High Imp Injector help

[Halon]

So it seems the latest craze is some of these high impedance Bosch EV14 injectors. Apparently they are a newer technology then the old EV1 Bosch 1600's that so many of us are running (and most of us have come to learn they need constant attention because they just seem inconsistent). Main thing is they are a lot faster of an injector, which allows for much improved tunability and drivability. Reports of nearly stock feeling idle capabilities with these, even though they flow 2000cc. Also keep in mind these are high impedance, which means removing your resistor pack and jumpering the leads on the stock harness.

The main thing that has stopped me from purchasing some of these newer Bosh high impedance 2000cc injectors, is the fact that you will be dishing out somewhere between 800-1000 bucks for a set of 4. Just for reference, these Bosch ones are often referred to as EV14 injectors. Also another tid bit, is apparently the EV14 ones do not work with C16 fuel. Seal issues or something. But they are rated to be used with E85.

What I now noticed is Five-O motorsports is offering injectors that appear to be very similar to the EV14 high impedance Bosch 2000cc units. They are selling 2000cc EV6 high impedance injectors made by Denso. And it appears you can get a set of 4 of them, with the extenders to make them bolt up to a DSM, and wiring adapters to plug into our OEM harness, for $480 shipped. I am not an injector expert, but is there anyone on here that is that can comment about the difference between EV14 and EV6 injectors?

What I believe I understand so far is this.
-The old EV1 1600's are unstable mainly due to their slow response time, but also have poor spray patterns which doesn't help also. This is why they idle poorly, and also have low throttle issues.
- The EV14 2000's run/idle so much better, and most of that is due to them just being faster overall. This is why the allow the car to idle like stock. Also they have an improved spray pattern
- The EV6 2000's are pretty much identical to the EV14s when it comes to how fast they operate. They have a much improved spray pattern over the EV1's, but not quite as good as the EV14's.

So I guess I'm just looking for some feedback. The EV14's are basically priced out of my range. So I'm curious if these EV6's are a good alternative that are affordable.


Couple links:
EV6's from Five-O
http://cgi.ebay.com/ebaymotors/4-Fiveo-Asphalt-2000cc-Fuel-Injectors-Toyota-Mazda_W0QQitemZ370269157919QQcmdZViewItemQQptZRace _Car_Parts?hash=item5635c2fa1f

EV14's from FIC (Injector Dynamics also sells these but for a hair more):
http://www.fuelinjectorclinic.com/cgi-local/commerce.cgi?preadd=action&key=IS225-2150H

And found EV14's from Five-O, although these are sized for an evo, not dsm:
http://cgi.ebay.com/ebaymotors/4-Bosch-NGI2-210lbs-hr-Fuel-Injectors-Adapters-Evo-8_W0QQitemZ350303653458QQcmdZViewItemQQptZRace_Car _Parts?hash=item518fb98e52


Random exerpt I found regarding the differences between EV6 and EV14:
In 1992, Bosch introduced the EV6, which is thin like a pencil with the USCAR two-pin plug. Mustangs didn't get this injector until '99. The improved Bosch EV14 injector showed up in 2001. What makes the EV14 better than the EV6 are nice refinements that improve performance and reliability: improved spray pattern; a single molded body that will not leak; and fewer parts. The EV14 is interchangeable with the EV6.

[4g63tcrazy]

Also interested after seeing what people are talking about on the link forum. If they're everything they're said to be, then for that price they would be AMAZING injectors.

[FattyBoomBatty]

So, it says "don't use with Q16 and other oxygenated fuels." I remember 'non-oxygenated' gas was the cool thing for slow cars back like 8 years ago, which leads me to assume that most regular gas at the pump is oxygenated.

What I'm getting at is that you can't take a cross country road trip with these injectors, right?

[Halon]

I don't have an answer for you on that. But that information is in regards to the EV14 injectors correct? I think (not 100% sure) that the EV6's do not have the same issue regarding oxygenated fuel as the EV14's do.

But that is why I'm asking because I'd love to hear more from others who are smarter than I. All I know is what I'm reading about, and sometimes it's hard to decyfer the facts from the BS ya know!!!

[FattyBoomBatty]

Yeah, the EV14's. I wonder if that warning is like the warnings against using e85 on a stock fuel system. It'll rot your lines! (In 10 years).

[v8klla]

Email sent to FIC as I would like to know myself ;)

[Shane@DBPerformance]

Oxygenated is more of a general term that could mean different things depending on the exact fuel though. It is known that Q16 is corrosive though and will eat away at your fuel tank, if you leave it in too long.

One of the biggest problems with the old 1600s are that they are not linear. More pulse width from the computer doesn't always actually give more fuel out of the injector(it can give less) at low flow, which makes them a pain to tune at idle/low load.

Not all of these 2000cc-2400cc injectors are the same or the same quality.

http://www.t1racedevelopment.com/en/blog/Are-all-2000cc-injectors-created-equal-.html

http://injectordynamics.blogspot.com/?zx=df4d71d5f993d297

[Kracka]

Oxygenated used to be a general term for ethanol or MTBE gasoline additives, but now if you see something called non-oxygenated it just means 100% gasoline and 0% ethanol. Regular gasolines contain between 0-10% ethanol depending on current market prices and state regulations. Also, remember that "ethanol" isn't actually pure ethanol and contains between 2-5% of a denaturant (depending on market prices) such as natural gasoline (not the same thing as natural gas).

[Halon]

Shane, those articles are mainly geared towards the EFI Wizard injectors, which I understand are EV6 correct? What I don't know, is are those EFI ones are the same or different then the ones Five-O is selling?

[Halon]

http://www.fiveomotorsport.com/domestic-high-performance-fuel-injectors/

You can find some usefull info on their sales part of their site.

They have some specs on a lot of injectors, including the typical 1600's many of us are running now, as well as the EV6 Denso's and EV14 Bosch's.

Couple tid bits:
EV6 deadtime: 1.15ms @14v
EV14 deadtime: 0.45ms @14v

Anyone know what our ECU's are capable of? I am pretty sure DSMLink V3 just recently did an update where they were able to get it to respond down to like 0.8ms, but before that it was a little above 1ms I think. So someone like me who is still rocking V2 probably wouldn't be able to take advantage of the EV14's.

Or am I completely understanding this all wrong?