The Ethanol in gasoline will disolve polyester based fiberglass. Lots of boats had fiberglass tanks and the switch to gasahol caused major issues through out the boating industry. The fiberglass tanks would eventually leak and the residue from the dissolved resin caused major issues in the fuel systems.
Bowtiebro , over the years i have done more then my share of gas tank repairs , and to tell you the truth there is a host of materials needed to do the job , and if you get the chance take a look below at the thread i have listed on my Sig line doing the tanks on a 32 Skater .
ginger, in your build up it shows lots of good pics but i didnt read what type of product you were using the pieces im building are not going to be submersed in fuel just be exposed im building and intake top for my tunnel ram and was toying with the idea of using phenolic material but the price is way out of my budget and then i thought of cutting it out of a large chunk of 2in thick hdpe? plastic which is cheap compared to a chunk of billet or phenolic and then i was thinking of using glass i can make a better top because im free to manipulate glass a lot easier ive seen carbon intakes but again price is an issue
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