Does anyone care to share their favorite ways to cook gasoline? Any good receipies? After a bunch of miles in my 1962 Fuelie I've learned that she really likes her fuel with a Ried Vapor Index around 6; or else she won't idle. Today's gas has too many aeromatics in it. RVI of about 13. It's best to cook about 200 galons at a time so I'll have a month's supply. Any pet techniques? I use the sun for heat! (The Moon for Guidance)
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Huh???
Er...ah...whaa????????????? -
Re: Huh???
Be patient George. The thread will unwind, so to speak. Few nibbles first, then wham! a BIG bite followed by lots of big bites.
IT'S TRUE! And it works! Toss in some lead tet and you've got your own "Turbo Blue 290" in the back yard! End-gap your plugs, lash up the lifters and go make some money!Comment
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Re: Cooking Gasoline=BaBoom for Varoooom
Dale-I don't know where you live but in most populated areas they would frown on storing any more than 5 or 10 gallons of gas and even then only in approved containers.I thought your post was a joke but your response to George D. makes me wonder.The EPA may also have a little poblem with the emissions from this "Mr Wizard from Hell" project.Warning don't try this at home kids!In all seriousness this is a BAD idea.One visit to a burn ward should tell anyone this!Think about removing this post this is a terrible idea. LouComment
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Re: Cooking Gasoline With Solar Energy
Sounds to me like Dale was bitten by the Looflirpa beetle earlier this month...
BillComment
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Re: Cooking Gasoline=BaBoom for Varoooom
I live in the country, in Tennessee. There are many "good ole boys" nearby who are incredible gearheads stupid enough to race on the street every Saturday night. Several of these morons cook gas. As practiced, the process isn't very dangerous but ILLEGAL and detremental to our environment. I do not advocate cooking gas but rather I discourage it. The EPA will take you to jail if they catch you. Yours is the first of what I hope will be several negative comments regarding this practice. The real meat of this thread is a thorough understanding of why so many fuelie owners complain that idle is impossible.Comment
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OK, I'll Bite Let's talk F.I. Idle
This summer I plan on installing a '4900R F.I. unit on my '58. It is in the hands of a well know and respected fuelie guy right now, I'm not sure if he would appreciate me dropping his name, so I won't. But anyway not being all that familiar with vacuum controlled F.I. units what exactly are you alluding to? Further, how does a Kent Moore Manometer fit into this mix? Do we all need one, or is there another way?Comment
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Re: Cooking Gasoline=BaBoom for Varoooom
My 62 fuelie idles fine on pump gas and has for the 25 years that I've owned it. It still has the domed pistons and 097 cam too. Don't know what cooking gas is all about and I don't think I want to. RichComment
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Hot idle problems
Mark -
Most FI cars have a rough idle for 30 seconds or so upon restarting in hot weather. I think this problem has worsened with modern gasoline blends, but it existed 30 years ago too.
During the seventies I drove an injected '57. On 90+ summer days the fuel meter would soak up a bunch of engine heat when I made a brief stop. After restarting, the engine wouldn't idle properly until relatively cool gas from the tank got to the unit.
Now I notice that my '64 does the same thing on 80+ days. It never used to do that. I can reduce the problem a bunch by mixing racing gasoline with pump premium in a 1 to 2 ratio.
Every FI owner doesn't need to buy a manometer, but your unit can be calibrated more accurately with one than by ear. It's sorta like setting your points without a dwell meter. Many good mechanics swear they don't need any instrumentation to to tune an automobile engine. I do.Comment
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Re: Cooking Gasoline With Solar Energy
Cooked Gas:
1. Loosen fuel lines at carb(s) or F.I.
2. Coat intake "Pockets" with Pam cooking spray, Lard if you live in the south.
3. Start engine, run till hot.
4. Tighten / loosen lines until pockets remain full without overflowing, ( difficult ).
5. Bake till charred black adding lead as necessary.
6. Remove fuel eggs, ( they should resemble hard boiled eggs if properly prepared ).
7. Store in cool place and add to tank when required, coloring may be added at holidays.
jer.Comment
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Re: OK, I'll Bite Let's talk F.I. Idle
Bout the only thing my Kent Moore manometer fits into is the trash barrel! Back in the early 60's there were two kinds of fuelie tuners; the manometer boys and the "seat-of-the-pants" boys. My pals who paid the bucks to have this gadget attached to their cars never did enjoy the benifits of Fuel Injection as we who "tinkered" did. A manometer "might" be useful if you really ran high compression AND used the reccomended fuel of the era. Today it's a worthless relic of the past unless you collect worthless relics of the past. (like some of my lady friends).
All I've ever used to calibrate my fuel unit is an allen wrench and a small open end wrench. (5/16 ths I think). I get out on the highway and lean up the economy stop until the engine just barely runs. (several trial and error adjustments). Then I richen it a quarter of a turn. Next I richen the power stop through trial error adjustments until I get black smoke at wide open throttle. Then I lean it 1/4 turn. QED! The unit is adjusted for my gas at my altitude (which varies near happy hour) and for my environment. These adjustments have nothing to do with idle quality however. Today,s gas has a high concentration of aeromatics which boil in the spiderlines going to the injectors if the flow rate is slow enough for engine heat to cause it. When the revs are high enough the flow rate precludes the time necessary to absorb enough heat to boil but at idle you get partial vapor lock in the spider.
Solution: Keep the spider cool through insulation OR use a fuel with a Reid Vapor Index low enough or high enough (I always get it turned around) to lower the propensity to boil. Eliminating the aeromatics through cooking gasoline works fine but IT IS ILLEGAL AND DANGEROUS to do so. Note that I haven't explained how to do it!Comment
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Re: Cooking Gasoline=BaBoom for Varoooom
You are lucky Rich. The cooling is good enough in your particulat Vette to preclude partial vapor lock in your spyder. Most of us are not so lucky. I'm asked how to solve this problem several times a year. By the way, why have you idled your 62 for twenty five years? Don't you think you should turn it off by now?Comment
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This is the 21st century, use a microwave
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Re: You forgot the secret ingredient..............
Dynamite and a very short fuse - mayonaise optional.Comment
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Reid vapor pressure
I believe RVP has actually been reduced in modern gasolines in order to reduce evaporative emissions. With the squeaky clean exhaust of modern cars, evap emissions have become a major HC contributor. Modern injected cars can be successfully started in cold weather on higher RVP fuel because of the superior atomization of forcing the fuel through a small orifice at "high" (30-40) psi pressure. Also, aromatics have been reduced, because evidence indicates that they are carcinogenic.
I'll have to refresh my understanding of the Rochester FI system, but I believe that the idle fuel pressure in the spider is very low, and doesn't some idle fuel go through a specific idle system that relies on manifold vacuum, somewhat like a carburetor?
DukeComment
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