harry, he knows what he is talking about. I'm just another asking questions.

[Unbalanced]

This is the 2nd dyno sheet recently that have shown this.   I hope the tuners are telling folks or calling them as they see this vs just sending them out the door