Is EFI way better than having a carb.? I was talking to a friend of mine today on the bus, and he said that having a carb. is way better for racing. He races dirtbikes nationally and owns a KTM.

 

Ya hes right. EFI is more convienient and all but when it comes to racing you want to have a carb. Reason being if something goes wrong it is very easy to diagnoise it in a carb, on a EFI if the mapping or something goes bad your screwed. Also carbs can be adjusted more accurately.

MIke.

 

And a horse and buggy is better than one of those newfangled automobiles.

A Carb is infinitaly tuneable but it can also be way out if the temp or barometric pressure and a host of other things change. a Good EFI will compensate.
Fuel in a float bowl sloshes around changing jetting also. Bogging on a landing is usually caused by this
Most of the really fast classes of car racing are injected. Nascar will not allow injection in a effort to keep costs and speed down.

 

Yes carbs cab be adjusted more accuratly to fit one riding climite/ area but EFI can adjust on its own. So I guess for racing EFI can be better buttttttttttttttttttt, the new R450 is fuel injected. Doesnt EFI give you more consistant power or better throttle response or something?

 

The old carb vs. efi battle. It has alot to do with preferance. Car or truck yes definatly fuel injection for me, better gas mil. My quad on the other hand, Im sticking with my carb. For simplicity and cost reasons mainly. but im selling my quad and i love my girlfriend to death and im going to ask her to marry me to morrow, whay do u guys think.... NO this isnt his g/f... She has nothing to do with this....LOL So waht should i do... i love this woman.... She is so beautiful, i wish u could c her...LOL

 

I would say for somebody who is not so mechanically inclined and just wants to ride and not worry about the carb, EFI fits the bill. Fore someone who wants to build their machine you can go either way.
To me it's just the new fangled thing to have. Next will be throttle bodies. Not that I know the differance.

 

For all the times my floats are off kilter climbing hills or bouncing around in the whoops, EFI is a welcome site.

 

the only 2 places carbs are better, is the pocket book and top fuel dragsters. EFI still cant flow enough fuel for the price as a giat toilet bowl sitting on top of a blown tunnel ram intake. But as for quads EFI is the way to go a single cyl engine will not consume more fuel than can be provided by a couple of injectors. For relabilty, they are very good not many probs with them.

 

I have news for you top Fuel is injected.

 

Correct Sir! Blown & Injected running on Nitro Methane[img]i/expressions/face-icon-small-cool.gif[/img]



I used to be a die hard carb man I knew my way around a holley 750 annular discharge with 4 corner idle adjustments blindfolded. Ran em on both big and small block drag cars for years, then went to Winged Sprints. In the winged sprintcar class I raced when we first started out we ran 350 chevs on methanol with a carb. I never had any problems but many did and that made it easy for me to dominate. Then they changed the rules to allow F.I. I was a holdout and started getting beat by the guys with fuel injection who I was beating on a regular basis when we were carburated. I learned the in's and out's of Mech F.I. and after running it you could not ever give me a carb again on a race engine.
Went thru the same thing with Mini sprints. They run 600CC sport bike engines on methanol only now with EFI & power Commanders instead of carbs. I'll tell you what it don't matter how good of a driver or tuner you are if you have a carburated machine now your lapped traffic and that's a fact I've seen it every Friday night for the past few seasons. No one runs carbs in the 600cc or 1200 cc class anymore, the can't compete with the EFI. The same thing is going to happen with the Race quads after the guys get the new EFI Suzuki 450 dialed in. They rest will follow suit and those running carbed machines will no longer be as competitive IMHO.[img]i/expressions/face-icon-small-wink.gif[/img]


To answer the thread starter's question IMHO EFI is better and in the future that's all your going to see on ATV's
It is already the norm on Snow machines.