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12-29-2012, 03:54 AM
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#1 |
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Not a bad nut after all..
Join Date: Dec 2000
Location: ND
Posts: 1,756
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Purpose of Mystery Factory Hole in Radiator Support?
Why is this factory hole with a nut welded to the backside on the radiator support?
It is only on the passenger side. The attached picture is a 1972 Blazer from the Internet, but my 1972 GMC pickup has it and I'm trying to figure out why GM put it there.
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'05 Chevy 2500HD 4x4 '72 GMC LWB 4x2 driver '72 Chevy LWB 4x4 plow truck '71 Blazer 4x4 driver '70 GMC LWB trailer |
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12-29-2012, 05:33 AM
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#2 |
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Registered User
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,503
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Re: Purpose of Mystery Factory Hole in Radiator Support?
It was an alternate radiator retainer location. IIRC it was used on I-6 trucks. This is a '67 V-6 (KM).
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Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
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01-04-2013, 02:39 AM
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#3 |
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Registered User
 Join Date: Oct 2012
Location: Newhall CA
Posts: 1,195
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Re: Purpose of Mystery Factory Hole in Radiator Support?
A 2 inch narrower radiator, 6 cyl. and v8...i think the wide rad was a big block
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69 SWB 780hp Hellcat powered, manual 6 speed, currie 9 |
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01-04-2013, 11:58 AM
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#4 | |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Purpose of Mystery Factory Hole in Radiator Support?
Quote:
Posted via Mobile Device
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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01-04-2013, 10:25 PM
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#5 |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: Purpose of Mystery Factory Hole in Radiator Support?
Width of the radiator changes from a 4 core.I don't remember all the criteria,but I went to the other holes when I put the (way overkill) 4 core in my 68 with a 250.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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