top end build
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Tourer
Joined: May 2009
Posts: 435
Likes: 1
From: St. George, Utah
top end build
I have 42000 happy miles on my ultra as fitted in my signature below. now I am looking to go from the 96 to the 103 with the SE value performance heads. I will use the SE tappets and change to tapered adjustable rods.
I have seen that the 48H cam is used in 103 engines, but I will have a bit better compression with the heads installed. I ride mostly two up and ride in the mountains. torque is important. The 48h in my 96 is filling that need famously. I love it. I have heard speak of the 57H but not sure its needed.
I am looking to have dealer install this and warranty the build. They have an aversion to using any cam other than there own, so I put in my 48H and they can leave in alone and do the build.
Any thoughts? I built up my 96 fronm this forum, I do value your educated opinions.
Thank you in advance .
I have seen that the 48H cam is used in 103 engines, but I will have a bit better compression with the heads installed. I ride mostly two up and ride in the mountains. torque is important. The 48h in my 96 is filling that need famously. I love it. I have heard speak of the 57H but not sure its needed.
I am looking to have dealer install this and warranty the build. They have an aversion to using any cam other than there own, so I put in my 48H and they can leave in alone and do the build.
Any thoughts? I built up my 96 fronm this forum, I do value your educated opinions.
Thank you in advance .
Elite HDF Member
Joined: Jul 2008
Posts: 4,741
Likes: 45
From: Indian Land, SC
I have 42000 happy miles on my ultra as fitted in my signature below. now I am looking to go from the 96 to the 103 with the SE value performance heads. I will use the SE tappets and change to tapered adjustable rods.
I have seen that the 48H cam is used in 103 engines, but I will have a bit better compression with the heads installed. I ride mostly two up and ride in the mountains. torque is important. The 48h in my 96 is filling that need famously. I love it. I have heard speak of the 57H but not sure its needed.
I am looking to have dealer install this and warranty the build. They have an aversion to using any cam other than there own, so I put in my 48H and they can leave in alone and do the build.
Any thoughts? I built up my 96 fronm this forum, I do value your educated opinions.
Thank you in advance .
I have seen that the 48H cam is used in 103 engines, but I will have a bit better compression with the heads installed. I ride mostly two up and ride in the mountains. torque is important. The 48h in my 96 is filling that need famously. I love it. I have heard speak of the 57H but not sure its needed.
I am looking to have dealer install this and warranty the build. They have an aversion to using any cam other than there own, so I put in my 48H and they can leave in alone and do the build.
Any thoughts? I built up my 96 fronm this forum, I do value your educated opinions.
Thank you in advance .
Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
First I would not run 48s in a 103 with some compression. Your compression and heads will dictate cam choice. I'm not much of a fan of SE heads but if your dealer warranty is really important to ya and ya need to stick with SE parts, some 10-1 cast pistons, .030 gaskets, have your heads cnc ported, 204 cams with high ratio rockers would be a decent touring economy build. Of course there are lots of great shops that can put a nice warrantied 107 combo together for ya that would smoke that in both HP and $s. That said, I'm pretty happy with my cheap build, SE cast pistons and Andrews 54s with stock heads. Planning is the key!
Last edited by 0ldhippie; Jan 23, 2014 at 06:23 PM.
Road Captain
Joined: Jul 2012
Posts: 687
Likes: 1
From: Texas
If I was to upgrade my 96, I would go to at least a 107. Your not going to gain much with the 103. I would also try some cams (TW-222) first. They may give you the get up and go and the torque your looking for and will be a lot easier on your wallet. Just my two cents...
Thread Starter
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Tourer
Joined: May 2009
Posts: 435
Likes: 1
From: St. George, Utah
First I would not run 48s in a 103 with some compression. Your compression and heads will dictate cam choice. I'm not much of a fan of SE heads but if your dealer warranty is really important to ya and ya need to stick with SE parts, some 10-1 cast pistons, .030 gaskets, have your heads cnc ported, 204 cams with high ratio rockers would be a decent touring economy build. Of course there are lots of great shops that can put a nice warrantied 107 combo together for ya that would smoke that in both HP and $s. That said, I'm pretty happy with my cheap build, SE cast pistons and Andrews 54s with stock heads. Planning is the key!
I am trying to plan too so that is why I put up this post, to get input. Thank you for yours.
I changed the 96" to SE103 flat top pistons, S&S 551 easy-start cam, SE adjustable push rods, had the stock head ported and larger valves & springs, cut stock rock-box to fit the exhaust spring, replaced ECM with Zipper Auto Tune wide band o2 sensors. It's set up for low compression 9.5 to 10.x1, the power is strong & smooth to 5500 rpm It fit the ticket for me.
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