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08-28-2018, 07:53 AM | #1 |
Not Yet Wild
Join Date: Aug 2018
Posts: 16
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EFI vs carb?
How do the two compare? Same power?
Any advantages of one over the other? I think I would prefer to go EFI but wanted to see what everyone else thought first before ordering. I need to give plowmans a call and see what he can do more with or see if what he can do with the EFI will suit my needs? Thanks |
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08-28-2018, 09:21 AM | #2 |
Gone Wild
Join Date: Dec 2010
Location: Woodstock,GA
Posts: 1,088
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Re: EFI vs carb?
There is no comparison between a carb. and an EFI system!
The carb is a mechanical device with no brain! it has know idea what the rest of the engine is doing. It does not have a way of computing how much air the engine is getting. It just delivers the fuel. The EFI uses sensors to tell the computer how much air is in coming, sends the proper amount of fuel for the best, cleanest burn. For the largest explosion, That is what we want, the air fuel has to be correct. If your old enough to remember cars with carb's we had to change spark plugs 1 or 2 times a year because the carb. was over fueling the engine. Now with EFI we never change them. Its because of proper fuel/air ratio. As a result our piston rings and valves also last much longer and better fuel mileage. |
08-28-2018, 10:33 AM | #3 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,682
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Re: EFI vs carb?
EFI is less maintenance, don't have to clean it and rebuild it like a carb. Don't have to worry about choke, cold starts, etc. it just "works"
However, down side is down the road several years serviceability is not as easy because everything is computerized. And parts are more expensive. Carb dies, $40 for a rebuild kit and a can of carb cleaner, you're back up and running. With EFI the fuel pump, injector, computer, etc. cost will be a lot higher to replace parts. If you add high flow air filter, exhaust, etc. tuning can be a lot more difficult than just upgrading a jet in the carb. There's up sides and down sides to everything. Personally I would pick EFI. it just works better overall. part failures are uncommon, but do happen so worth noting. |
10-22-2018, 10:22 PM | #4 |
Gone Wild
Join Date: Sep 2017
Location: Kankakee, Il
Posts: 194
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Re: EFI vs carb?
I have had cars and boats with carbs and efi, maintenance is reduced with the fiel injected however you should index your plugs, that said if you index them with a carb they will run slightly better also. With the injection you program the engine profile... so it runs according to programming. We use less than 1/2 the fuel at 3/4 throttle from wot, not a huge difference in speed. Plugs will last longer , it will run cleaner. Fuel injection will suffer more from old or water in the gas so I use marine stabol in everything. when a carbrated motor is running poorly I suspect crappy gas , nothing like fresh gas and new plugs to refresh performance.
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10-23-2018, 12:58 PM | #5 |
Gone Wild
Join Date: Jun 2010
Posts: 734
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Re: EFI vs carb?
I've had both. Have EFI now. Two main things you would notice just driving them is the throttle response and smoothness is better on a more consistent basis with the EFI and there is a lot less gas fume smell when running the EFI over carb.
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