what is the
Outstanding HDF Member
Joined: Oct 2009
Posts: 2,639
Likes: 2
From: Scottsboro
CV = Constant Vacuum
Road Warrior
Joined: Mar 2007
Posts: 1,396
Likes: 146
From:
The Keihn (sp) CV carb came stock on Haleys for a long time, from around 1988-89 until the last carbed bikes were offered, in 2006. They work very well on stock and mildly modified Bikes. S&S is an aftermarket company that sells after market carbs. In my opinion the S&S carb offered improved performance in the 70's and early 80's over the stock carb on even stock bikes. On late model bikes it's hard to beat the CV. There are a lot of free flow air cleaner options out there for both. The Screamin' Eagle is hard to beat on the stock CV, and the S&S teardrop set up is great on their carb.
Ultimate HDF Member
Joined: Oct 2007
Posts: 5,257
Likes: 6
From: Leander Texas
lots of good carb info here
http://www.harley-performance.com/ha...ance-blog.html
http://www.harley-performance.com/harley-tech-tips.html
http://www.harley-performance.com/ha...ance-blog.html
http://www.harley-performance.com/harley-tech-tips.html
Road Master
Joined: Aug 2008
Posts: 816
Likes: 10
From: Southern, MD
Cv carbs dont have an accelerator pump for one, but aftermarket's do. Aftermartket has alot more tuning that can be done vs. a stk carb. I put a s&s super e on my stk 88", (except pipes and air cleaner. Ive had no problems with my s&s except for dirty fuel in the bowl but thats an easy fix and that was my fault dame aviation fuel lol.
Outstanding HDF Member
Joined: Aug 2008
Posts: 3,078
Likes: 6
From: Michigan
Cv carbs dont have an accelerator pump for one, but aftermarket's do. Aftermartket has alot more tuning that can be done vs. a stk carb. I put a s&s super e on my stk 88", (except pipes and air cleaner. Ive had no problems with my s&s except for dirty fuel in the bowl but thats an easy fix and that was my fault dame aviation fuel lol.
Road Master
Joined: Aug 2008
Posts: 816
Likes: 10
From: Southern, MD
Yea but it likes it so much. I dont fill my tank with it just put 2 gallons, then fill up with 93 octane. Just has alot of additivies in it.
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Ultimate HDF Member
Joined: Oct 2007
Posts: 5,257
Likes: 6
From: Leander Texas
Cv carbs dont have an accelerator pump for one, but aftermarket's do. Aftermartket has alot more tuning that can be done vs. a stk carb. I put a s&s super e on my stk 88", (except pipes and air cleaner. Ive had no problems with my s&s except for dirty fuel in the bowl but thats an easy fix and that was my fault dame aviation fuel lol.
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Ultimate HDF Member
Joined: Oct 2007
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From: Leander Texas
http://www.sscycle.com/modules/catalog/