My ly6 build

Discussion in 'High Tech Retrofits' started by RICARDO1969, Nov 16, 2010.

  1. 73RS/LT

    73RS/LT Veteran Member

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    No problem man......glad to be of help. Now get that baby buttoned up!
     
  2. RICARDO1969

    RICARDO1969 Veteran Member Lifetime Gold Member

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    During a recent cam change i noticed that the spring on number 2 cylinder made some noise? upon further inspection it turned out the valve was bent!

    at first i thought i may have caused the damage somehow then i remembered when i bought the motor the valve cover was damaged from the wreck that it was salvaged from.
    [​IMG]

    I don't know why the hell i did not question this damage to the cover.
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    [​IMG]

    I took the head to the machine shop and discover i had 3 bent valves one busted valve guides and two cracked guides = GARBAGE the cost to repair was equal to buying a new head, i opted for the new head from scoggin dickey.

    I took the other head in for inspection as well it was ok so once the new head came in i had c&s performance install my dual springs so now everything is mint. :)

    [​IMG]
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  3. RICARDO1969

    RICARDO1969 Veteran Member Lifetime Gold Member

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    In the end this damage taxed me 700 dollars, New head, gaskets, bolts and machine shop fee's money that could have been spent somewhere else :(
    lesson learned "when in doubt check it out!"
     
  4. green 1977

    green 1977 Veteran Member Lifetime Gold Member

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    Sorry to hear of the damage, Ricardo.... Glad you got it figured out
     
  5. 73RS/LT

    73RS/LT Veteran Member

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    Glad to see you're back in business now man. Hope everything else works out well for you from here on out. It'll be all worth it in the end.....just hurts a little now. Did the salvage yard happen to warranty the motor for a period of time?
     
  6. RICARDO1969

    RICARDO1969 Veteran Member Lifetime Gold Member

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    Thanks and no there warranty was 30 day's i called them and all they gave me was bullshet.
     
  7. RICARDO1969

    RICARDO1969 Veteran Member Lifetime Gold Member

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    Thanks! Now i have repair the hole in my wallet lol
     
  8. Aceshigh

    Aceshigh Veteran Member Lifetime Gold Member

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    Ouch.....so it did come to $700......that sucks bro.

    Glad you decided to go with the new head. I really would have liked your
    motor but glad you were totally honest up front. Shows class. :bowtie:

    Just out of curiousity, how come you didn't attempt the new springs install
    on your own ?? I was thinking of upgrading to patriot golds but wasn't sure
    how hard it was. I was just assuming you need a spring compressor, but
    I'm not quite sure how in depth this is if measurements have to be taken. :eek:
     
  9. RICARDO1969

    RICARDO1969 Veteran Member Lifetime Gold Member

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    Thanks Ace.
    I wanted to do the spring install my self at first so i ordered the proform spring install tool only to find out it only works for ls1 and ls6 and not l92
    [​IMG]

    There are two versions of this tool,and i ordered the wrong tool, so i sold that tool and figured since the heads were at the shop they could save me the headache :)
    This is the correct tool for l92 heads
    http://cgi.ebay.com/ebaymotors/ws/e...7&viewitem=&_trkparms=clkid=21729543242486936
     
  10. 73RS/LT

    73RS/LT Veteran Member

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    Those LS specific valve spring tools are really nice, but I have done all my LS valve spring swaps (at least three sets now) with a regular universal overhead valve spring compressor tool. Just make sure to get one that isn't too cheap (read: if it's less than $20.00 its probably junk). Something like this will work well.

    http://www.sears.com/shc/s/p_10153_12605_00994097000P?prdNo=19&blockNo=19&blockType=G19

    EDIT: Oh, and no real need to take measurements Ace if you're just swapping LS-specific springs for another set of LS-specific springs. The only time I can see getting into measurements would be if you were wanting to shim the springs up to attain a desired seat pressure. In that case you may want to measure the installed height to ensure you don't get into coil bind. But, with most springs intended for stock heads, the stock installed height should come in very close to what the manufacturer intended. So as long as your cam's lift doesn't exceed the advertised lift capacity of the spring you should be good to go.
     
    Last edited: May 18, 2011

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