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TP to S&S Conversion . Have you...

Discussion in 'Motor' started by francoblay1, Feb 27, 2015.

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TP to S&S Conversion

  1. My bike came with S&S

    45 vote(s)
    45.0%
  2. Yes, I did the conversion

    15 vote(s)
    15.0%
  3. No, I am still with the TP

    36 vote(s)
    36.0%
  4. Why should I do the conversion ???

    6 vote(s)
    6.0%
Multiple votes are allowed.
  1. Lorenzo

    Lorenzo Active Member

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    I have a 600 cam. You should try it, awesome!
     
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  2. Olde Man

    Olde Man Member

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    I put the spacers in when I installed a 600 cam. I pulled the jugs to cut the bases to get the compression to 12.2 so the heads were off. That effectily made my pushrods .060 longer and I did not use lash caps. I know you are saying they are adjustable push rods so what is the worry. When I did my first prototype I made it .200 thick and with travel limiters in lifters the there was not a lot of thread engagement on the adjustable push rods. The .100 worked better for the geometry anyway.
     
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  3. john sachs

    john sachs Active Member

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    You ran 12.2:1 compression with the S&S .600 cam ? What gas are you using ?
    If you raised the rocker box .100", what thickness lash cap were you thinking of using ?
    John
     
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  4. Olde Man

    Olde Man Member

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    My bad on the compression ratio. It is 10.2 to one. I did this 01/27/10 and I got my motors mixed up. The 12.2 was the car in my avitar and I ran it on racing fuel then converted it to run on E85. I have never used a lash cap but when I was running out of push rod threads I was thinking of something like a .080 cap. When I went to the .100 spacer instead of the .200 it was ok. Did the E85 thing ever happen in the street bike world?
     
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  5. john sachs

    john sachs Active Member

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    Good, glad you figured it out.
    If you had used a .080" lash cap, that would have been the same (geometry wise) as reducing the thickness of your spacer by .080".
    I don't know of any bike builders messing with E85 .
    John
     
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  6. francoblay1

    francoblay1 The Spaniard

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    and two years later...
     
  7. IRONHEAD

    IRONHEAD Member

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    Ive got a 06 k9 that has the TP boxes on it and Ive had zero problems with them, but, I dont have a ton of miles on the bike.
     
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  8. john sachs

    john sachs Active Member

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    Another 1 bites the dust. You can lead a horse to water, but you can't make him drink.
    You can't fool geometry. If you don't think you have a problem, sooner or later you'll get bit in the ass with TP rocker boxes on S&S heads/engines. I've had owners tell me their bike is running great, and when I take it apart for the mods they want, I discover valve train problems. Here's the latest 1 to come in. I think the owner said it had 50,000 miles on it.
    John
    These parts came in 2 weeks ago for mods.
     

    Attached Files:

    #68 john sachs, Apr 13, 2018
    Last edited: Apr 13, 2018
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  9. BWG56

    BWG56 Guru

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    Not good

    [​IMG]
     
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  10. francoblay1

    francoblay1 The Spaniard

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    P5240615.JPG P5240618.JPG
     
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  11. john sachs

    john sachs Active Member

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    In the works.
    John
     

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