Alternative Fuels

back once again ... fitted a slightly larger t25 turbo on the astra ,and did a day of testing on the chassis dyno ,it seems to be quite good , http://i32.photobucket.com/albums/d44/ivanhoew/astradynosummary_zps0110fb1e.jpg i did a bit of experimentation with timing and mixture ,and thought it might ...

hello all , thought id share a bit of this project . i built my first lpg conversion on my mk3 astra van in 2003..,with a 2 litre 8 valve ,fairly tuned .it dynoed at 145 lb/ft of torque and 140 odd bhp if i remember correctly ,and used a omvl vaporiser and the plastic cone insert omvl mixer ring .wi...

mike i wonder what would happen if you put a big capacitor in the line to the ignition ,and left the line to the propane cuttoff as is .? would the capacitor hold enough to run the spark for long enough to let the propane out of the pipes enough.... i suppose it would depend on the size of the capac...

thanks for that franz . i was wondering if anyone had really measured the differences , eg if you stick a set of weber carbs one barrel per cyl , on a fuel injection engine , you can sometimes get an increase in power ,with a venturi on each inlet ,instead of an open fuel injection inlet , i have pu...

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thanks for that franz .
im trying to put a longer reply on here but its seems to be forbidden ...software prob with the site ? ill try again

i was wondering about the system to fit to my next propane project ,and needless to say , i want power and economy !lol mixer ring pros, cheap, easy to adjust ,used it before .reasonable power 133 bhp on 2 litre ,and economy 23/35 mpg . cons restriction in inlet even on a 2 litre with a 42mm ring ,f...

Actually, I have run an OMVL reg with an Impco 225 with no problems. I was able to play with the idle adjustment screw to obtain about the same draw vacuum needed for the 225 (about 1.5" wc). Would I do it again? If I was playing around with different mixers, including venturi, baseplate, variable ...

i have a few questions i wonder if the forum could help me with , 1) an impco 55 flows 115 cfm approx ,and is rated at 100 bhp ( i think ) if i blow through it with a turbo ,does its capacity for fuel flow stay the same ( with pressure pipe to the vapouriser ) so at whatever boost i run , it will st...

this is my latest propane powered project , its a mini engine with a fiat head 16v on top , oh and turboed .a couple of pictures http://i32.photobucket.com/albums/d44/ivanhoew/project%20%2025/project25027.jpg http://i32.photobucket.com/albums/d44/ivanhoew/project%20%2025/project25030.jpg theres the ...

it runs !!!!!!hot diggity dog oh yes . after getting the psark a bit more powerfull with a msd dis2 box , i tried to run it and got all the same results , so i tried cloing down the main mix to half ,and holding it on full throttle ,it started to try to catch ,so i leaned it off to the leanest it wo...

i now have the strobe flashing on cranking so thats good . if i leave it for a while and then hold the piston up with a socket , about half open ,then crank it , it will fire 3 times then go back to just cranking . im wondering if its worth trying to wire in an msd cdi to fire it a bit more energy i...

so far , i have checked , compression ,ok , spark plugs ok gapped to 25 thou ,ht leads ok ,cam timing marks ok and it has vacuum on inlet and compression . what i have found is if i do a plugs on the top of the rocker box ,test ,they all spark away happily,if i put my strobe on the lead to no 1 , it...

steps , i run a wste spark ford edis system , so there is no rotor arm or distributor . ill check timing again anyway just to be sure . franz , there is compression ,cams are timed in at 112 lca,compression ration set at 8.8 to 1 ,fresh honed bores and good rings etc , hydraulic tapets are recieving...

my problem is i cant get this poxy engine to start !!lol its a small 1300 cc 4 cylinder engine , in what i think is good cond ,just built , compression cam timing spark etc ,all seem good , running a waste spark ford system ,and im trying to just get it to run on a test bed (my drive) so i got a imc...