woods 555 vs se204 cams

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Aug 9, 2011 | 05:28 PM

#11

GAZRNR

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Joined: Sep 2009

Posts: 80

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From: Atlanta, GA

+1 on the Fueling 525...took out the TW6-6, installed the 525 and got exactly what I was looking for. The woods do pull harder but take more RPMs & fuel

Aug 9, 2011 | 05:51 PM

#12

Mike

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Joined: Jun 2009

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From: Centralia, Wa

Quote:

Originally Posted by Coolhawg6622

I am going with 204's as well............I put 255's in and hate em.....they are dead by 4000rpm....good thing they were free.

What about changing the rocker arms for a little more lift?? worth it?

I've got the 204s and 1.725 SE rockers in my 103 bike. No clearance problems with the stock flat tops and stock heads. Theoretically, the high ratio rockers should be good for an additional 3-4 hp/tq. I didn't run the cams without the rockers, so couldn't speculate whether or not they made a noticible difference.

Aug 9, 2011 | 05:57 PM

#13

Pork-Chop

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Joined: Mar 2008

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From: Cali

Quote:

Originally Posted by lionsm13

I'm puttin' in Feuling 525's. They are supposed to hit at 1800 and go to 5800.

that sound like a winning combo right there....when are you doing this?

thanks

Aug 9, 2011 | 06:15 PM

#14

6 gun

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Joined: Mar 2008

Posts: 9,384

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From: Central Texas

Have you concidered the SE 254e cams?
I'll tell you what go here and read up on
SE cams http://www.harley-davidson.com/wcm/C...bmLocale=en_US

Aug 9, 2011 | 08:27 PM

#15

djl

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Joined: Jun 2006

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From: san antonio

Quote:

Originally Posted by boogaloodude

There are no clearance issues with stock heads. The cam was intended for stock configurations; different story if heads are decked.

The higher lift will show up on a dyno if the heads are ported. IIRC, 204 lift is .508" and stock head flow flattens out at .500" but ported heads will flow to .600", or at least they should.

4HP/TQ for $138; that's about $35 per; not a big absolute gain but pretty cost effective compared to the cost of other upgrades in terms of $$/HP-TQ.

Aug 9, 2011 | 08:45 PM

#16

RK14SGS

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Joined: Jul 2009

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From: SC

To the OP, according to my cam calculator, the 204 pwerband begins at 2500, and TW555 begins at 3000. This is according to grind specs. Now, in actual install with all components considered, the rise of the torque curves would pretty much be neck and neck...