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  1. #1
    Registered User BS90's Avatar
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    Question bad cams, worth saving?

    Hey all,

    Rebuilding my head and discovered a little surprise and was wondering what peoples opinions are. Its a 1g head and the cams are hks 272s. Below is a picture detailing the severity. One thing to note, when I run my finger nail on the cam journal it can clearly be heard. The location is intake and exhaust, (yes, both cams for some reason) above cylinder 1. I don't know how long i've been running it like that since it was bought used. One thing I do know is i've never seen sparkley oil. Thanks in advance.



  2. #2
    Moderator EaglesFly's Avatar
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    I know of one shop down here that can fix them. One our members has had it done with awesome results. There is a thread on the forum here about it with pictures, I believe it was DamnDSM
    10.183@140.27 FULL Street Talon w/PS AND FULL EXHAUST.
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  3. #3
    Moderator EaglesFly's Avatar
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    Here is the thread.
    10.183@140.27 FULL Street Talon w/PS AND FULL EXHAUST.
    www.dsmregistry.com/5

  4. #4
    Stage V Member boostedeagle's Avatar
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    go with stacys idea and save them, those cams have great performance!

  5. #5
    Traction? No thanks. vr4scott's Avatar
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    It's definately worth a shot, I'd find out how much it's gonna cost to fix them.
    Bombing for peace is like fucking for virginity.

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  6. #6
    Savior Self damnDSM's Avatar
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    I don't remember how much I paid to save the set of 272's but my old thread says "$201" I had to have them welded with "a2" welding rods by someone with a good idea of how high to build the beads, and skill. The machinist I took them to gave most of the credit to my buddy who welded them (Mike Vig at realstreetperformance) idk if he is taking on little jobs anymore.

    After he built up some material on the journals, I took them too Dennis @ "Auto Machine" downtown (IIRC) and they did a great job measuring and cutting them. I wouldn't feel comfortable having anyone else take on a project like this. The end result was very good.

    They definitely look like they can be repaired but take them to your machinist BEFORE you have the welded. Have them measure between the cam journals to insure they aren't warped.
    Last edited by damnDSM; January 26th, 2011 at 02:38 AM.

  7. #7
    Registered User BS90's Avatar
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    Great Info stacy! I will definitely look into the info given on here. It looks like mine are in better condition than the ones posted in the other thread so that makes me excited about doing this. Thanks everyone, I'll post up pics and the story once it happens.

  8. #8
    Stage V Member boostedeagle's Avatar
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    hey bs90 u still thinking about the beehives?

  9. #9
    Registered User BS90's Avatar
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    pm sent

  10. #10
    Registered User BS90's Avatar
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    @damnDSM: Hey did you have to get a new head with those cams? The surfaces on my head and cam caps don't look too bad but there are scratches visible. I'm just worried that if the bearing surface isn't right it'll just eat the cams again.

  11. #11
    Stage V Member boostedeagle's Avatar
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    call me bs90 as soon as you can

  12. #12
    Your #1 Dealer DSMDealer's Avatar
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    Quote Originally Posted by BS90 View Post
    @damnDSM: Hey did you have to get a new head with those cams? The surfaces on my head and cam caps don't look too bad but there are scratches visible. I'm just worried that if the bearing surface isn't right it'll just eat the cams again.
    Short answer is yes. Your head will need to go to a machine shop and be checked including cam journal sizes.
    http://www.dsmregistry.com/3
    Even God says we should bear arms. Luke 22:36 And He said to them, "But now, whoever has a money belt is to take it along, likewise also a bag, and whoever has no sword is to sell his coat and buy one.

  13. #13
    Savior Self damnDSM's Avatar
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    Quote Originally Posted by DSMDealer View Post
    Quote Originally Posted by BS90 View Post
    @damnDSM: Hey did you have to get a new head with those cams? The surfaces on my head and cam caps don't look too bad but there are scratches visible. I'm just worried that if the bearing surface isn't right it'll just eat the cams again.
    Short answer is yes. Your head will need to go to a machine shop and be checked including cam journal sizes.
    yyyup.

    I got the cams from a friend, but I remember him saying that his head was damaged. If the hard steel is marred up, you can count on the cast aluminum cam journals to be scored too.
    [I]Proofreading is of the the utmost impotence.[I]

  14. #14
    Registered User BS90's Avatar
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    Image of matching journal bearing surface on head.

    Nothing is impossible, it just hasn't been done yet.

  15. #15
    Your #1 Dealer DSMDealer's Avatar
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    ^ JUNK. You need a new head.
    http://www.dsmregistry.com/3
    Even God says we should bear arms. Luke 22:36 And He said to them, "But now, whoever has a money belt is to take it along, likewise also a bag, and whoever has no sword is to sell his coat and buy one.

  16. #16
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    I agree, that head is junk.

  17. #17
    Stage IV Member 6bolt2g's Avatar
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    Bah, save some cash, just run straight 50 weight or some nice thick gear oil. You'll be fine. =D The head I have in my garage isnt that bad, but it probably needs a valve job and some exhaust manifold bolts helicoiled. Didn't you say the valve springs looked like they were aftermarket? I wonder if they had some of the valve preloads wrong or something?
    "You could add a quart of Roundup to the oil and drive around the neighborhood killing all the joggers and crabgrass."

  18. #18
    Registered User BS90's Avatar
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    lol, gear oil....anyways, just an update, bought this head...I thought it was a pretty good deal, plus it has free shipping both ways.

    http://cgi.ebay.com/ebaymotors/2-0-M...#ht_1977wt_813
    Nothing is impossible, it just hasn't been done yet.

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