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  1. #1
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    Default 4 bolt conversion.

    The block out of my transam turned out to be cracked. I know beleive this to be the cause of its blown head gasket and subsequent overheating. I picked up another block that I'm gonna put the forged internals out of the old motor in. The original block had been converted by the last owner. I'm want to use those 4 bolt caps on this motor. Roughly how much does this usually run??

  2. #2

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    The splayed caps are around 90 bucks, and the machining can be anywhere from 200-300. You only do the middle 3 when you go to a 4-bolt main. The outer 2 caps are still 2-bolt.
    '94 coupe, 10.15 at 133.65 414" LT1, 4500 stall, n/a, pump gas, mufflers, street trim
    '15 Z/28, Red Hot, AC, Autocross beast

  3. #3
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    Default

    Already have the caps. was looking for an estimate on the labor. Thanks for thr info.

  4. #4

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    Cost me $500 in labor (machine work and installation).
    Paid just under $300 for a nice set of billet caps.
    I used studs for the inner boltholes and bolts in the outers.

    Remember to have the line hone checked.

    Last edited by James Montigny; 10-29-2008 at 06:25 PM.

  5. #5
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    Default

    $400 in machine work for my splayed conversion.

    7.10ET 88mph 1/8th (old setup)

  6. #6
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    Default

    Free for me I just have to pay 5% over cost on parts. its nice having friends in the right place, when you put main caps on you need to line bore and hone after.


    93 TA, 383 stroker, ATI procharger, Accel DFI Gen VII, TH400 RMVB w/Tbrake, narrowed moser 9 inch.

  7. #7
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    Default

    damn it's 600.00 labor, plus parts, plus line hone... Comes up to around 850.00 for me.
    http://i222.photobucket.com/albums/d...1/untitled.jpg
    In the works 1996 WS6:M6, 355 LT1 forged internals, REAL QUICKS hot parts, Ebay intercooler and piping, T4 Turbonetics T76 .96 a/r F-1 GTK turbine wheel.... Someday this will run!

  8. #8
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    Default

    [quote=BLWNLT1;19285]damn it's 600.00 labor, plus parts, plus line hone... Comes up to around 850.00 for me.[/quote

    ouch!!!!! The shop I'm using told me 300 labor.

  9. #9

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    [quote=rebuilt;19315]
    Quote Originally Posted by BLWNLT1 View Post
    damn it's 600.00 labor, plus parts, plus line hone... Comes up to around 850.00 for me.[/quote

    ouch!!!!! The shop I'm using told me 300 labor.
    That sounds about right. The shop my engine guy goes to said it's about $500 total, meaning labor+caps, and he was talking about the better caps which are around $200 bucks.
    '94 coupe, 10.15 at 133.65 414" LT1, 4500 stall, n/a, pump gas, mufflers, street trim
    '15 Z/28, Red Hot, AC, Autocross beast

  10. #10
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    I decided to go ahead and upgrade to splayed mains. I got the ones from milodon they where 250

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