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[DEB]

Bear asked me to post his dyno runs for him:
Run #111 is the CVO-253 cam tuned with the SE Race Tuner.
Run #101 is the SE-211 cam installed but not tuned.
Run # 201 is the SE-211 cam tuned with the SE Race Tuner.
He used the SE-211 because it can be installed without pulling the heads.  I think there is more to be found with a larger lift cam like the SE-251, or 257, and a .030" Cometic head gasket, but it the heads would have to come off and all the valve clearances checked.
You can see the SE-211 was too lean and it lost power without being tuned. Tuned the A/F line is right at 13.3 to 1.

[BEAR]

THE 211 CAMS ARE ALMOST THE SAME AS THE STOCK CAMS IN THE 103 SE JUST A TAD SMALLER IN FACT. WITH PROPER TUNNING YOU SHOULD HAVE NO  PROBLEMS IN TRAFFIC OR AT LOW RPM.

[kbiforce]

I'm not trying to be difficult or a smart***, but did anyone ever find out what the factory cam specs were? Are they the same as the 103" kit in the catalog? If they are would some one please post the specs. I would like to add a little power to mine since my brother -in -laws Heritage keeps up to me now. How much of a compression increase would the Cometic .030 gaskets get me? Thanks in advance.

[MAS]

THE 211 CAMS ARE ALMOST THE SAME AS THE STOCK CAMS IN THE 103 SE JUST A TAD SMALLER IN FACT. WITH PROPER TUNNING YOU SHOULD HAVE NO

[DEB]

 I have the some of the specs for the CVO-253 cam but they are at the house, had to beg to get what I got..... I know the lift is .530", which is .022" (point gap for a Panhead)more then the SE-211. Difference is all in the timing, remember the CVO-253 is EPA legal and it is the cam in all the SE 103" bikes and the 103" kits.
As for who suggested the cam change, that would be me. I pulled the front head to see how big a cam could be installed without doing anything else. The problem is clearance for the valve seal, min spec is .080", would have been down to .026" with the SE-251 on the front exhaust. I've used the SE-211 before in a 103" with 9.8 to 1 compression, awesome bottom end right where you ride 98% of the time!
I'm guessing here: a .030" Cometic gasket would bump compression 1/4 to 1/2 point? One would have to cc the heads to kown the correct answer. I'm thinking any increase would be a plus. In my opinion the SE-251 would be the logical choice once all the valve clearances were set, the SE-257 likes compression and raising the compression is a liitle more difficult in this motor then a normal TC-88 because of the hemi combustion chamber.
Final question; I used the stock pushrods because I had both rocker boxes off and the base circle from the CVO-253 to the SE-211 is only .020" difference. I'll throw a set of adjustables at it if BEAR complains about valve train noise when hot.
The weather here has been rain and more rain, so he hasn't been able to put any miles on it, he has a nice surprice waiting for him.

[mr_magoo]

Well at long last I can post my dyno sheet bfor the work done at Freedom cycle in Reno.

[Loose_Goose]

Magoo, those are awesome numbers!  I just received my Freedom pipes and Powercommander today.  I will have the dealer install them on Saturday.  I hope those are the same numbers I get.

[DEB]

 CVO-253 specs: .530" lift, duration 239  both intakes / 256 front exhaust, 255 rear exhaust. Must have a slight timing difference from front to rear cylinder? I asked for the opening and closing specs.... felt lucky to get this much!
In case anyone is wondering why I call them 'CVO'; the cams are stamped CVO-253.

[110tHunDer]

Well at long last I can post my dyno sheet bfor the work done at Freedom cycle in Reno.

Good peak numbers, Magoo, but I wonder what's going on between 2,000 and 3,000 rpm?  No gain whatsoever over stock in that range. [smiley=nixweiss.gif]

[MAS]

... Difference is all in the timing, remember the CVO-253 is EPA legal and it is the cam in all the SE 103" bikes and the 103" kits.  

DEB,

 Thanks for the info you have been quite helpful. I am going to pass your post and Bears' dyno sheet on to my tech so he can know what he is working with in my engine. He is sharp I just think he has had limited exposure to the 103 and does not have specs on the heads or cams. I think he will now feel more comfortable recommending a cam. The parts guys kept telling me to go with a 257 or 258 but I kept telling them that the heads on my bike were not set up for those cams, and when I questioned them about the 211's they said my engine was too big as they should go on a 95 build. I think, no I know, that there is a lot of misconceptions about these 103's.
 I think the 211's will be the ticket as I want to keep the warranty in tact and keep the cost down. Otherwise, I would do headwork, change to forged pistons and put a set of big fat gear driven cams in [smiley=laugh.gif].

Thanks again,

Mark

[mr_magoo]

103thunder I like the fact that it didn't change below 2500-3000 makes the bike very rideable at rush hour speeds in heavy traffic,  but when you get on it it hauls ass just like I wanted.  Loose Goose your #'s should be close Brad does a great job,  but that being said all bikes a slightly different.  Look forward to you posting the dyno sheet.

[JCZ]

103thunder I like the fact that it didn't change below 2500-3000 makes the bike very rideable at rush hour speeds in heavy traffic,

[mr_magoo]

I did JC go back to page 12 at the bottom.  Its like 7 post back.

[JCZ]

I did JC go back to page 12 at the bottom.

[mr_magoo]

Thanks JC,  But you got to keep up on this stuff.  Kidding a side what did you think of the dyno sheet they do a good job the only dip is low enough thet you don't notice it.