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11-18-2007, 04:27 PM
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#1 |
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turbo enthusiast
Join Date: Jan 2004
Location: carmichael, ca.
Posts: 1,826
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Adding a 3rd seat
just picked up a blazer rear seat to add to my burb as the 3rd seat. Anything I need to know about mounting it for safety reasons or just drill some holes and throw in some grade 8 bolts?
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"But daddy, I didn't hit them all with a stick"...what my 6 year old tells me when I pick him up from school early for fighting  "
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11-18-2007, 07:26 PM
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#2 |
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Senior Member
 
Join Date: Feb 2005
Location: Post Falls,Idaho
Posts: 691
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Re: Adding a 3rd seat
I also would like to hear from someone who has done this since this project is in my near future. I am also installing the narrow 2nd row seat.
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'69 3/4 ton 427 CST Pickup '71 CST Blazer '72 GMC 3/4 4x4 |
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11-19-2007, 12:00 AM
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#3 |
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Registered User
Join Date: Sep 2002
Location: Iowa
Posts: 236
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Re: Adding a 3rd seat
There should be some holes, or at markings of where they would go, on the floor to mount the brackets.
Do you have all the correct brackets?
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you never have too many suburbans.... |
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11-19-2007, 02:44 PM
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#4 |
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turbo enthusiast
Join Date: Jan 2004
Location: carmichael, ca.
Posts: 1,826
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Re: Adding a 3rd seat
I have the correct brackets but my burb never had a 3rd seat in it before.
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"But daddy, I didn't hit them all with a stick"...what my 6 year old tells me when I pick him up from school early for fighting "
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11-20-2007, 07:54 AM
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#5 |
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Registered User
Join Date: Oct 2006
Location: Fort Worth
Posts: 306
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Re: Adding a 3rd seat
Well, I can tell you that the existing rails are either too close to the 2nd row or too close to the back. The gas tank is in the way of inserting a bar/rail for the perfect position. Instead of dropping the tank and going through all that, I just mounted the rear brackets of the bench to the rear most rail. I am assuming you want to mount through some steel and not just the plywood.
Last edited by 72GMCburban; 11-20-2007 at 07:55 AM. |
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11-20-2007, 11:44 AM
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#6 |
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Registered User
Join Date: Jan 2007
Location: Central Coast California
Posts: 1,026
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Re: Adding a 3rd seat
If you go through the wood place some wide washers or plate on the bolt head to distribute the load to a wider area.... so as they don't rip through during an accident. Thats essentially how it looks like the factory did it. (Large metal plates with threaded nuts/heads screwed into the wood)
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1972 K20 Suburban 5.7/700r4/NP205 Dana 44/H052 Sold  1972 C10 5.3L/4L60E 12bolt 5Lug - Sold 1971 K5 Blazer 6.0L LQ9 4L60E NP205 Dana 44/H052!!!  1970 K3500 1ton CrewCab 8.1L/Allison1000/NP205 Dana 60/14B!!!! - Sold 1984 K10 SWB 7.4L/4L80e/NP208 Corp 10/12 bolt Sold 1988 V30 CCLB 7.4L/TH400/NP205/Dana 60/Dana 70/3.73!!! (Sold) 2003 K2500HD 8.1/Allison1000/NP263
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11-20-2007, 05:47 PM
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#7 |
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turbo enthusiast
Join Date: Jan 2004
Location: carmichael, ca.
Posts: 1,826
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Re: Adding a 3rd seat
I figured I could just drill through the wood and use a piece of flat iron to run the length of the seat underneath to attach all the bolts to.
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"But daddy, I didn't hit them all with a stick"...what my 6 year old tells me when I pick him up from school early for fighting "
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01-20-2008, 09:40 AM
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#8 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Adding a 3rd seat
Have you done this yet? My assembly manual indicates the holes are there with plugs in the plywood
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01-20-2008, 10:37 AM
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#9 |
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turbo enthusiast
Join Date: Jan 2004
Location: carmichael, ca.
Posts: 1,826
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Re: Adding a 3rd seat
I have not done this yet. I will have to look for the plugs next time I'm in cali, since that is where the burb is.
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"But daddy, I didn't hit them all with a stick"...what my 6 year old tells me when I pick him up from school early for fighting "
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01-20-2008, 01:45 PM
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#10 |
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*************
Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,837
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Re: Adding a 3rd seat
Here's some not so good pictures of the bottom. The front of the seat is bolted to the floor with 2 very expensive "c" brackets. They bolt to nutserts that are nailed to the bottom side of the floor. The back of the seat bolts to the metal brace underneath. I believe the seatbelts bolt to the same brace.
R/
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
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