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Thread: Nitro to Cat cam change

  1. #1
    Senior Member Ehunter's Avatar
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    Default Nitro to Cat cam change

    Anyone know if I can just swap out the cams from the Nitro to the Cats without changing the string set? Limb cracked on my old '09 Firecat, and had to send it back to Martin last year. It came back with Nitro cams on it. I wasn't real pleased, but not worth the fight. Now I am thinking about getting some Cat cams to put back on it. I just like them better than the Nitros. Thanks all!
    2008 Moab 70# The deer killing bow
    2008/12 Firecat 60#--- 2010 Warthog 70#
    2009 Warthog 70#---2009-10-12? Warthog Frankenbow with Nitrous B
    2010 Strother SR-71 65# & 2012 Strother Rush 65#
    2012 Strother SX Rush 60# & 2011 Strother Infinity 70#
    BSD strings and cables

    Yeah, I know I'm grumpy and opinionated.

  2. #2
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    what are the nitro cams. I'm looking for one or two nitro cams in 2.00 with or without modules.

  3. #3
    Senior Member Ehunter's Avatar
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    Honestly, I can't tell what model Nitro's they are. They just say "Nitro" on them, so I'm guessing they would be the first generation Nitro cams. I know they aren't short draw cams, so I'm assuming that would make them Nitro 2.0.
    2008 Moab 70# The deer killing bow
    2008/12 Firecat 60#--- 2010 Warthog 70#
    2009 Warthog 70#---2009-10-12? Warthog Frankenbow with Nitrous B
    2010 Strother SR-71 65# & 2012 Strother Rush 65#
    2012 Strother SX Rush 60# & 2011 Strother Infinity 70#
    BSD strings and cables

    Yeah, I know I'm grumpy and opinionated.

  4. #4
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    I am not up to speed on these latest model cams but I have a 2011 shadowcat I scrunched the lower cam on [bow press let go] so am looking for a replacement .If your cams are the same i would be interested in them. Perhaps someone here might be able to set me strait on this.
    2011 shadowcat
    2006 Razor x
    2001Cougar elte

  5. #5
    Senior Member Ehunter's Avatar
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    I think the 1.5's were the short draw, the 2.0 were standard draw, and the 3.0 were the long draw cams. Hopefully, someone will chime in that knows for sure.
    2008 Moab 70# The deer killing bow
    2008/12 Firecat 60#--- 2010 Warthog 70#
    2009 Warthog 70#---2009-10-12? Warthog Frankenbow with Nitrous B
    2010 Strother SR-71 65# & 2012 Strother Rush 65#
    2012 Strother SX Rush 60# & 2011 Strother Infinity 70#
    BSD strings and cables

    Yeah, I know I'm grumpy and opinionated.

  6. #6
    Super Moderator bfisher's Avatar
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    First gen. Cat cams (2008) were one size with different modules. 2nd gen Cat cams used the same module and came in two different sizes, 1.5 for short draw and 2.0 for longer draw (27-30"). This remained the same till 2010, I believe, until they renamed them Nitro 1.5 and 2.0. In 2013 they were labeled 3.0S for short draw and 3.0L for long draw. All that was done, essentially, was different machining to lighten the cams and relabeling them. They continued to use the same module although the module was refined to reduce cable wear.
    One thing of note is that the older Cat cams used bearings and spacers in the limb fork, whereas later they started installing bearings with a shoulder to eliminate the spacers.

    All my bows are Rytera which have Hybrix cams which are just Cat/Nitro cams rebadged. Mine are the 1.5 size and are labeled such.
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  7. #7
    Senior Member wscywabbit's Avatar
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    Right, although the cams (Cat, Nitro, and derivatives) got lighter and more efficient, the basic geometry stayed the same or pretty close didn't it? So the power curve and draw cycle isn't very different from one to the next I would assume....
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    2011 Onza 3: 70#, 28.25 draw (AMO), 384 gr arrow, 288 fps
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  8. #8
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    thank you gents.These cams which I've been told are 2.0 have Nitro on them plus the bottom cam with draw stop slot has what looks like 60 on it and the top cam which I cant read properly due to being partly behind limb starts with 6 and seems to end in rs. I can not see any sign of 1.5 or 2.0 etc marked on them but they do have a draw length of 32'' I believe.thanks again for any help.
    2011 shadowcat
    2006 Razor x
    2001Cougar elte

  9. #9
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    001.JPG002.JPGcouple shots here of my cams Eric just to make sure they are the same. I will send you a PM
    2011 shadowcat
    2006 Razor x
    2001Cougar elte

  10. #10
    Sonny Thomas
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    One change from the 2009 cams to the cams you have now is the re-location of the cable post. Older had the post on the edge of the cam.

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