cams for 2004 S/E Deuce
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Cruiser
Joined: Apr 2008
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cams for 2004 S/E Deuce
Anyone have any suggestions on what I can get away with for the S and S gear drive cams and still use the stock 2004 screamin eagle heads and valve train? I dont want to have the heads cut if possible or any reworking....i beleive that I will have to have some case mods done for the gear drive.......
Any help appreciated
Any help appreciated
R.I.P. BROTHER
Joined: Dec 2008
Posts: 3,076
Likes: 6
From: Colorado Springs
Lots of choices out there dependent on your riding style, future mods, and power delivery preferences.
Is this work you plan on doing yourself or do you have a local motor builder in mind?
Typically the local indy motor builders have a few different builds that they are comfortable with and can guess what type of numbers it will do after the build is done. If you are having a local Indy do your build call around see what they have been having good results on the dyno without headwork.
Dont make gear drive a mandatory must have. The newer Hydro tensioners from Moco have several distinct advantages especially when done on an older bike.
Is this work you plan on doing yourself or do you have a local motor builder in mind?
Typically the local indy motor builders have a few different builds that they are comfortable with and can guess what type of numbers it will do after the build is done. If you are having a local Indy do your build call around see what they have been having good results on the dyno without headwork.
Dont make gear drive a mandatory must have. The newer Hydro tensioners from Moco have several distinct advantages especially when done on an older bike.
Make sure you measure crank run out before putting the gear drives in. I cannot remember off the top of my head what the "limit" for runout is, but it is important. You bolt some andrews gear drives right in. I don't think you will need any case mods for just cams.
R.I.P. BROTHER
Joined: Dec 2008
Posts: 3,076
Likes: 6
From: Colorado Springs
crank runout must be less than .003
.002 or less is preferred
No reason to do gear driven cams with the new Hydro tensioners from Harley. To many potential issues with gear lash, whine and losing an oil pump that can easily be avoided with the Hydro units that can still function well even with crank runout issues.
Seems as if the gear driven cams are what has made slight crank runout a bigger issue than ever. Failures on the Hydro units are almost unheard of.
.002 or less is preferred
No reason to do gear driven cams with the new Hydro tensioners from Harley. To many potential issues with gear lash, whine and losing an oil pump that can easily be avoided with the Hydro units that can still function well even with crank runout issues.
Seems as if the gear driven cams are what has made slight crank runout a bigger issue than ever. Failures on the Hydro units are almost unheard of.
Club Member
Joined: May 2007
Posts: 145,895
Likes: 821
From: 40 miles Northeast of Indy..
Ur 04 don't have the new Hydro tenisioners unless U have upgraded. 07 1st yr for that.
but u can put them in if U want and still use chain cams, up to U.
Its one of the hardest question to answer! to tell anyone what cam to use.
I spent months studying cams and learning which ones does what and where in the RPM range. You can throw a lot of different cams in a motor and either love it or hate it...
But if u study and try to find one for Ur style of riding, plus what U will do now or plan to do later to Ur motor as it makes a big difference on any decision of what cam to use.
also what motor U have (88", 95"), what gear ratio U have, where do U spend most of riding time (RPM's), how heavy is Ur bike, single or 2 up most of the time...
When U answer All or most of these question, then it will help U to pick the one that does the most for Ur bike, and it should be the one U will be happy with.
There is no one cam that does it all for all bikes and builds. just aint gonna happen.
Do some reading and study the cams specs.
If U learn what grind is meant to be used in certain conditions, then U wil know what
the following means
*The lift;, *Intake and Closing of the (intake & exh);, *Duration;, *Overlap;. *LSA;, *Lobe Center;,
U can sometimes just get the popular cam of the year, and it will probably work some what, but do Ur homework and U may not wish later that U had put in something else...
but u can put them in if U want and still use chain cams, up to U.
Its one of the hardest question to answer! to tell anyone what cam to use.
I spent months studying cams and learning which ones does what and where in the RPM range. You can throw a lot of different cams in a motor and either love it or hate it...
But if u study and try to find one for Ur style of riding, plus what U will do now or plan to do later to Ur motor as it makes a big difference on any decision of what cam to use.
also what motor U have (88", 95"), what gear ratio U have, where do U spend most of riding time (RPM's), how heavy is Ur bike, single or 2 up most of the time...
When U answer All or most of these question, then it will help U to pick the one that does the most for Ur bike, and it should be the one U will be happy with.
There is no one cam that does it all for all bikes and builds. just aint gonna happen.
Do some reading and study the cams specs.
If U learn what grind is meant to be used in certain conditions, then U wil know what
the following means
*The lift;, *Intake and Closing of the (intake & exh);, *Duration;, *Overlap;. *LSA;, *Lobe Center;,
U can sometimes just get the popular cam of the year, and it will probably work some what, but do Ur homework and U may not wish later that U had put in something else...
Last edited by oct1949; May 12, 2009 at 11:37 AM.
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