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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

22r vs 22re

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Old Apr 21, 2010 | 08:49 PM
  #21  
Al_84_TOY's Avatar
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my trucks carbureted and i wouldnt want to switch to an efi setup i can get more power out of my weber
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Old Apr 22, 2010 | 12:06 AM
  #22  
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I guess its blondes or brunettes then, providing that you've tried both and prefer one over the other. I just prefer EFI having tried both.
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Old Apr 22, 2010 | 02:38 AM
  #23  
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EFI for the win...I like to think of it as analog vs digital - digital ALWAYS KICKS ASS lol.

But seriously....EFI is the most efficient method of fuel/air delivery, hence why the 22Re came with slightly more power than the 22R despite the blocks and internals being identical.

EFI is much easier to maintain (what does that word even mean any more?) although takes specialist skills to tune after market. I think the biggest argument for people who prefer carb is the abilty for any DIY mechanic to tune. It needs to be noted however that EFI needs no maintenance.

my trucks carbureted and i wouldnt want to switch to an efi setup i can get more power out of my weber
This is funny on two levels...one it is incorrect, two you are comparing stock vs aftermarkert which makes your quote stupid.
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Old Apr 22, 2010 | 04:28 AM
  #24  
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From: Downtown Heckronto, Ontario, Soviet Canuckistan
Uh, I wouldn't dare compare it to being like analog vs digital, at least in the true sense of both, a lot of things people consider to be completely digital are actually a mix of analog and digital devices. Analog circuitry is very pervasive and without it your computer work not operate anywhere near as good as it does at all! Analog circuity is what makes things like SATA and PCI-E possible at the speeds they operate at. I am a physical designer for analog and digital ICs and while you can usually just do place and route with digital (let the computer do the work), analog circuitry requires a human touch to pull off properly (a computer just ain't smart enough to take into account all of the requirements for good analog circuits) and without it many things you use every day would not be possible. Analog computers are also a heck of a lot better at hardcore math than digital ones, usually because they are purpose-built for such tasks. Your TV, digital camera, microwave, stereo, and even your car would be infinitely more complex and less efficient without analog circuitry and signaling! How do you think all those sensors work in your EFI-equipped truck? Those are analog devices, if they were digital, they'd be larger and way more prone to failure. A digital circuit can't "read" constantly changing values beyond 1s and 0s, a lot of those sensors work by changing resistance or capacitance which requires analog circuitry to be "read" properly and translated to something a digital circuit can actually work with. I'd be out of a job if digital was superior.

Anyways, my truck has a 22R in it, stock AISIN carb, and I'd have to disagree about EFI setups being easier to maintain, but I guess it has to do more with what you're experienced in working with. I can rebuild a carb with a reasonable amount of success, but you put an EFI system in front of me to fix and you'll be lucky if it works at all once I'm done with it. I'd never switch my truck to EFI, you can call me stupid all you want, but really I think with the 22R series of motors, carb vs EFI is more a religious issue than a practical one. Sure there's power differences, but really, no petrol engine ever runs at it's "rated" horsepower for extended periods, so what's 10HP higher in rating when in reality you might actually only get 2 or 3 on a regular basis. Different people prefer different things, but a properly tuned carb can easily match the performance of some of the older EFI setups.

Oddly enough, the original diesel method of fuel injection is one of the most efficient methods of fuel delivery, this is where the fuel is actually pressurized with compressed air instead of more fuel and at least a few newer diesels are supposedly going back to this method though I can't think of any examples off hand. Even petrol motors can benefit greatly from this setup since it improves atomization immensely.

Last edited by Magnusian; Apr 22, 2010 at 05:10 AM.
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Old Apr 22, 2010 | 11:50 AM
  #25  
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My first comment wasn't entirely serious, thanks for clearing that up.

All I am saying is that EFI doesn't need maintenance...sure you can rebuild your carb, but with EFI there is nothing to rebuild in the first place - ever.
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