SE 103 Kit compression question
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Cruiser
Joined: Mar 2016
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From: chelmsford, MA
SE 103 Kit compression question
So I just bought a SE 103 BBK comes with the 10.0-1 comp flat top pistons and SE 103 jugs. I got a smoking deal on the kit brand new and i really wanted 10.5-1 compression when i did the kit. My question is what can i do to bump up the compression closer to the 10.5-1. Im going to have my stock heads worked and the rest of the mods on the bike are in my SIG.. Any input greatly appreciated. Also what would you guys recommend for a cam upgrade from the 254e's. I mostly do 1-up riding and like to go fast haha
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Cruiser
Joined: Mar 2016
Posts: 102
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From: chelmsford, MA
ended up buying a set of new SE PRO Kompressor Heads that have been CNC ported so that'll bump the compression up to 10.5:1. Now just have to find someone to install it all. The cam install wasn't bad but I don't know if I trust myself to do the whole top end lol
Ultimate HDF Member
Joined: Jun 2009
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From: OH
The static compression numbers by themselves don't tell you the whole story. CCP values are what you should be mindful of. The intake close on the cam with your heads and pistons and gaskets. I would ask this question in the engine section. You don't want your CCP higher than 200 for a street motor unless you are willing to put up with a heat soaked hard to tune ping monster. You can run the numbers through big boyz CCP calculator if you know the cc's of those heads.
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twism_23
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Nov 16, 2012 03:07 PM
