FelPro lists these new head gaskets as rubber: http://www.autopartswarehouse.com/bizshop/bp/fphs9792pt/felpro.html?apwcid=V1092232004W411a2344ecd29&apwkwd=Felpro+Head+Gasket+98+Ford+Mustang+%23FPHS9792PT
Fluorosilicone is a material of choice: http://www.dowcorning.com/content/rubber/rubberapps/app_fuel-seal.asp?DCWS=Automotive materials compatible with acetone: http://www.efunda.com/DesignStandards/oring/oring_chemical.cfm?SM=none&SC=Acetone#mat --- Dave Narby <[EMAIL PROTECTED]> wrote: > Hmm... Must be the gaskets used in a motor > vehicle's fuel delivery > system aren't made of neoprene... Considering > I've soaked those gaskets > (and fuel lines) in 100% acetone for MONTHS > with no ill effects. > > Anybody want to chime in on what exactly > they're made of? > > > [EMAIL PROTECTED] wrote: > > read this study: > > > > > http://cat.inist.fr/?aModele=afficheN&cpsidt=17220692 > > > > --- Dave Narby <[EMAIL PROTECTED]> wrote: > > > > > >> Hi Jerry et. al., > >> > >> I took a look at the article on acetone > being > >> banned in Vietnam > >> > >> > > > http://www.platts.com/HOME/News/9320310.xml?sub=HOME&p=HOME/News > > > >> and > >> there are at least a couple factual errors > >> there... Firstly, most seals > >> in the fuel delivery system of a gas powered > >> vehicle are neoprene, not > >> rubber. Secondly, acetone is definitely NOT > a > >> chemical used in gasoline > >> formulation. > >> > >> Think about it - why would the petroleum > >> companies want to put something > >> in your gas that INCREASES fuel economy? > >> > >> They DO put things in which DEGRADE fuel > >> economy... Like ethanol! > >> > >> Ethanol is ostensibly added to decrease auto > >> emissions - which it > >> DOES... Something on the order of 5-10%. > >> However, ethanol added to the > >> gas (E10) DECREASES FUEL ECONOMY 10-15%... > So > >> there is a NET GAIN in > >> emissions as a result of using ethanol - as > a > >> result of MORE GAS BEING > >> BURNED. > >> > >> I'm sure the Oil Lords laughed all the way > to > >> the bank when they passed > >> THAT particular law. > >> > >> Dave Narby > >> > >> > >> > >> Jerry Decker - KN wrote: > >> > >>> Hola Dave et al! > >>> > >>> NEVER USE ACETONE in an engine...it will > mess > >>> > >> up the seals, gaskets, > >> > >>> etc...it has been outlawed in the > >>> > >> Phillipines...refer to the recent news > >> > >>> article on KeelyNet about it DESTROYING > >>> > >> engines. > >> > >>> Toluene, yes... > >>> > >>> Mothballs, YES if you don't use too > many...I > >>> > >> have been using 1:4 in my > >> > >>> 1996 Ranger for nearly 4 months now....was > >>> > >> getting from 18-22mpg, with > >> > >>> mothballs, I get around 30-35mpg!!! And it > >>> > >> runs better than ever, has > >> > >>> more power and I can climb the mountains on > >>> > >> my weekly trips to nearby > >> > >>> towns. Been to Goodyear twice and they > said > >>> > >> the motor is in very good > >> > >>> condition for a 1996. > >>> > >>> The problem is some people use WAY TOO MANY > >>> > >> mothballs....the original > >> > >>> recommendation was 1 ball for 4 > >>> > >> gallons...thats what I've been using. > >> > >>> They will carbonize the engine if you use > too > >>> > >> many and require repairs. > >> > >>> I think you have that wrong about the > >>> > >> tailgate DOWN degrading > >> > >>> mileage..its running your pickup with the > >>> > >> tailgate UP that produces the > >> > >>> resistance to lower your mpg... > >>> > >>> Thats why they have the NET gate that lets > >>> > >> air pass through it, but > >> > >>> tonneau cover is even better. Living in > >>> > >> central Mexico, I just load it > >> > >>> up with Mexicans wanting a lift and let > them > >>> > >> be the airfoil....<lol>.... > >> > >>> Nos vemos! > >>> > >>> Dave Narby wrote: > >>> > >>>> Hey Mark, > >>>> > >>>> Dude... DUDE... Skip the mothballs. > >>>> > >> Naphtha will eventually screw > >> > >>>> up your engine. > >>>> > >>>> Try adding 1-2 more oz of acetone per 10 > >>>> > >> gallons. The sweet spot > >> > >>>> seems to be 3 oz, some people do better > w/a > >>>> > >> little more or less. > >> > >>>> Also try 7-10 ounces of toluene or xylene > >>>> > >> and advancing the timing > >> > >>>> (toluene is used commercially as an octane > >>>> > >> booster, xylene is very > >> > >>>> similar, and both are 50-75% cheaper if > you > >>>> > >> add them in yourself as > >> > >>>> opposed to paying for the 'pre-blended' > mix > >>>> > >> at the pump). > >> > >>>> Try the Mobil 15k synthetic oil. You > change > >>>> > >> it less and it costs the > >> > >>>> same as running cheapo oil. > >>>> Add 4 oz of Torco MZP engine assembly lube > >>>> > >> to your gearbox. > >> > >>>> Also, try a chin spoiler. This will block > >>>> > >> air from your undercarriage. > >> > >>>> Do all that and you'll probably have a > 33MPG > >>>> > >> 59 Edsel. > >> > >>>> Dave > >>>> > >>>> PS running your truck with the tailgate > down > >>>> > >> degrades MPGs. Running > >> > >>>> a tonneau cover (even a 1/2 cover from the > >>>> > >> cab back) increases MPGs. > >> > >>> > > > > > > ---cheers!!! > > 'The Old Master' > > @Dulcet Tone Service -- "NEW HOPE FOR THE > WRETCHED" > > Electric guitar and tube amplifier repairs > [EMAIL PROTECTED]&#! > > at the SOUND MILL > > "The Lord has a plan for me... and it isn't > pretty." > > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam > protection around > > http://mail.yahoo.com > > > > > ---cheers!!! 'The Old Master' @Dulcet Tone Service -- "NEW HOPE FOR THE WRETCHED" Electric guitar and tube amplifier repairs [EMAIL PROTECTED]&#! at the SOUND MILL "The Lord has a plan for me... and it isn't pretty." __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
