Re: My 1970 GMC Project
Now I want to go back and change my firewall design. All that extra space inside the cab has to be a good thing! I wonder if it will make the AC install any easier? (I've never installed a vintage air kit in a c10 before, so I don't know if that would be prime real estate or not.
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Re: My 1970 GMC Project
Sweet man, looks fantastic, wish I did that now...
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Your looking like you'll be driving a complete truck in no time man. That's fantastic!:metal: |
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More firewall smoothing progress over the last few days. I was wondering how others are getting their wiring harness into the engine bay without coming through the firewall. Is there normally a bulkhead of sorts involved when going through the kick panel area? I'm trying to figure that all out befor I re-install the cowl panel.
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The passenger side of the firewall is now fully shaved. Next will be the drivers side which will be a bit more interesting I think. I've still got to figure out where and how to get my wiring into the engine bay without coming through the firewall. I may just have to order up a wiring kit from American Autowire with the tax refund this year.;) That way I can get that part figured out before I go closing in my cowl panel.
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CordGrips: https://www.heyco.com/Liquid_Tight_Cordgrips/ And check this thread out too, it's how I found this idea: http://67-72chevytrucks.com/vboard/s...d.php?t=556004 This is the harness I would have purchased. Good wiring, plenty of length, and you can get all the GM connectors too! https://www.speedwaymotors.com/Speed...ss,229874.html . |
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I was at it again tonight. Did some more surgery on the firewall in an attempt to get it looking more symmetrical and clean up the clutter. I think it will look pretty darn good once it has been all welded up and ground down. I had to cut a very small piece of the thick plate that supports the booster and column ect to achieve this. I do not think that it will affect the integrity in any way.
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Re: My 1970 GMC Project
That interesting. Never seen that done before
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Nice improvement.
Looking good. . |
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Hey guys, I was working on my firewall again today and I just hit a milestone with this cab. I've officially burned through one whole 10 lb roll of mig wire.:lol: I also got the rest of my most recent mod all welded up and ready for grinding. I'm very happy that I did this, IMO it just looks so much better. Have a good one!
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Re: My 1970 GMC Project
It really does take the clean firewall look a step further. I want to do it to my cab now that I see how uniform it can be. It really is the one spot that becomes problematic. The gained real estate in the back of the engine bay is not lost real estate in the foot well area inside the cab. Its a win win other than another day or so in the build process.:chevy:
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Re: My 1970 GMC Project
By the way, I'm sure that you must have a build thread somewhere but I haven't been able to find it. I'd like to take a read through it if you could drop a link.
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Re: My 1970 GMC Project
To my shame I have never started a thread. I've wanted to but just haven't done it. I sure have learned a ton from other guys work. I really haven't done much of anything that's truly original... it's all been done before. That's probably a poor excuse though. I'll give it a think again.;)
A good reason to do it is for others to help keep me motivated, and also to be able to show anyone that asks me about it in the future, when I am daily driving it. |
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Firewall update
I managed to get some grinding and a bit more welding accomplished in the last week. It was slow going as I was working a side job almost every evening over the last week. This week will hopfully see some quicker progress. I got the expansion that I had done to the engine recess ground down and complete. It will definatly be needing a coat of filler.:lol: After that was complete, I welded up a couple more holes in that area of the firewall. I have one left to fill and then I have to come up with a plan for where the accelerator pedal mounts. I want to eliminate the three captive nuts for a cleaner look. Probably just going to weld some studs to the inner firewall. |
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Your firewall is going to look killer all evened out like that. I notice that you got rid of the little bump that was on the top of the passenger side heater delete panel. I did that also. I do plan on "permanently borrowing" your idea on the drivers side. I've never seen that done and it's a huge improvement.
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I've got the center of the firewall all buttoned up now except for the accelerator pedal mounting nuts. I need to come up with a plan for getting rid of those but I figure I better get the pedal first. Being that this is a 72 cab and my truck is a 70, the pedal is diffrent but luckily enough my dad thinks he's got a pedal for me. Just have to go over there and see if we can find it lol. I'm also going to be attempting some more crazy ideas on the drivers side of the firewall and wanted some opinions on it. In the picture, I've drawn a line where I would like to extend my raised portion. My question is, what do you guys think I should do about the park brake mounting location. I figure I could incorporate it into my section but after all this firewall smoothing, I'm wondering if that would just look lazy leaving one cable coming through. Would it be worth my while to look into some sort of electric park brake or something if it even exists?
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Re: My 1970 GMC Project
Oh it exists, but be prepared to drop 500 USD. I think its called E-stop. Whether or not to go through the extra work? Well that's on you. Do you plan on showing the truck or driving the snot out of it? I plan on the latter so I'm only making changes that will satisfy my desire to have what I think is a cool truck.
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I would raise what you have drawn so it's symmetrical with the other side. It will look more detailed with the e brake area bumped up but i would have the threads welded on the Inside of the firewall so you can't see the bolt /nut. Just the grommet and cable viable on the outer firewall.
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