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04-17-2011, 03:13 PM
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#1 |
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Home Built '87
Join Date: May 2010
Location: Calgary, Alberta Canada
Posts: 1,829
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LS Experts --- What are these holes for??
I'm at a loss for remembering what bolted into these holes?
Was it just a plug for these holes in the rear of the heads? Thanks!
__________________
Gordon 1998 White Chev ext cab 2WD (Summer Project) http://67-72chevytrucks.com/vboard/s...d.php?t=408424 1987 Chev Silverado SWB (Winter Project Rebuild) http://67-72chevytrucks.com/vboard/s...d.php?t=424833 Truck Club http://67-72chevytrucks.com/vboard/s...d.php?t=466969 |
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04-17-2011, 03:33 PM
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#2 |
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Has more rust than truck...
Join Date: Apr 2005
Location: Ivanhoe, MN
Posts: 2,421
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Re: LS Experts --- What are these holes for??
Steam vent. Some years have the rear holes blocked off and just use the front others use them all.
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04-17-2011, 03:43 PM
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#3 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: LS Experts --- What are these holes for??
WHat he said^^^^^^^
tube http://paceperformance.com/i-6485108...nder-head.html bolt http://paceperformance.com/i-6333072...tube-bolt.html
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! Last edited by Clyde65; 04-17-2011 at 03:45 PM. |
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04-17-2011, 04:09 PM
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#4 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: LS Experts --- What are these holes for??
those don't looked plugged....so your missing a piece of tubing (steel?) that connects the 2 holes or the 2 heads ...and then one side has a nipple on it for a hose to connect to the cooling system.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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04-17-2011, 05:19 PM
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#5 |
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Home Built '87
Join Date: May 2010
Location: Calgary, Alberta Canada
Posts: 1,829
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Re: LS Experts --- What are these holes for??
You guys are absolutely right --- I had plugs in these rear holes and a steam line in the front.
I found an old pic of it. Thanks for the responses!!!
__________________
Gordon 1998 White Chev ext cab 2WD (Summer Project) http://67-72chevytrucks.com/vboard/s...d.php?t=408424 1987 Chev Silverado SWB (Winter Project Rebuild) http://67-72chevytrucks.com/vboard/s...d.php?t=424833 Truck Club http://67-72chevytrucks.com/vboard/s...d.php?t=466969 Last edited by Gordonr1973; 04-17-2011 at 05:21 PM. |
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04-17-2011, 05:24 PM
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#6 |
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Home Built '87
Join Date: May 2010
Location: Calgary, Alberta Canada
Posts: 1,829
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Re: LS Experts --- What are these holes for??
Circled
__________________
Gordon 1998 White Chev ext cab 2WD (Summer Project) http://67-72chevytrucks.com/vboard/s...d.php?t=408424 1987 Chev Silverado SWB (Winter Project Rebuild) http://67-72chevytrucks.com/vboard/s...d.php?t=424833 Truck Club http://67-72chevytrucks.com/vboard/s...d.php?t=466969 |
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