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ls1 s/s notch on 28s
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26,049 Posts
Discussion Starter · #1 ·
How thick does aluminum have to be for the floor to be nhra/ihra legal?

On my 4th gen im getting ready to cut the T-top holders out( its the dip in the trunk) and im going to replace it with aluminum and lay that over the frame rails,im not sure yet if i will bring it all the way out to the side of the fenders or not.

But i was wondering what the thickness of the aluminum has to be for back there,ill probley be putting my fuel cell there also.

an does it have to be welded into place or can i use the 3m adheisve to hold it into place?


also for the rear bulk head how thick does that have to be?


thanks for the time and help
tony
 

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ls1 s/s notch on 28s
Joined
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26,049 Posts
Discussion Starter · #3 ·
thanks patch..i was thinking like .064 or so..ill call my uncle now and tell him to bring me some..looks like im breaking out the sawzaw and cut off wheel tonight.


The 3m will be legal right though?
 

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ls1 s/s notch on 28s
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26,049 Posts
Discussion Starter · #11 ·
^ thanks..just want to make sure its legal and done right the first time and dont want to have to cut shit apart an re do it all
 
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