When Should You Switch To A Dual Injector Setup (Pros & Cons) - Jays Tech Tip
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- Опубликовано: 15 окт 2024
- In todays video, Jay touches on dual injector systems.
While some cars may benefit from switching to two injectors per cylinder, that isn't always the necessary route. Find out when is the right moment to switch and how to do so properly.
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A tech tip on how to read plugs properly would be good, love your work
Yes this👆👆👆👆👆
Great idea
Definitely a really important piece of info Jay please do it
Please @RealStreetPerformance ! This would be excellent.
Very much need!!
The ford sierra cosworth rs500 had dual injectors per cylinder from factory but the second stage wasnt used on the road car it was purely a homologation thing for the group A cars
I have been doing this since 2006 on my Buick Grand National engine equipped Malibu. I cruise around on 93 pump gas and have 116 octane going in the engine after 12 psi of boost. It's ABSOLUTELY THE BEST modification I have ever done to my car. I highly recommend doing this if you can. You CAN do this mod with your original ECU with pressure switches and relays even though Jay says you can't. I know you can because I've done it.
The Ford RS200 had an inlet manifold with siamesed fuel injectors.
The Sierra Cosworth RS500 had one fuel injector in the runner and one on the plenumcover.
6:01 The supercharged 5.4L Modular engine in the Ford GT had an intake with two injectors per cylinder.
Nice one Jay. I went to a staged side by side system. ID1050x and ID2000. The plan is to have the secondary injectors run anywhere from "-5psi" and above even if it's just a little bit, to help keep it clean. The benefit of the side by side over a dual rail is simplicity of plumbing. Downside is what you already described, so I hope that by using them in transitions to boost, not just in boost, that it'll keep it cleaner, longer. I'll add it to my annual inspections to remove the manifold and clean the runners in any event. Already every year I change all orings in the fuel system.
Hi Jason! you may want to delay the secondary injection a bit longer. What you may experience is a richer than ideal mixture as the secondaries come in due to the minimum fuel the ID2000 can inject. Just keep moving it up until your mixture is proper. I will agree with you on the plumbing statement but feel upstream will always have an advantage from charge cooling to keeping the port clean. I currently have a RMR with side by side injectors on my 2jz. If I could make peace with cutting the apron for a Plasmaman with upstream injectors I'd do it in a second! Thanks and I hope you're well.
Ford seirra cosworth rs500 had staged injection hardware fitted from factory for homologation race purposes but missing ecu parts and mapping to operate. Race teams then enabled it.
Jay, cleetus, and Steve morris all drop videos at the same time. Surprised to find myself clicking this one first!
Those are good dudes! I'm glad we have them! Thanks
Clear, concise, to the point. Thank you for explaining something I understand yet struggle to teach others.
Great information as always
Glad you enjoyed it
This was a super comprehensive video. Thanks for taking the time to give us this walkthrough
You're very welcome!
Thank you for clearing some thing’s up for me
All the new dual injection ford coyote engines!
Keep it coming! Ford Gt
More to come!
Very informative video thank you. Perhaps in the near future you can show us parts required and how to install a dual system from the lpfp end right into the secondary rail.
Good evening Teacher Jay...Knowledge is Power.
Hello there! We agree. Thanks for watching.
Hello: With the GEN 3 5.0L Coyote being port and direct injection I'd be interested in seeing what you think about the system and what it's strategies are.
If we are talking about stage port injection it’s going to be the RS 500 if we are talking about direct injection and port injection as a staged system that is going to be the later models of Mustang GT
tanks jay love your vidéo so mucht good infos ,,,,,,,,,, 795 hp daly street smal block chevy 12 LBS W procharger and good hold carb ,,,😃😃,,,,,,,BUTS (( home made power valve))
I have a 1.3L that comes from the factory with staged injection, even in N/A format. This uses staged injection not because it requires a lot of fuel but because it has very little time. Rotary engines have half the amount of time to inject fuel at a given rpm compared to a piston motor.
Good looking out
You would've caught everyone from the USA with that question Jay but not us foreigners, ESPECIALLY the ones who were fans of the world's quickest one tearing a certain mountain apart for years and beating up Godzilla (no matter what the record books say, in 1992 it crossed the finish line while Godzilla crashed BEFORE THE RED FLAG CAME OUT! 😁)
The answer is the Ford Sierra Cosworth RS500. 😎 All hail the DJR Shell Sierra, the king of all Sierras. 😈
It is a fantastic vehicle! So much awesome came out of Rally racing! Thanks
@@jaymeagher1510 While the Escorts and RS200 were rally monsters Uncle Jay, the Sierra's were built for Group A Touring Car racing. Here's a quick 4 minute history of the DJR Sierra, the king of all Sierra's. 😈👍
ruclips.net/video/B0TcptAlu4E/видео.html
@@MafiaboysWorld I'll check it out! Thanks
Interesting and informative💎
Glad you think so!
I think the 2018 Ford F150 uses staged injection that have an Ecoboost engine. I dont remember the liters but I belive they use it, right?
Yes/Kinda. There are a handful of modern engines that use both DI and Port injection. You certainly get the best of both worlds. Thanks
What about 5000+ cc billet atomizers? Can you clue us in on those Jay?
What would you like to know? They're much more of a service item than the small sealed bosch based offerings. Thanks
@@jaymeagher1510 As far as fuel atomization, minimal pulse widths are they fairly close to the Bosch 2000-2150s? What fuel pressures do the billet atomizers like?
@@05redser The engines I work on are pretty small so I haven't had injectors that large in my hands. The amount of fuel at minimum PW is quite a bit and because they're mostly run on Methanol on "dry" blocks they use the overfueling to cool the cylinders. Base fuel pressures with mechanical pumps seem to be 75psi and operating pressure depends on boost. I do know that the guys that stay on top of keeping moisture out of the fuel systems have far less trouble with large injectors. When you're needing to flow this much fuel you get into fuel cells with -12 or -16 open vents and depending on your climate water in the fuel can be a real headache to the injectors. Thanks
@@jaymeagher1510 Thanks for the reply! I was considering doing a 3000cc billet atomozier vs doing a 2 injector setup on a 1100hp 4 cylinder setup. Think I would just opt for the 2 injector per cylinder setup.
Not a Ford guy, but, GT40?
Nah, probably some obscure turbo Escort from the 80's...
All the new coyote engines!
@@Jonny_trans are you a Ford guy, if so, Voodoo or Coyote? Can you drop a voodoo crank into a Coyote??
They are interchangeable. At that point you would need voodoo heads and cams.
Great Advice
Thanks!
Eco 3.5l comes w sequential fuel injection
ford sierra cosworth rs500
Wait , got to call out the statement that you need more fuel to make the same power, usually that more fuel = more power , not proportionally but the change in oxygen or cooling in the fuel type gives you gains.
It is a different fuel.
Foor E85 for example the the air to fuel ratio is 9.9 to 1 in stead of 14.7 to 1
So you have right there almost 50% more fuel with the same amount of air.
Now I understand that you can make more power with the same amount of air when using E85 but this difference is less than this 50%.
The power increase (with the same amount of air) is around 20%
So his statement is true, when using E85 you need more fuel to make the same power...
I hope this helps. I'm not an efi specialist and I might be wrong but this is how I understand it. 😁
@@timvanderstarre9021 this is a great debate as i have seen on many occasions using less fuel makes the same power. Example a 250hp motor on 98 / 18 psi, then makes 290hp on e85 using 30% more fuel and timing, at 18psi. Drop the boost to 12psi on e85, it makes 250hp again but is actually using less fuel than it did on 98. Yes this is a knock limited example but that's what this fuel does. The thing is everyone opts for the more power that comes with using the more fuel. So it's not a comparison many people will make. A huge amount of factors play here, boosted is a big one. The most common retort to my above statement is that scientifically the potential energy of petrol is greater than E85. Which is true of course but ignores the engine efficiency which is very low and the cooling effect of fuels plays a massive part. At the end of the day my call out was to be a little less black and white about it, as more often than not at stoich, the more fuel is more power.
@@zeroyon9 Oooh, fuel debate, lemme in! 😂👍
As you already know, it's always a balancing act between power making and cylinder cooling. Now the 30% is always a myth. 9.9:1 AFR compared to 14.7:1 AFR is actually a 60% increase, but due to fuel density and BTU's of each fuel, the total volume of fuel used is less than that and equals that 30% number you're quoting. 👍
Let's not get into the oxygenated unleaded like MS109 vs e98 debate. 😂
waht about additional injector controller
Maybe f150 raptor?
Kinda owned by ford but Mazda rx7 definitely had staged injection even in the 80s I know second gens did but I think the later first gens did too now that I think about it.
Might as well just do double medium, stock or more or less
Yb cossy
Advantages: it's all good
Disadvantages: none
Coyote