95ci Big Bore cam ???
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Cruiser
Joined: Aug 2007
Posts: 118
Likes: 0
From: Lake Stevens Wa
95ci Big Bore cam ???
Just finished my 95ci upgrade about a month ago on my 06 ultra. Not to impressed, Now the question is are my cams not working with these changes. First a little run down on what was done. Prior to this the bike was stock 88 with stage 1 upgrade se air cleaner, old style se ll slipons, true duels and PC lll, Then added the 07 style cam plate & oil pump with Andrews 21n cams. This worked great with added torque. Now to the present. Bored cylinders, SE flat top pistons port&polished stock heads new valves & springs, .030 head gasket, SE adjustable push rods used same 21n cams, 190psi ccp no other changes. After break in had it tuned 75hp & 90tq not to impressive. Any suggestions would be appreciated.
Seasoned HDF Member
Joined: Nov 2010
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From: Oxford, Nc
Yeah, I'm certain its the cams. Even w/o the head work, my similar 95" puts out 85 HP with just Andrews 26's installed. Since you've got head work, I suspect that you need more cam than even that. There'll be guys with recent headwork chiming in to give you the latest and greatest options on that front.
Tourer
Joined: Mar 2013
Posts: 347
Likes: 5
From: Corpus Christi, Texas
Yeah. It's the cam. That 21 runs great with stock compression to just a bit higher. What's your compression ratio now? It should be up around 10.5 judging by your head work and pistons. If that's the case you would see much greater increase with another cam. I had my jugs bored to 98" on my 06 ultra and had the Pistons matched and it sits at 9.6:1. Scott from Hillside cycle told me that's where my andrews 26 cams would really shine but if I bumped the compression any more I would need a beefier cam.
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Thread Starter
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Cruiser
Joined: Aug 2007
Posts: 118
Likes: 0
From: Lake Stevens Wa
Yeah. It's the cam. That 21 runs great with stock compression to just a bit higher. What's your compression ratio now? It should be up around 10.5 judging by your head work and pistons. If that's the case you would see much greater increase with another cam. I had my jugs bored to 98" on my 06 ultra and had the Pistons matched and it sits at 9.6:1. Scott from Hillside cycle told me that's where my andrews 26 cams would really shine but if I bumped the compression any more I would need a beefier cam.
Tourer
Joined: Mar 2013
Posts: 347
Likes: 5
From: Corpus Christi, Texas
I definitely understand that. Keep the power where you use it. You will get it all sorted out soon. I've heard great things about the 48 but can't speak from experience. The 57s are really popular with the 103s and might be good with your engine work.
who did the engine work for you?
who did the engine work for you?