Re: My 1970 GMC Project
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Re: My 1970 GMC Project
Sure can! So here is your pic, arrows are pointing towards what looks like drain provisions? Water escapes through here? Mine don't have this...
https://lh3.googleusercontent.com/f8...k=w713-h330-no And here is what I am talking about where the cab corners meet the floor pan and they just don't match up hardly at all causing gaps to the open road... This pic is my cab corner from the back side. I cut it in half when I installed it so it allows a really good view of how these line up and go together. https://lh3.googleusercontent.com/dm...I=w722-h677-no This pic I obviously have a gap I need to fill underneath where the cab corner meets the outer rocker, but even if you leave this a "normal" gap like from factory, there isn't anything sealing that up(no flange to spot weld or put seam sealer in... and so wind and road noise can enter the cab not to mention water.... I think I am going to weld that gap completely just because of that... https://lh3.googleusercontent.com/RM...A=w708-h731-no |
Re: My 1970 GMC Project
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Re: My 1970 GMC Project
I said to heck with it and welded it all up... I just couldn't stand it. I want the cab sealed tight for air, noise, and water. I will have more on this soon on my thread but I could see that basically these crap replacement panels just aren't made like the factory did them and the sides are supposed to but together with a lip on all sides(cab corner to floor pan edge, and also cab corner to outer rocker panel. Well my pieces lacked that edging in most places and the cab corner to floor panels were just terribly off so I fixed em up real good :D
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Re: My 1970 GMC Project
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I think I have finally made enough progress this week to justify a picture. I've pretty well stripped the whole belly of the cab to bare metal. The next step will be test fitting my cab support. It's starting to look like something.
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Re: My 1970 GMC Project
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Re: My 1970 GMC Project
That looks good, clean slate. I forgot you have to rebuild the rails and supports.
Are you using anything on that bare metal to keep it from rusting? I'm using "dry coat" and it's working just fine, and all you do is spray it on and walk away. Super easy. Saw it on The Fab Forums YouTube channel and on truck tech powernation. |
Re: My 1970 GMC Project
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And FYI, after all the research I did I found the following. Lizard skin isn't that tough so you really need another layer on top of it to be long lasting. On their website they mention coating it with other products to make it off-road durable... It was designed to be used inside the cab not outside but you can use it underneath truck no prob just might have to keep touching it up often. My plan is to spray epoxy rust encspsulator as my base coat, then my lizard skin ceramic for temp control, then I'm spraying a rubberized undercoating on top of that for durability. Just thought I would throw that out there. :chevy: |
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Just when I thought I was done splicing my floor, I find two more splice cuts I need to make. The two rear floor pans where the seat belts bolt need 2 cuts made to allow the cab support to sit in the right location. So now that I finally have a nice solid clean floor, I'll have to take the angle grinder too it once again. :waah: I really hope the rest of my metal work on this truck goes a little smoother. :lol:
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Well I fought and I fought but I have, for the most part, got the support fitting. The center of the rear crossmember is sitting about 1/4" away from the floor pan yet. I'm going to have to get inventive and design a large clamp and bolt system to squish it all in. Overall though with the amount of hacking and modifying I've had to do to the floor pans, it fits not bad.
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Re: My 1970 GMC Project
Your really working your A$$ off on this floor pan and its showing. It looks good and is taking shape ;)
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I got my big bolt clamp made and it works like a charm to suck the cab support right into place. Almost ready for blasting the support. Just gotta get the location of the weight spreader plates marked out before I take it off for blasting.
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I spent the evening shrinking the 3/8" dome out of my passenger floor pan so that it would fit proper to the cab support. Had to use a few sheet metal screws to suck in a few stuborn spots on the support near the seat belt bolt locations. I need a few more clamps along the very top lip to confirm that it will sit tight and then it can be taken off for blasting. While I wait for that I can weld up some more of my door seams and the inner roof seam. Getting that much closer to a horizontal cab! :metal:
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Re: My 1970 GMC Project
Make sure you fit the bucket seat pieces before you weld in the support braces. I think it would be easier now especially the longer brace for the console.
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I got my bucket seat crossmember cut out of the donor floor along with all the stand alone rear brackets. Also got the dish pressed into the driver floor pan where the cab mount bolt goes in.
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I've made some pretty solid progress over the past few evenings, even if it doesn't feel like it. :lol: I've got the bucket seat crossmember straightened out and fitting about 90%. Only need to drill out the inner front passenger seat mount. I've been doing research into seat track locations and Im glad I did as the bucket seats require the front outer mounting holes to be moved 1-1/4" outward. So I'm glad that I did not drill the rear mounting points to pre maturly. I've sourced a few square nuts from my old cab support to be welded in where the new mounting points are. Also I looks like Sunday will the day for blasting the support. It's all starting to come together.
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Re: My 1970 GMC Project
Looking good!
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Re: My 1970 GMC Project
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