Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

Making 87 Jimmy Fully Convertable

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Joe12054, Apr 16, 2001.

  1. Joe12054

    Joe12054 Newbie

    Joined:
    Apr 16, 2001
    Posts:
    1
    Likes Received:
    0
    Location:
    New York (Upstate)
    I am looking for any kind of advice I can find in order to turn my 87 GMC Jimmy fully convertible. I recently sold my 92 Wrangler (it was a lemon) and miss the sun in your face. So if anyone could offer me any kind of advice I would really appreciate it. I dont know where to bring it cuz I dont have the tools for something like that. I am just kind of confused on how to go about it without costing me a bundle (I'm 17). Well, if someone could help me out that would be great. I will be posting pictures as I work on my new beast. Thanks.
     
  2. BlazerGuy

    BlazerGuy 3/4 ton status

    Joined:
    Apr 20, 2000
    Posts:
    9,206
    Likes Received:
    0
    Location:
    abcde
    Robbie made his 79 a full convert:<A target="_blank" HREF=http://www.coloradok5.com/moneypit.shtml>http://www.coloradok5.com/moneypit.shtml</A>

    Murphy's Laws on Life :
    "It is a mistake to allow any mechanical object to realize you are in a hurry."
     
  3. Can Can

    Can Can Pusher Man Staff Member Super Moderator

    Joined:
    Feb 17, 2000
    Posts:
    15,552
    Likes Received:
    136
    Location:
    Cochrane, Alberta, Canada
    If you're planning on paying someone else to do a major fab job like that, you'd better save your pennies or go get a bank loan.............. There's a whole bunch of body integrity and safety issues to deal with, and you'd have to get a new top made as well. Man, we're talking thousands and thousands of dollars.

    My suggestion: Everytime you feel the need for sunshine on your face, stick your head out the window[​IMG]!!!!!!!



    <font color=red>PHOTO ALBUM-</font color=red> <A target="_blank" HREF=http://albums.photopoint.com/j/AlbumList?u=1289798>http://albums.photopoint.com/j/AlbumList?u=1289798</A>.......<font color=blue>TRUCK & HIKING PICS</font color=blue>
     
  4. Pookster

    Pookster 1/2 ton status

    Joined:
    Nov 21, 2000
    Posts:
    3,195
    Likes Received:
    0
    Location:
    NYC, NY, USA
    Anyone think about adding a sunroof instead? I mean, that would keep the integrated roll -bar intact, no?
     
  5. HarryH3

    HarryH3 1 ton status Author

    Joined:
    May 31, 2000
    Posts:
    10,384
    Likes Received:
    2
    Location:
    Georgetown, TX
    You don't need to have a new top made. Just find a top from a '73-75 and bolt it on after all the roof and door mods. [​IMG]

    <font color=black>HarryH3 - '75 K5</font color=black>
    <A target="_blank" HREF=http://ThunderTruck.ColoradoK5.com>http://ThunderTruck.ColoradoK5.com</A>
    It's a great day to be alive...
     
  6. Blaze

    Blaze 1/2 ton status

    Joined:
    Aug 28, 2000
    Posts:
    3,285
    Likes Received:
    0
    Location:
    Raleigh, NC
    What about a targa top? That way you wouldn't have to modify the doors or anything like that.

    [​IMG]<A target="_blank" HREF=http://www4.ncsu.edu/~brschoch>http://www4.ncsu.edu/~brschoch</A>
     
  7. Can Can

    Can Can Pusher Man Staff Member Super Moderator

    Joined:
    Feb 17, 2000
    Posts:
    15,552
    Likes Received:
    136
    Location:
    Cochrane, Alberta, Canada
    Geez, Harry, you make it sound so easy, I think I'm gonna go out back and start grinding off my roof right now[​IMG][​IMG]!!!!!!!

    I'll be cruisin' topless by lunch time!!!!![​IMG]



    <font color=red>PHOTO ALBUM-</font color=red> <A target="_blank" HREF=http://albums.photopoint.com/j/AlbumList?u=1289798>http://albums.photopoint.com/j/AlbumList?u=1289798</A>.......<font color=blue>TRUCK & HIKING PICS</font color=blue>
     
  8. Boss

    Boss 1/2 ton status Author

    Joined:
    Feb 17, 2000
    Posts:
    2,550
    Likes Received:
    0
    Location:
    Maryland
    It's not as hard and expensive as it sounds(granted you did the work yourself)...but you do need some good tools...sawzall, grinder, cut off wheel, etc.
    Now, Harry is right, you'll need to find a 73 to 75 (preferably 75' hard top) unless you custom make a soft top.
    You'll need to get the winshield frame mounting brackets that hooks the hard top to the winshield frame (only can be found on 73 to 75' K5's.) And like Harry said...cut the doors the way they're suppose to...may have to weld metal in to cover the gaps you made when you cut the door.
    And you're done :)
    This is where precision and patience is key :) OR, just buy a 69 to 75' K5 and you're done :)
    Boss
    Boss

    <A target="_blank" HREF=http://www.boss.coloradok5.com>http://www.boss.coloradok5.com</A>
     
  9. BIGRIG

    BIGRIG 1/2 ton status

    Joined:
    Feb 29, 2000
    Posts:
    488
    Likes Received:
    0
    Location:
    Independence, MO
    You don't even have to find metal to fill holes, 73-75's had plastic caps that screw on over the holes. As for the roll bar buy an aftermarket black, chrome, or ?, and you still have the same safety features and looks good.

    MY DRINKING TEAM HAS A FOUR WHEELING PROBLEM!
     
  10. MTPockets

    MTPockets 1/2 ton status

    Joined:
    Feb 19, 2000
    Posts:
    502
    Likes Received:
    0
    Location:
    Gainesville, Florida
    the link above, 'moneypit', is a great place to see pics of this conversion.
    keep in mind i was not concerned with running a hardtop roof. for this you will need to find the windshield frame from a 73-75 k5.
    my main motivation was weight loss. with a softop i can run a much lighter pick up tailgate.
    the first cut to make is to the doors. there are caps available from lmc truck; rubber and plastic pieces that will seal the a and b pillars of the doors. from there the b-pillar of the body is cut level with the rest of the tub. this is an inch shorter than the doors, a GM design thing. the windshield header was cut straight across the width of the truck, leaving about 5" of metal to fasten the softop front channel.
    IMPORTANT: if you remove the roof, you MUST reinforce the body to prevent sagging. i installed a full cage to remedy this, but you can simply weld in additional metal to the floor.
    good luck,
    MTPockets.
     
  11. Derf00

    Derf00 1/2 ton status

    Joined:
    Jul 25, 2000
    Posts:
    1,683
    Likes Received:
    0
    Location:
    Abilene, TX
    There is a Blazer here locally that has had this conversion done. The guy that owns it says it is a '91. It is a very nice looking Blazer, but I personally think it has had a 73-75 tub installed on it. I believe this because the rear floor board comes up to the back of the front seats, that flooboard was discontinuded in '75. The dash is late model 89-91 and the engine is TBI. It looks like a lot of work to me, but anything is possible if you have enough time and money.

    Derf00
    http://www.derf00.coloradok5.com
    "Four wheel drive allows you to get stuck in a more inaccessible place."
     
  12. BadDog

    BadDog SOL Staff Member Super Moderator Author

    Joined:
    Feb 24, 2001
    Posts:
    7,777
    Likes Received:
    11
    Location:
    Phoenix, AZ
    My old 75 Blazer had a 90 cap and dash with a 454 under the hood. Sure looked sharp with the top off. Man I miss that truck.

    Bad Dog

    85 K30 CUCV, 350 TBI, TH400, NP205, D60/C14, 4.56 Locked
    Soon: 4" lift, 40" tires, massive cutting, shorter wb and rear overhang.
     
  13. rampage

    rampage 1/2 ton status

    Joined:
    Mar 20, 2001
    Posts:
    2,259
    Likes Received:
    72
    Location:
    Humboldt/Pacifica, CA
    I'm doing this to my 89. I have the 75 top (preferable because the overlapping outside seam is stronger) and the windshield frame from a 73-75. You will also need the weatherstripping (inside and outside header, top to door window stripping, and bed rail stripping) which will run about $450. You will also need the door caps both upper and lower) for when you cut the existing door frames. You can buy both the upper and lower but the lower door caps I found are plastic and not the original fiberglass ones, so hunt around the junkyards for the originals. Like the others have said, the process is simple if you take your time and are careful. Cut the door frames at the appropriate place. Before you cut the cab, make sure you have structurally "boxed" the floor pan like they did on the original full convertible or make a full rollcage that ties into the windshield or you might find that windshield frame will sag inward after time. Cut the cab off at the rear of the door and halfway down the windshield posts. When welding on the "new" windshield frame place a piece of square stock in the posts and weld it in place, this is for extra structural support. The 73-75 top bolts directly in place. You might also think about sliding windows in your new top, the ones from the 76-91 tops will drop in place. I found a few shops that said they have done this in the past (and I saw one being done too) and it is structurally sound when you reinforce it properly. The shops said they would do it for $500 and garauntee the work also. All in all, you are looking at the following: 73-75 top=$400-$500
    weatherstripping $400-$500
    windshield frame $100
    door caps $50
    body shop work $500
    Just do it!! It's a cool conversion and not that difficult to do yourself, just alot of hunting around for the parts. I can give you the stores I found the weatherstripping and caps at but I will have to search for them, just let me know.
     

Share This Page