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-   -   6 X 1000 cc injectors and ground LIM (https://www.rx7club.com/single-turbo-rx-7s-23/6-x-1000-cc-injectors-ground-lim-760655/)

hiboost 06-01-08 12:53 AM

6 X 1000 cc injectors and ground LIM
 
I'm going with T04r turbo and this is what I'm going with for fuel setup: 6x1000cc injectors groung LIM and 2X255hp walbro pumps plus Haltech E8 for tuning.

Any thoughts on this? Any suggestions?

Thanks

whereiscarmensandiego 06-01-08 01:01 AM

my only thought that comes to mind is that is a friggen lot of fuel

BASTARD 06-01-08 01:24 AM

what kind of power are you looking for?

btleier 06-01-08 02:10 AM

ya.... wow. why would you need that much fuel.

CyberPitz 06-01-08 02:53 AM

Are you looking for a million HP?! D:

Stanello 06-01-08 02:58 AM

Guys... 6000cc is not an outrageous amount of fuel, especially with E85 ;)

hiboost 06-01-08 04:28 AM


Originally Posted by BASTARD (Post 8244732)
what kind of power are you looking for?

My current goal is 450whp on 91, and maybe down the road I get WI and go for 500whp. With 6 injectors I feel that I might have a better fuel control. 2 walbro pumps are there to make sure these injectors are 100% operational :)...

AdrianE 06-01-08 06:11 AM

Are you running 1000cc primaries from the GZero LIM, or in the position of the original 550's? When I tried running 850 primaries from my GZero LIM it didn't work too well. Its the "position" that the stock 550 primaries inject that from gives much better throttle response and pickup from idle IMHO.

Also with 1000cc primaries the fuel pressure you'll need to run might be too low, and so may have an effect on the rest of your injection setup which will run at the same pressure. Unless you run 2 fuel regulators...1 for primaries and 1 for secondaries.


Originally Posted by hiboost (Post 8244914)
My current goal is 450whp on 91, and maybe down the road I get WI and go for 500whp. With 6 injectors I feel that I might have a better fuel control. 2 walbro pumps are there to make sure these injectors are 100% operational :)...


RX72NR 06-01-08 09:01 AM

Use 720s or 550s for primaries, 4x1000cc on the secondary rail.

charlies7 06-01-08 09:51 AM

Look into a CJ motorsports fuel systems, they have a newly designed kit that allows you to meet your goals.

glenrx7 06-01-08 10:41 AM

1 Attachment(s)
Well, this is our customer at AZRR, I am going to be running 6 1000cc injectors, these injectors are built by Paul Yaw of Yawpower.com. This is a fuel system that will support 620hp. The injectors are 1000cc high impendence injectors that can run at 1.2ms producing a clean and consistent idle. Also they can run any gas and e85. These are "dynoed injectors" this is good for specific injector information such as "battery dead time compensation" , "injector timing vs rpm". This setup is going to provide better tuning capabilities and more consistent fuel flow across the board.

These can also be run in parallel on a power fc setup due to the ohms resistances allowing two injectors per driver bank on the power fc. So with a ground zero manifold you can run six injectors with the power fc. No more need for resistors that have been proven to be unreliable. We are building a couple of these systems, they are new however we will be giving some impressive dyno information in the furture.

Now as far as the fuel amount many people are using two 1680cc and two 850cc injectors this is 5060cc and they are running out of fuel at high rpm and or high boost. 6000cc is fine if you can run it low enough to idle well and these Yawpower injectors are built for this.

I have attached a sheet Paul has provided for these new injectors, check it out

Jodeny 06-01-08 11:26 AM

Glen,
Why not run 4 1680's in series and either 1000's or 750's (high imp) in the primaries. If you are looking for the most fuel, it seems like this may work for you. I have heard of some people using 1000's for primaries and they sem to work well without too many issues.

John




Originally Posted by glenrx7 (Post 8245223)
Well, this is our customer at AZRR, I am going to be running 6 1000cc injectors, these injectors are built by Paul Yaw of Yawpower.com. This is a fuel system that will support 620hp. The injectors are 1000cc high impendence injectors that can run at 1.2ms producing a clean and consistent idle. Also they can run any gas and e85. These are "dynoed injectors" this is good for specific injector information such as "battery dead time compensation" , "injector timing vs rpm". This setup is going to provide better tuning capabilities and more consistent fuel flow across the board.

These can also be run in parallel on a power fc setup due to the ohms resistances allowing two injectors per driver bank on the power fc. So with a ground zero manifold you can run six injectors with the power fc. No more need for resistors that have been proven to be unreliable. We are building a couple of these systems, they are new however we will be giving some impressive dyno information in the furture.

Now as far as the fuel amount many people are using two 1680cc and two 850cc injectors this is 5060cc and they are running out of fuel at high rpm and or high boost. 6000cc is fine if you can run it low enough to idle well and these Yawpower injectors are built for this.

I have attached a sheet Paul has provided for these new injectors, check it out


glenrx7 06-01-08 01:11 PM

There are a few reasons I am using 6 1000cc instead of a 720cc...First is giving room for increased boost pressure with out upgrading injectors, Two is the transition on a haltech for example is going to be a ton smoother.

The atomization of these injectors are better than any low impedance injector. This gives better and more consistent performance, not to mention you don't need a super big pump to supply the volume and pressures needed in fact at the 620hp calculation we were assuming 45psi, with boost 55psi at the most.

Also, a big plus with these yawpower injectors is the dead time is much less than your typical low impedance or even your stock injectors, in other words this injector open and closes very fast with little drop time.

Think about this, at 8000rpm of a rotary engine, you have like 4millisec to inject fuel, if the injector take 2millisec to open you only have 2millisec left to spray fuel, at hat rpm with large amount of boost you could need 5millisec with a 1680 so you are only really getting 3millisec of fuel with the new injectos we have a fast reaction so we have more time to acually spray fuel.

AdrianE 06-01-08 01:54 PM

At 8000rpm shouldn't you have 7.5ms per cycle (360deg) to inject fuel, not 4ms? That would give you 6ms, if dead time is 1.5ms.


Originally Posted by glenrx7 (Post 8245535)
There are a few reasons I am using 6 1000cc instead of a 720cc...First is giving room for increased boost pressure with out upgrading injectors, Two is the transition on a haltech for example is going to be a ton smoother.

The atomization of these injectors are better than any low impedance injector. This gives better and more consistent performance, not to mention you don't need a super big pump to supply the volume and pressures needed in fact at the 620hp calculation we were assuming 45psi, with boost 55psi at the most.

Also, a big plus with these yawpower injectors is the dead time is much less than your typical low impedance or even your stock injectors, in other words this injector open and closes very fast with little drop time.

Think about this, at 8000rpm of a rotary engine, you have like 4millisec to inject fuel, if the injector take 2millisec to open you only have 2millisec left to spray fuel, at hat rpm with large amount of boost you could need 5millisec with a 1680 so you are only really getting 3millisec of fuel with the new injectos we have a fast reaction so we have more time to acually spray fuel.


glenrx7 06-01-08 02:42 PM

According to Paul Yaw its 4.6millisec at 8000 I need to do the math but I am sure thats the case. Eitherway the point is that a fast responce is better...

glenrx7 06-01-08 03:31 PM


Originally Posted by AdrianE (Post 8245624)
At 8000rpm shouldn't you have 7.5ms per cycle (360deg) to inject fuel, not 4ms? That would give you 6ms, if dead time is 1.5ms.


You must be talking rev per milisec, that being said you are not injecting all of that time.....You are not injecting the full 7.5millisec
If you have 8000rpm you would then devide 60sec by 8000 giving you 7.5 millisec, is this your math? You would not be injecting this entire time...

glenrx7 06-01-08 04:02 PM


Originally Posted by charlies7 (Post 8245126)
Look into a CJ motorsports fuel systems, they have a newly designed kit that allows you to meet your goals.

Sup Charlie.... We are of course are using CJ-motorspots dual pump bracket, I am working with Charles and Brandon, hopefully they will be able to offer this 1000cc injector with there fuel rails in the future.

TweakGames 06-01-08 07:52 PM

Are these special yaw power injectors available to be purchased by normal people?

glenrx7 06-01-08 08:17 PM


Originally Posted by TweakGames (Post 8246495)
Are these special yaw power injectors available to be purchased by normal people?

Pm me and we can talk.....This is something we sell for Paul as a distributor.

ErnieT 06-01-08 08:29 PM

You have a tiny turbo. You'll never hit 600whp with it, no matter how much fuel you have. So run 4 1000cc inj. and you'll still have more than you need. Trust me, Im speaking off experience.

glenrx7 06-01-08 09:08 PM


Originally Posted by ErnieT (Post 8246607)
You have a tiny turbo. You'll never hit 600whp with it, no matter how much fuel you have. So run 4 1000cc inj. and you'll still have more than you need. Trust me, Im speaking off experience.

ErnieT, you are the man, however the goal is not to run 620 but have the fuel for it....thanks man your advice is always welcome.

ErnieT 06-01-08 09:17 PM


Originally Posted by glenrx7 (Post 8246748)
ErnieT, you are the man, however the goal is not to run 620 but have the fuel for it....thanks man your advice is always welcome.

You lost me. Why run all that injector if your only going to hit say...500ish? Isn't that a waste?

glenrx7 06-01-08 10:07 PM


Originally Posted by ErnieT (Post 8246791)
You lost me. Why run all that injector if your only going to hit say...500ish? Isn't that a waste?

Having extra fuel is something I like if you can still idle well. The fact is if we were shooting for 400 I would use 780 and 4 1000cc injectors, but we are shooting for 550hp. And yes it can be done, Jrat is making over 500 on a s5 engine with a lot less porting, and it is the same t67(to4r)...

ErnieT 06-01-08 10:09 PM

Cool, good luck. Bridge it! :)

Viking War Hammer 06-01-08 10:28 PM

Glen, I haven't forgot about you !!!!!!! :)

glenrx7 06-02-08 01:11 AM


Originally Posted by Viking War Hammer (Post 8247034)
Glen, I haven't forgot about you !!!!!!! :)

Man do I need to start watching my back or what War hammer wants me.....Yikes "I am not Bionic I like the women" Hahahhahh

Yeah Eric, its all good! I am not going to give Erinie anything

glenrx7 06-03-08 11:43 AM


Originally Posted by AdrianE (Post 8245624)
At 8000rpm shouldn't you have 7.5ms per cycle (360deg) to inject fuel, not 4ms? That would give you 6ms, if dead time is 1.5ms.

Ok so to give you some clairification,,,Your math is correct if you are using (1/(rpm/60)*1000) however the effective intake stroke is only 270 degrees.

Of course that can very with intake duration changes....

glenrx7 06-03-08 04:32 PM

4 Attachment(s)
so atleast they are pretty cool injectors...Wthi this injector you can run 6 with out using a add on controler with the power fc....

coxxoc 06-03-08 05:42 PM

Looks like a Delphi injector. Let us know how they work out. I've never seen anything bad come from Yaw.

Josh

to_slow 06-04-08 01:08 PM

looks like i found what injectors i will run on my 3 rotor ppt :).

TweakGames 06-05-08 07:52 PM

I was wondering, the injectors say they respond well to higher fuel pressure. What fuel pressure were these injectors dynoed at getting their 600, 680, 780, and 1000 cc/min ratings?

Thanks
~Tweak

AnthonyNYC 06-07-08 09:56 AM

Good luck with your setup.

I run 4x1680cc and had a lot of fuel left at 600HP on a GT42. Car idles good at 800@1.3ms, secondaries are staged 100% at 5 psi. no issues with transition.

If I had the GZ manifold, I would go with the setup Jodeny mentioned.

Anthony

oorx7 06-07-08 10:50 AM

These were taken on Thursday, the date is not set right on my camera. The primary rail will have a one piece stanchion instead of the stacked one. The hardware will all be the same as well. The injectors shown are Bosch 1600's, they were the only ones I had on hand.

BTW. This kit will allow 6 injector setups to be a bolt on affair. Of course you will have to run the GZ LIM.


Here are the teaser pics.
http://i217.photobucket.com/albums/cc96/oorx7/2-1.jpg

http://i217.photobucket.com/albums/cc96/oorx7/1-1.jpg

:icon_tup:Special thanks to Kai for letting me use his GZ manifold for testing.:icon_tup:

TweakGames 06-07-08 12:48 PM

Wow that is beautiful. How much does it cost to have special rails made like that? I am still unsure if there are adapters, or what for the yaw power injectors to fit in a 13b-RE. Not sure if I can use the s4 t2 fuel rails with the little adapter shown in the pictures, or if I will have to have something custom made like yours.

Thank you for sharing!
~Tweak

oorx7 06-07-08 04:54 PM


Originally Posted by TweakGames (Post 8265037)
Wow that is beautiful. How much does it cost to have special rails made like that?

www.cj-motorsports.com





Originally Posted by TweakGames (Post 8265037)
I am still unsure if there are adapters, or what for the yaw power injectors to fit in a 13b-RE. Not sure if I can use the s4 t2 fuel rails with the little adapter shown in the pictures, or if I will have to have something custom made like yours.

Thank you for sharing!
~Tweak

Unfortunatly I cant answer this question about the 13B-RE, as the kit I make is for the REW.

ErnieT 06-07-08 05:01 PM

That Twin fuel pump assembly set up that CJ Motorsports sells is damn nice:icon_tup:
As well as the fuel rail

oorx7 06-07-08 05:22 PM

Thanks Ernie, as is your FD! :)

joe-c 06-07-08 05:48 PM

yes it is i cant wait for a release date.

KaiFD3S 06-08-08 04:05 AM

Guess I found my injectors

2a+RoN 06-09-08 06:20 PM


Originally Posted by TweakGames (Post 8260800)
I was wondering, the injectors say they respond well to higher fuel pressure. What fuel pressure were these injectors dynoed at getting their 600, 680, 780, and 1000 cc/min ratings?

Thanks
~Tweak

They are all different sized injectors ran at standard 3 bar (43.5psi) fuel pressure. I have been out of town for the past couple weeks, but will check this thread to see if anybody has any questions.

Thanks,
Aaron

to_slow 06-10-08 09:50 PM

Man these injectors are going to look nice on my 3 runer 12 injector set up:).

http://img503.imageshack.us/img503/3...e003xr7.th.jpg

Broken09 06-11-08 10:20 AM


Originally Posted by to_slow (Post 8275300)
Man these injectors are going to look nice on my 3 runer 12 injector set up:).

http://img503.imageshack.us/img503/3...e003xr7.th.jpg

Holy insanity!

glenrx7 06-11-08 11:08 AM


Originally Posted by to_slow (Post 8275300)
Man these injectors are going to look nice on my 3 runer 12 injector set up:).

http://img503.imageshack.us/img503/3...e003xr7.th.jpg

Nice Chip, let us know how it ends up.......Looks scary, you turbo charging that beast?

KaiFD3S 06-11-08 03:34 PM


Originally Posted by to_slow (Post 8275300)
Man these injectors are going to look nice on my 3 runer 12 injector set up:).

http://img503.imageshack.us/img503/3...e003xr7.th.jpg


Holy Mother of God....LOL...No wonder you sold me the Twin Bosch setup....

hiboost 06-14-08 11:50 PM


Originally Posted by to_slow (Post 8275300)
Man these injectors are going to look nice on my 3 runer 12 injector set up:).

http://img503.imageshack.us/img503/3...e003xr7.th.jpg

F**kn, all mighty, 12 injectors :), 3rotor ultimate.. man you got some serious money behind... What turbo are you gonna run? Dont tell me its going to be N/A. :)
good luck and keep us posted

to_slow 06-15-08 08:29 AM


Originally Posted by glenrx7 (Post 8276431)
Nice Chip, let us know how it ends up.......Looks scary, you turbo charging that beast?

The turbo will be a gt45r with a 1.44 housing. Got an email from Paul with a dyno sheet on my injectors, From the looks off it, these babys are going to flow and work nice with my set up :).

Will have some more update pics soon.

Thanks Glen

to_slow 06-15-08 08:41 AM


Originally Posted by KaiFD3S (Post 8277418)
Holy Mother of God....LOL...No wonder you sold me the Twin Bosch setup....

The reason behind seling the twin pump set up, I went with a belt driven Aeromotive fuel pump rated at 2000hp. Also it does not draw amps from my alt :).


http://img503.imageshack.us/img503/5...e002gs5.th.jpg
http://img253.imageshack.us/img253/5...e004ku0.th.jpg

Will have more updates pics soon...

Carlos Iglesias 06-15-08 03:39 PM

I'm in... 1000cc Yaw Power primary injectors to flow before a couple of gushing 1600s.

FWIW, loooks like I'll need to transition around 2.5 and 3.0ms to pickup the secondaries on their flow curves "sweetspot."

Tried all week (though I only left one message) to get a hold of CJ Motorsports with no-joy. Guess I'll just need to "roll my own" custom primary rail to fit the shorter injectors.

charlies7 06-15-08 04:13 PM

PM oorx7, he'll get back to you asap.

Carlos Iglesias 06-15-08 10:14 PM

Bite my tongue... sent OORX7 a PM and got a reply within a couple hours. Still not positive if it'll work out due to my tight timelines, but we're working on it together.... I can't ask for any better service.


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