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03-15-2015, 04:21 PM
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#1 |
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Registered User
Join Date: Dec 2002
Location: pacific north west
Posts: 230
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blazer top rail holes?
Bought a 72 blazer without a top. The top bed rails appear to have way too many holes for whats necessary to mount the top. I need to know what ones I need to fill to make it correct. The ones with the captured nut are a no brainer but how many others are there. A picture would be nice.
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03-15-2015, 04:24 PM
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#2 |
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Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,549
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Re: blazer top rail holes?
One set is for a single wall and the other set is for a double wall.
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70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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03-15-2015, 05:35 PM
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#3 |
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Senior Member
 Join Date: May 2011
Location: Greencastle PA
Posts: 6,713
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Re: blazer top rail holes?
Most 72's have a single wall top that bolt from the top down so you need the ones with the caged nut. Double (had single here) wall top bolts from the bottom up and would need the thru holes so it will depend on which top you have.
Last edited by 1rippen6; 03-16-2015 at 07:39 AM. |
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03-15-2015, 05:40 PM
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#4 |
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SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,049
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Re: blazer top rail holes?
If you are going to use a soft top, you may need more of the holes. You should make sure you know what top(s) you are going to use before filling the holes.
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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03-15-2015, 09:24 PM
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#5 |
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Registered User
Join Date: Nov 2007
Location: NLR, AR
Posts: 1,387
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Re: blazer top rail holes?
My 72 has a double wall.
But agree, it could be multiple things. Single, double, or was drilled for a soft top.
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2008 Sierra k3500 LMM 1994 s10 blazer 4x4 1991 Camaro Vert Rusted in Half  RIP1972 Jimmy 4x4 L05,4L60E,np205http://67-72chevytrucks.com/vboard/s...d.php?t=546364 1967 C10 L6/3tree(dads truck) |
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03-15-2015, 09:30 PM
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#6 |
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Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: blazer top rail holes?
I agree with the others. 1972's are unique, they have hole for both double and single wall tops.
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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03-16-2015, 09:31 AM
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#7 | |
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2WD Jimmy
Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,563
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Re: blazer top rail holes?
Quote:
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03-16-2015, 01:32 PM
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#8 | |
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urban fourwheelin
Join Date: Aug 2002
Location: Seattle
Posts: 1,007
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Re: blazer top rail holes?
Quote:
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1972 K5 Blazer with Cummins 4BT, NV4500 swap in the parts gathering stage. |
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03-16-2015, 07:20 PM
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#9 |
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Registered User
Join Date: Dec 2002
Location: pacific north west
Posts: 230
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Re: blazer top rail holes?
Are there pins in the top to help line it up with the bed rails and how many total holes are there for both type tops.
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03-16-2015, 09:51 PM
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#10 |
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Senior Member
Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,929
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Re: blazer top rail holes?
My 72 only has holes for a single wall. I've never see them with both unless someone modified the holes. More than likely it was done because they couldn't find a single wall so they stuck on a double wall which are easier to find and as simple as drilling some holes. The original holes are also oval shaped for adjustment.
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Kirk 72 Blazer CST 4wd highlander 66 Nova |
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03-17-2015, 09:28 AM
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#11 | |
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2WD Jimmy
Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,563
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Re: blazer top rail holes?
Quote:
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03-17-2015, 09:51 AM
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#12 |
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Registered User
Join Date: Sep 2011
Location: Leland, Il
Posts: 1,503
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Re: blazer top rail holes?
My 72 has both sets of factory holes as well.
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03-17-2015, 06:42 PM
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#13 |
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Registered User
Join Date: Dec 2002
Location: pacific north west
Posts: 230
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Re: blazer top rail holes?
How many factory holes are there so I can eliminate the ones that aren't needed.
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03-17-2015, 08:33 PM
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#14 |
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Registered User
Join Date: Mar 2008
Location: Allen,TX
Posts: 223
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Re: blazer top rail holes?
My 71 with a double wall top has 6 holes on each bedside. Each 13" apart.
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