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New heads......

Discussion in 'Motorcycle Tech Talk' started by Tommyc, Jun 27, 2011.

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  1. Tommyc

    Tommyc Active Member

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    Do you have personal experience with them?
    Do you think it's worth the $175?
    Tommyc, Jun 29, 2011
    #21
  3. hotroadking

    hotroadking Super Moderator Staff Member

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    Yes, I had them on my super E on my 95 and 116,
    the trick is to also put in the adjustable air bleed, which is basically
    a CV/Mikuni Jet that is externally mounted to allow a tuner
    to set when the carb moves from pilot to main, it's key
    to getting the jets correct because the way an SNS
    transitions, there is no needle jet (Needle in the main that comes up) like on a CV
    carb, so you get the full effect of the main when you hit a specific RPM
    helping get the AFR right, and if you delay the main you can
    help improve fuel mileage and still have power.
    hotroadking, Jun 29, 2011
    #22
  4. Tommyc

    Tommyc Active Member

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    I have my bike running great but I'm not sure I can tune that well to do all the stuff you are talking about. I would prolly have to take the bike to a dyno tuner. About how much do they charge? There's one down the street, Dirty White Boys Racing. harleys only.
    Tommyc, Jun 29, 2011
    #23
  5. viking

    viking New Member

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    Just a thought when buying your heads an extra plug hole will run you about a hundred bucks more in case you ever want to go to dual plugs. in the mean time you can just keep an old sparkplug in the extra hole until you get the ignition set up.
    viking, Jun 29, 2011
    #24
  6. Tommyc

    Tommyc Active Member

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    Thanks Viking, the STD heads are ported and flowed and already set-up for dual plugs and 3 5/8" bore and 3 bolt exhaust flanges. $1,600 is what they cost me.
    They should run great.
    Tommyc, Jun 29, 2011
    #25
  7. chucktx

    chucktx Moderator Staff Member

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    yes you did.........was backin ya up............:)
    chucktx, Jun 29, 2011
    #26
  8. hotroadking

    hotroadking Super Moderator Staff Member

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    LOL yeah, I got the backup !

    It's not hard to jet the carb, there are a few steps
    you can do yourself, and Sachs could probably setup
    the carb close from the get go....
    hotroadking, Jun 29, 2011
    #27
  9. chucktx

    chucktx Moderator Staff Member

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    sounded like he may have missed your post or something............:)
    chucktx, Jun 29, 2011
    #28
  10. Lucifer

    Lucifer Well-Known Member

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    Big Boyz have a ton of info on their website....pretty good at head porting too;)...here's how to calculate for the unknown adjustable pushrod...

    How To Adjust Pushrods - Big Boyz Head Porting
    Lucifer, Jul 1, 2011
    #29
  11. Tommyc

    Tommyc Active Member

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    Is there a way to measure the lift of my cam without removing it from the bike?
    Can I just measure the distance of the lifter travel?
    Tommyc, Jul 5, 2011
    #30
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