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  • 1 Post By donmcgowen

Thread: Crane 118131 - 242/252 .580/.600 mechanical roller
          
   
   

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  1. #1
    donmcgowen is offline CHR Member Visit my Photo Gallery
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    Crane 118131 - 242/252 .580/.600 mechanical roller

     



    I have this cam for sale. I was inserted into the motor, but has never been run. So basically it is unused. This cam sells for $440 at Summit, I'm asking $325 and I'll pay shipping. Here is a link to the cam.

    You can email me at donmcgowen@hotmail.com or text to 630-947-2562

    http://www.summitracing.com/parts/crn-118131[/url]
    vara4 likes this.

  2. #2
    Deuce4dad is offline CHR Member Visit my Photo Gallery
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    Are you sure you can't use this cam with the build you are doing? I think I would be checking with Crane techs and the engine builders on this forum before giving up on this cam.

  3. #3
    donmcgowen is offline CHR Member Visit my Photo Gallery
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    You know Deuce, I originally thought I could get away with this cam, and I probably could use it, but I don't think it's ideal for my my motor. I think this is a cam for a 500-550hp bracket race motor that runs at 4500-7500 rpm. I'm more at 2500-6500 rpm and the lobe separation at 106 is probably a bit lopey for a street car. I don't know, I'm tempted to use it, but, I think I should downgrade to a 232@.540" roller or flat tappet cam. I know enough to be dangerous but not enough to know what I'm doing. lol

  4. #4
    Deuce4dad is offline CHR Member Visit my Photo Gallery
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    Just as a comparison, my 400 is a street only engine with TH400 and both a 3.25 and 3.89 rear gear sets. I have the Isky 234/242 duration with .520/.540 lift on 110 lobe separation. It has just enough lope to really sound good. This engine was built as a mild street, stop light to stop light engine. My best friend drag races a 400SBC (drag race only) and runs a cam in the 260/270 duration range and 106 separation. The roundy round guys run mid 240's/250's on 108-110 separation in 350's that just don't have the low end torque the 400 has. Maybe some of the 400SBC engine builders will add their two cents worth also. Keep in mind that valve lash drops that total lift figure down some, the 400 stroke can handle smaller lobe separation than 350's, and lower compression engines with long duration cams can benefit from advancing the cam. iF YOU GO FLAT TAPPET, CAM BREAK IN IS A PAIN. I LIKE ROLLER CAMS

  5. #5
    donmcgowen is offline CHR Member Visit my Photo Gallery
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    Yeah, I know this cam is a little much for the motor I'm building, but I do think it's still usable, although not ideal. If can't get rid of it maybe I'll just keep it and give it a shot. I can always pull it if it runs that bad. But 242/252 duration is not that out of line so I think with a 3500 stall and 4.11 gears it may be doable. This is a very expensive cam and I would hate for it to go to waste or sell it for a fraction of what I paid for it.

  6. #6
    rspears's Avatar
    rspears is offline CHR Member/Contributor Visit my Photo Gallery
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    Post deleted.
    Last edited by rspears; 02-16-2015 at 11:03 AM.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

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