Carb Vs. FI - Victory Forums - Victory Motorcycle Forum
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post #1 of 36 (permalink) Old 03-03-2014, 04:29 PM Thread Starter
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Default Carb Vs. FI

Just taught my HD riding neighbor the difference between Carbs and EFI.
it was 0 F last night, and 12 today.
He was loading his Ultra Classic on the trailer to head to Daytona.
His shits been on a battery tender and wouldn't start cuz it's too cold.
I waited til he left and went out and fired up the Hammer (not on a tender).
Let it run for about 40 minutes and went out to shut it down.
He was back and said " you just had to start that didn't you?"
I told him that I waited until he left because if it started he would be embarrassed, if it didn't then I would.
He said he would send me pix of him riding where it is warm.
I envy that prick, he is going down for a month.
I'm sure someone here will explain to me that it wasn't the fact that his is HD, and mine is Vic as to why they did/didn't start, and someday it will be mine that doesn't start, but oh well.
It was fun while it lasted. And fun to poke at a friend.
P.S. it was a whole lotta fun helping him push his bike (900# Pig) up into the trailer.

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Last edited by 8BallHammer; 03-03-2014 at 04:32 PM. Reason: added a few morelines
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post #2 of 36 (permalink) Old 03-03-2014, 05:36 PM
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Where did he get a EG classic that heavy? They are closer to 850 or even a bit less.
Fuel injection really does have the advantage of adapting well. Once you have set the needle jet and have installed the main jet your carb is basically set. There are minor things you can do like idle mixture and idle speed but they are also set and forget items. FI can adapt to wide variations in conditions, which is why everyone is going to them to meet EPA standards. As long as he stays with a carbureted engine yours will always be easier to start. A modern HD also uses fuel injection for the same reason everyone has gone there.

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post #3 of 36 (permalink) Old 03-03-2014, 05:55 PM
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I've owned both Harley and Victory. I really dont see that much difference. Mechanically the engine design is way better but they use the same production idea. They make one motor and put it on every bike. Pretty much the same thing Harley does.......

Harley is "add a part, change the model." Victory pretty much does that too.

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post #4 of 36 (permalink) Old 03-03-2014, 06:08 PM
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carbs have a lot of parts where as FI only have o-ring and a cylinder.
His didn't start just cause of the oil or timing off.
You lucked out

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post #5 of 36 (permalink) Old 03-04-2014, 06:22 AM
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I'll take FI over a carb any day for ease of starting and performance. Roadside issues not so much but those are few and far between.

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post #6 of 36 (permalink) Old 03-04-2014, 06:34 AM
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Not to start a pissing contest mrtappan, but HD does not use one motor for all. Recall the 883 and 1200cc motors that power all incarnations of the sportster. The V rod used a completely different water cooled motor as well. I will concede that the 103 is now the motor for most unless you customize.

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post #7 of 36 (permalink) Old 03-04-2014, 07:09 AM
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Carbs when tuned right will out perform a EFI system. EFI will start when it is cold compared to a Carb. EFI is better for ozone where a Carb pours raw fuel out the exhaust. Pros and Cons just how you look at it. Victory - Harley Pros and Cons I own both just how you look at it.

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post #8 of 36 (permalink) Old 03-04-2014, 07:58 AM
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Quote:
Originally Posted by gibson View Post
Carbs when tuned right will out perform a EFI system.
I'm an old carburetor guy... I can make one or a rack of 4 Mikuni carbs run seamlessly...

However, I would love to see you back up your claim that carburetors will out-perform fuel injection.

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Last edited by half_crazy; 03-04-2014 at 08:08 AM.
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post #9 of 36 (permalink) Old 03-04-2014, 08:04 AM
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Quote:
Originally Posted by visionjohnny View Post
carbs have a lot of parts where as FI only have o-ring and a cylinder.
On what planet?

FI relies on high fuel pressure, so the fuel pump is very much an integral part of the deal... then there are fuel rails and injectors, then the throttle body, then the various sensors to give information to the ECU... and lastly, the ECU itself.

Carburetors are shit-simple compared to EFI.

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post #10 of 36 (permalink) Old 03-04-2014, 08:49 AM
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I have a VTX 1300C that got a Dynojet kit, air kit, and a set of Bubs. This bike is 10 yrs old gets started and ridden maybe once a month now. My son says it runs perfect. We rode Sunday and he's right. I have not done shit to this bike except simple maintenance. Not even a battery tender as the last battery went 8 yrs.
Oh sorry: My point is its carbureted. REC90 fuel is what I try to run in it as it sits a lot. I'm just amazed that this carb performs so well. Now the carb on honey's 750? Sucks! Ethanol got to that carb and played havoc. The Mikuni's on the VTX 1300's are excellent carbs and respond well to jetting. Still prefer fuel injection though.

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