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description says it all. are they any good for just dunig or mainly a drag carb? I know this is not the carb of choice on this site but i need some help. If there is anything better, please suggest. And, are there any benifits of going alky vs, gas? i know it will run cooler and fuel consumption goes way down. But what are your thoughts? I am runnig a 340 pv right now and need a bigger carb that is why i am asking this question. thanks guys
 

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I've never used it, but it seems like it is kinda a pain in the butt. It eats up aluminum if you don't clean everything up good after every ride. I think it would be a higher fuel consumption since it takes a small pump and huge jets. I've also heard that the oil in the fuel doesn't mix as well with alky. It tends to separate so you have to be careful about that.
 

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well, i have run just about every carb you can imagine, on alky and gas....I LOVE LECTRONS on ALKY!!!!! i have had gas lectrons, but the keihin 40.5 or the mikuni 41.5tmxx just seems to work so much better on gas IMO. i have lectrons on all my alky motors. i really like the keihin 40.5. It has been my Gas choice forever. I recently just bought a 88 from a buddy that has a 350 non PV cyl, and t has the 41.5 tmxx, and im in loe with that carb. Super torquey, and a ton of top end. I thnk if you are just duning, the 40.5 keihin is the way to roll. Now, as for the alky......everyone gets alky mixed up with battery acid.....and thats not the case. it will not eat aluminum...You do use about twice as much alky to gas. you will need a fuel pump, depending on if you have a billet bowl, and what kinda riding you are doing. for just duning, stick with gas. Alky and oil do seperate depending on what oil you use. We run REDLINE ALKY PREMIX. it is different from your regular redline oil. THE TUFF IS AWESOME. i have heard of guys not even purging when they use it, but i always do. Alky on the other hand does gum up....kinda turns to a milky white chalk.... so it is important to keep your carb clean.
 

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Well, I was close.
 

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i always heard if you run alky you will need different fuel line because it tends to eat regular one over a period of time?
 

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Once one takes the time to learn how a Lectron works, they are a snap to tune. I wouldn't say that they are just for duning or drag racing. My National 330 built by Tom Carlson was paired with a Lectron that he set-up and bench tuned. It was an awesome set-up for sure.
 
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