Neil
Supporter
That was not the scenario I was describing.
That was not the scenario I was describing.
Sean S.
Supporter
Neil,
I hadn't really thought about that, but you are correct. There is only just over 1/8" of aluminum between that link and the driver/ passenger.
Mine also has the Anti Shear brackets like Chet's, I just haven't installed them yet.
Sean.
T
Those were added to the cars after that mount failure situation. I requested them be added to mine at rcr when they were assembling the chassis, late 2015.
The original tubs are not much better. A piece of thin sheet steel on the backside of the folded bracket.
Sean S.
Supporter
I fabricated fuel tank pickups from some SS tubing and a Bushing. I decided to use aluminum blocks welded to the tank to bolt them down in the rear of the chassis, I then welded angle to the front of the tanks to attach them to the front of the chassis. I am still trying to decide exactly how I want to run the fuel lines. I am thinking of running them out the back of the chassis, but I will need to put a few more things together before making a final decision.
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Sean S.
Supporter
I have most of the A/C system completed. First I had to remove the provisions for extra vents. I decided to cut them off and flip them. I then glued them into place. I fabricated some aluminum brackets to mount it. I did find that the plenum will have to be modified due to it will interfere with the roll bar. I am pleased how the dash covers most of the A/C unit. More pictures to follow in second post.
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Rod Dittmar
Supporter
Sean, really great progress and nice work. Tell me a little more on how you did those 3 torx head screws on the end of the heater/ac unit. I'm getting ready to install mine and am looking for some how to ideas.
Rod
Rod
Sean S.
Supporter
Hey Rod,
I used #8 Sheet metal screws. I have ordered some shorter ones (3/4") as the ones I have are a bit too long if you didn't notice the washers. I used the existing screw hole that the removable cover that hides the hoses is mounted (picture attached) with and then added 2 screws above it into the fan housing. The housing has about 1" between it and the fan.
I needed to remove the top mount next to the fan (picture attached) as it wouldn't allow me to mount the evaporator unit high enough on the dash. When i used the 2 threaded holes for mounting I found it allowed the unit to move slightly, hence why I chose to add another mount on the fan side.
Sean
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Rod Dittmar
Supporter
Sean, thanks for the info & pics. A preliminary mounting of mine seems a bit shaky also. I'll be upgrading my mounts accordingly. Rod
Sean S.
Supporter
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Sean S.
Supporter
I was able to get the fuel tanks almost wrapped up. I need to fabricate a fill pipe, I am thinking about getting some SS mandrel bends and making them so I only have hoses connecting them to the tank and the filler cap. I plan to utilize a vent tube back to the the fill cap to help with fueling the car. I also will have a roll over vent valve on the rear of the tanks mounted high under the clamshell.
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Hey Sean,
I'm no expert by any means but have been bit using dissimilar metals in aluminum. My specific example was using a steel drain plug in an aluminum pan. The threads corroded away on the pan. And I believe the more aluminum mass the faster this happens. Maybe someone can chime in here but you might need to change the carbon steel bushing to something else. Your build is awesome. Love to follow the progress.
I'm no expert by any means but have been bit using dissimilar metals in aluminum. My specific example was using a steel drain plug in an aluminum pan. The threads corroded away on the pan. And I believe the more aluminum mass the faster this happens. Maybe someone can chime in here but you might need to change the carbon steel bushing to something else. Your build is awesome. Love to follow the progress.
Sean S.
Supporter
Thanks for following my progress Rob, I used 304 SS for the bushing and pickup. The only fitting in the tank that is not SS is the nipple for the vent line, I used brass as I had trouble finding one with a low enough profile to fit in the chassis. Im trying to keep everything SS due to not wanting any surface corrosion on fasteners and fittings.
Sean
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Hi Sean, I just received my GT40 on Sunday. Can't wait to get started. Hopefully, we can communicate and help each other out. Jim
Old man eyes. Carry on my friend. 
Sean S.
Supporter
Congrats on receiving your car Jim! Let me know if I can help in any way.
Sean
Hi Sean, I want to do the fuel tank installs this weekend. Do you use spray foam or some kind of glue or rubber sheeting prior to sliding them in?
