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Offline shortribs
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« Reply #20 on: October 05, 2014, 10:10:44 am »
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 Karl Yes u can u can probably get 12 mpg at least if its a gas rig and not over 23-5 foot if its a big rig then u can still crank out about 4-5 more mpg keep at it u can make it better,been mechanician for 60 yrs now as am 72 u can beat the gas crunch with vapor I promise.  shortribs  

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Offline Karl
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« Reply #21 on: October 05, 2014, 10:18:12 am »
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Thanks guys.  When it comes out of warranty I'll look into it.

Shortribs. It's 33 feet 15000 lbs 12 ft tall  it's a big rolling block going down the road.
Wind can really screw up mileage also. I never go more than 65 mph.

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« Reply #22 on: October 05, 2014, 10:20:44 am »
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Quote:Posted by homefire
X you need the Carbs Butterfly Valves to Regulate the Fuel/Air.  On a Carbureted Engine you need to Shut the Fuel off the Carb.   In a Fuel Injected engine with Computer control you may get away with the computer shutting down the Injectors detecting it's getting enough fuel?   Other wise like the guy in on vid, pull the Fuel Pump Relay.   I'm going to play with this.

Like Shortribs I've been a mech for a very long time. I stopped doing the job when I got my commercial divers licence but I still remember how an engine works LOL a bike engine 4 stroke is the same as a car engine with the exception that they are all build for performance and hence have one carb to each of the cylinders. One would have to make an intake manifold going to all of the cylinders (with a butterfly to control RPM) and being that there is a constant flow of vapor I cant see it hamper the performance. I was thinking more mileage for long distance like Belgium South Africa, something that I've always wanted to do but never got the opportunity to do, but if I did this vapor fuel would be a good plan, I hate getting stuck in the middle of the desert.     

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« Reply #23 on: October 05, 2014, 10:41:06 am »
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Hi X hope ur doing better. the vapor thing will get u about triple mileage as if u read my notes the older trucks with out sensors etc will get better mileage but I have the small bottle (like the size of a coffee cup) so my mileage isn't as good as the quart size, also mine doesn't lose any power as if a large (gallon) size jar u would have more volume but its stated that u lose a little power in a big rig. mine never has been unfaithful and it ONLY works when the car etc gets warmed up to suck up the hot air to vaporize the gas, its a marvalus item to use and simple. Would work on ur cycle as have had (22) in my livetime. Use a quart size METAL bottle and ur cycle with 4 carbs should work when u get it tuned with the vapor bottle.  It's wonderful this thing work so well and not a lot of pipeing etc to do on a unit whether a car or cycle or lawn mower. just be sure to filter the air going in to ur bottle if its terribly dusty. Yep the desert with out a ride is the shits I promise. On a lawn mower u can take off the carb and gas tank  shortribs.

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« Reply #24 on: October 05, 2014, 11:27:24 am »
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I still wonder if the pistons would 'burn'.  I've known in the past of carbs that ran too lean causing these problems.  Burned valves?  I guess that would happen also, but I've heard it said more about the pistons. 
I know that a 'hot' burning fuel is hard on valves.  Before 1973, the valve seats in the heads of 296 cid truck engines were soft enough that burning propane for fuel would burn the seats out enough for the valves to 'fall' through. 

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« Reply #25 on: October 05, 2014, 12:19:57 pm »
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Yes I've read all the youtubes and I really don't think u would burn out the valves. else my pickups would have went down hill before I sold or traded them. The newer cars with fuel inj. and a computer will manage that as if car is too hot it will squirt more fuel etc to pistons etc. actually the new computors on cars will monitor this more than the older ones. My little system has a fuel line comming off the return line on my injector line back to the fuel tank. that's where there is less fuel pressure. the bigger bottles just has a different set up as u pour gas in the container or have a float in the container to adjust the level of gas and u never have to stop and fill the container up. 200-260 mpg aint bad for a little bit of tinkering.   shortribs.  stay well

Posted on: October 05, 2014, 12:02:06 pm
You might have merit in useiung the quart or gallon bottles  about burnt valves as mine is so small I only vaporize a small amount at a time in my system and my computer takes care of it .so I don't worry but with a bigger volume u might be right just a thought,  shortribs

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« Reply #26 on: October 05, 2014, 02:06:22 pm »
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I did not yet take the time to look at how the evaporator works but I should think that an ultrasonic system should work quite well, this vapor could be heated by the exhaust system but just how big should the pipe be? is there a formula to respect?

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« Reply #27 on: October 05, 2014, 04:39:03 pm »
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X u need to get on youtube and see some of those and u will get it right.  most new cars u have to pull the plug on the the fuel injectors or some don't even bother. the pipe or hose going into a quart jar is about 1/2in  inside dia. the one coming out of the jar is about the same size or larger, the secret is not to have but about 1/2 jar full of gas at any one time as u need room for the gas to vaporize. and yes u can use an atomizer as u stated but otherwise u still need some heat to get the gas to evaporate in summer no problem in winter u have to suck air from the manifold or radiator hose to have enough heat to vaporize.just like we did when we had a carb and the air hose from the exhaust manifold that went to the air filter intake to keep it from freezing up the carb,remember that???  U need to use a METAl container as a glass will bust from heated air and heat from under hood.   shortribs

Posted on: October 05, 2014, 04:33:54 pm
Mine is so small all I have is a needle valve to set the amount of gas that goes to mine and that's all no moving parts and set it and forget it on the larger ones (quart) size is another matter with heat and shut off valves to regulate the amt of flow to carb or air box as they are now called.  shortribs

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« Reply #28 on: October 06, 2014, 12:05:48 am »
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Thanks mate I'll have a look at it all on YouTube.

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« Reply #29 on: October 07, 2014, 12:56:11 pm »
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As I stated, that was a 1968 engine.  In 1973 the seats were made harder and could stand the propane.  I ran a 1976 Chevy, 350 cid V8 on propane from about the time it was new until about 1996.  I ruined the first engine at about 257K miles because of a timing chain.  The second engine had over 238K on it when I sold it.  It's a great fuel.  Very little engine contaminants, plenty of power; but a little less mpg than gasoline.  Back during those years, I saved lot of money on the tax.  This was in Texas.  The state allowed a once per year payment of $168 for taxes.  I was burning enough that I was saving quite a bit more than the $168.  Instead of changing oil every 3K miles, I changed it about 4500 to 5K.  It just looked a bit brown when I drained it.  Really a great fuel.  Now the taxes and the price per gallon is so expensive, I can't afford it.

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