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unless you're running multiple fuel pumps and the 12v mod you're not going to be heating up your fuel enough to have something like that make a difference, at least not during the summer season. If you want something like that, get a cool can like this http://www.jegs.com/cgi-bin/ncommerce3/ProductDisplay?prrfnbr=2716&prmenbr=361 works well at the drag strip or even just on a night time cruise....

BTW, if you've done the 12v mod or for some reason are running more fuel pressure than you need to, fix it. that's a good way to heat up your fuel, cost you power and increase evaporative emissions. Generaly speaking you should not have to run more than 30- 40 psi fuel pressure. If you do, get larger injectors and turn the pressure down. All you need is enough pressure to get a good spray. anything more and you're injector sizing is wrong.
 
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