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Old 02-10-2019, 09:52 PM   #24
El Dorado Jim
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Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,309
Re: Correct Gas Cap? Too much pressure!

Originally Posted by FRCvette View Post
I had this same problem with my 70. I ended up drilling a very small hole in the backside of the cap. No more pressure or smell.
I have done this on different vehicles and it works
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