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#1 |
my gas saver
Join Date: Sep 2003
Location: Clarksville, TN
Posts: 2,046
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single or double wall???
i am gonna take the top off of the blazer soon to work on it. i think it is a singlewall and wanted to know the differences? here are some pics if they help, thanks, eric.
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85' SWB, 4.3/TH350, getting ready for paint 84`SWB, 462ci./TH400, cowl hood, 15" billet spec., flows, blazer buckets/console, flat black 71`SWB, project ebay feedback |
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#2 |
huh ???
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,368
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That is a single wall. The bolts on a single wall go down from the top side, on a double wall they come up from the bottom...
Chuck
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90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!" |
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#3 |
Dag awn
Join Date: Jul 2004
Location: Gloucester, Va
Posts: 61
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which one?
which top is better to have and why are were two different ones made?
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1972 K/5 CST Blazer 4x4 |
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#4 |
huh ???
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,368
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I think the single wall is better as the double wall tends to sag in the middle. Couldn't say why they made two differend ones...
Chuck
__________________
90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!" |
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#5 | |
Premium Level Member
Join Date: Aug 2004
Location: Northern CA
Posts: 829
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Quote:
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#6 | |
huh ???
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,368
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Quote:
Chuck
__________________
90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!" |
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#7 |
my gas saver
Join Date: Sep 2003
Location: Clarksville, TN
Posts: 2,046
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yeah the bolts do go from the top, thanks.
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85' SWB, 4.3/TH350, getting ready for paint 84`SWB, 462ci./TH400, cowl hood, 15" billet spec., flows, blazer buckets/console, flat black 71`SWB, project ebay feedback |
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#8 |
Registered User
Join Date: Mar 2004
Location: Sacramento, CA
Posts: 1,083
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Don't think double wall tops had inside lights. I think single wall was only made in '72. I've heard that single walls also sag. The tops are so huge that the fiberglass just weakens over the years, bracing was at minimum to keep weight down.
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'71 ![]() "If life was fair you'd be able to afford one of each and a garage large enough to house them all." |
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#9 |
I don't get the hint that banned means banned
Join Date: Oct 2004
Location: Where the Bomb Dank Grows
Posts: 43
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My trucks FROM Montana as far as i know, and the Original owner got a double wall.... So maybe they were better at keeping heat in? I know the truck has a block heater too, apparently the (cold)weather was an issue in a previus life? It's a 71 and if they really didnt start making single walls untill 72 - then that's definetly why its not a singlewall! MY $0.02
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#10 |
Registered User
Join Date: Oct 2004
Posts: 392
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My 70 dbl wall is a Colorado truck. I think they did the double wall to keep condensation inside the top to a minimum. BTW 1970 owners manual says to decrease load capacity by 225lbs when equipped with the hardtop.
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#11 |
my gas saver
Join Date: Sep 2003
Location: Clarksville, TN
Posts: 2,046
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mine is a 69, it must have been changed out. it is in excellent shape too. i just wondered why everyone seems to want to get rid of their double wall for a single wall?
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85' SWB, 4.3/TH350, getting ready for paint 84`SWB, 462ci./TH400, cowl hood, 15" billet spec., flows, blazer buckets/console, flat black 71`SWB, project ebay feedback |
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#12 | |
"1972 C5"
Join Date: Jul 2004
Location: SoCal
Posts: 729
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#13 | |
The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,474
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I'VE ALWAYS HEARD A SINGLE WALL IS LIGHTER THAN A DOUBLE WALL
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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#14 |
Account Suspended
Join Date: Sep 2000
Posts: 3,991
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The bolt hole locations are different for single and double walls so if you think your truck originally had a double wall and now has a single top just check the bed top rails for evidence of 2 sets of holes.
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#15 |
Premium Level Member
Join Date: Aug 2004
Location: Northern CA
Posts: 829
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Good stuff. So is it a fact that singles were only made in 72? It seems to me that with cost mgmt, its VERY possible that GM went into a single wall design to save $$. Does anyone have an options list for the 72 that shows cost of either . I'd bet that the double would have cost more. Good information if we can figure it out.
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#16 | |
Registered User
Join Date: Dec 2003
Location: Left Coast
Posts: 254
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Quote:
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Toys: 72 K5 Blazer 74 Vette |
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#17 |
The Blazer King
Join Date: Sep 2000
Location: Valrico, Fl (Tampa)
Posts: 1,212
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1.Double wall IS heavier. (pain in the but)
2.Double wall is harder to bolt on/off because bolts go in upside dow and you can't see to allign. (pain in the but) 3. Double wall has threaded holes/truck does not. Single wall does not have threaded holes/truck does. 4. Who want's a top anyway? We own convertibles for a reason. ha.
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72 2wd Blazer. Its the superbichinest, megacoolinest, superflowinest. |
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#18 | |
Account Suspended
Join Date: Sep 2000
Posts: 3,991
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Quote:
This is correct, I had to relocate the holes on the bedsides I am using for my Jimmy. There were just holes and I had to fill them in and make oval holes and weld on nut keepers on the underside. |
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#19 |
Premium Level Member
Join Date: Aug 2004
Location: Northern CA
Posts: 829
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the double wall has threaded holes in it, the truck does not.
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#20 |
my gas saver
Join Date: Sep 2003
Location: Clarksville, TN
Posts: 2,046
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that`s all i plan to do is leave it in the garage when it`s raining. i don`t want to invite half the neighborhood over to get the top on and off all of the time. oh wait i don`t have neighbors, guess i`m s.o.l. ha.
__________________
85' SWB, 4.3/TH350, getting ready for paint 84`SWB, 462ci./TH400, cowl hood, 15" billet spec., flows, blazer buckets/console, flat black 71`SWB, project ebay feedback |
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#21 |
Registered User
Join Date: Mar 2004
Location: Sacramento, CA
Posts: 1,083
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All valid points, I have a double wall for my '71, and yes it is heavy. I have heard from single wall owners that the weight difference is not that great. You may need 3 or 4 people to remove/install a double wall, but for the single you probably need 2 or 3.
So, don't think of it as a pain in the a**, think of it as an excuse to have a party, get some brewskies, turn on some tunes. ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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'71 ![]() "If life was fair you'd be able to afford one of each and a garage large enough to house them all." |
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#22 |
Premium Level Member
Join Date: Aug 2004
Location: Northern CA
Posts: 829
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Well me and my girlfriend put my double wall on with some "thinking". Really was not that difficult. Of course if your paint is worthy, then it might be a different story
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#23 |
Registered User
Join Date: Oct 2004
Posts: 392
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I have a 70 dbl wall . Ican pulla bolt tomorrow morning and take it to the hardware store and give you pitch and size tomorrow pm-just say the word
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#24 |
Premium Level Member
Join Date: Aug 2004
Location: Northern CA
Posts: 829
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I think they are 3/8's but if you get a chance let me know. I also need to know if they are large or small thread(fine). I am afraid of stripping. Since no bolts have been for a bit, they will offer some resistance to the bolt, I just want to be sure the resistance is not because of the WRONG bolt
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#25 | |
I don't get the hint that banned means banned
Join Date: Oct 2004
Location: Where the Bomb Dank Grows
Posts: 43
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Quote:
Further more i don't think anyone will find you need more or less people needed to put on/take off a double/single wall top. From what i know, and what jakeslim said, a double wall is POSSIBLE to get on with only two(2) people. I've taken mine OFF with only one other friend before. I'm sure a single wall is even easier, that's all. How ever i always called up as many pals were around to make life that much easier. That's the nice thing about California for us blazer owners, NO SUMMER RAIN!....we take the top off for all of summer, and when it starts to rain, we put the tops back on untill next summer! |
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