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Old 04-15-2021, 08:08 PM   #1
Greg Reimer 7376
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Cool Gotta question--

I put a 5 gallon fuel cell in the trunk of a car, it doesn't need a roll bar yet,I was going to keep the OEM rear seat, but I know I need to install some kind of firewall between the trunk and the interior. What thickness? I wanted to use aluminum since I have access to some, but I need to know the legal thickness required. I know you guys would know.Thanks!!

Last edited by Greg Reimer 7376; 04-15-2021 at 08:09 PM. Reason: spelling
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Old 04-15-2021, 08:20 PM   #2
MR DERBY CITY
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Default Re: Gotta question--

Pretty sure alum minimum thickness is .040 .....
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Old 04-15-2021, 08:28 PM   #3
FED 387
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Default Re: Gotta question--

General Regulations 7.3 & 7.4---- .032 aluminum & .024 steel firewalls and floor pans--FED 387
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Old 04-15-2021, 09:08 PM   #4
Greg Reimer 7376
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Default Re: Gotta question--

Thanks. I was looking in the wrong place. Knew you guys would know!!
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Old 04-16-2021, 09:30 AM   #5
MR DERBY CITY
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Default Re: Gotta question--

Quote:
Originally Posted by FED 387 View Post
General Regulations 7.3 & 7.4---- .032 aluminum & .024 steel firewalls and floor pans--FED 387
Yes, you are correct....I was wrong...Thanks Mr. fed
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