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750cc injectors installed and running....

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Old May 13, 2004 | 01:40 PM
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Default 750cc injectors installed and running....

I've been writing a little about my car on this post https://my350z.com/forum/showthread....threadid=73429 , but this is the latest news.

Mods are in my sig. + RC 750cc injectors, Helix test pipes and 2 Blitz Dual Drive blow off valves. I spoke to Mark at SGP today and he said the car was driving fine and everthing was going as planned except the car wouldn't idle, he said it was because the E-manage could not make that big of a correction on injectors as large as these. The car would run fine as long as its not idle. So what he's going to do is get the ECU reflashed by Technosquare from what he says this will make the ECU think that the stock injectors are 380cc and allow him to fix our problem, and at the same time raise the rev limiter to 7200rpm and raise the idle a little.

Basically all we need at the moment is the reflash, arrangements for that are being done as i type.

So its just a few days until we see some dynos, i'm hoping to break 600rwhp but we'll wait and see, i'll keep you updated.
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Old May 13, 2004 | 02:07 PM
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good luck man!
your car is going to be super crazy!!!

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Old May 13, 2004 | 02:14 PM
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ditto.. we should see some serious power with what you put in this beast.
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Old May 13, 2004 | 02:51 PM
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whooly crud.. i cant wait to hear the numbers!
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Old May 13, 2004 | 03:30 PM
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Can the eManage control injectors this big?
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Old May 13, 2004 | 04:30 PM
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S12 driver: I think SGP found that it can't, it's having Idle issues so they are going to trick the ECU to think it has 380cc to begin with rather than the factory 280cc. Then scale it up with the e-manage. I guess we'll see how this turns out when Kudos post more info
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Old May 13, 2004 | 04:57 PM
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Originally posted by 350Now
S12 driver: I think SGP found that it can't, it's having Idle issues so they are going to trick the ECU to think it has 380cc to begin with rather than the factory 280cc. Then scale it up with the e-manage. I guess we'll see how this turns out when Kudos post more info
Oh. But why not just have TS flash the ECU to accept 750cc injectors, then just do fine tuning with eManage?
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Old May 13, 2004 | 06:04 PM
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I think because TS would need a car there with 750's.

The 380's are what PE uses with their twin tubro kit, so TS already has the map for those. Should give SGP the breathing room they need, since the E Manage can compensate +/-50%
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Old May 14, 2004 | 08:41 AM
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what were the injectors made for?
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Old May 14, 2004 | 09:07 AM
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Originally posted by Z1 Performance
I think because TS would need a car there with 750's.

The 380's are what PE uses with their twin tubro kit, so TS already has the map for those. Should give SGP the breathing room they need, since the E Manage can compensate +/-50%

The eManage can control injectors 150% bigger than stock. It can actually control even larger injectors, but driveabiility and idling can become an issue. It's cool that people are experimenting with bigger and bigger and bigger injectors...testing the limits of the eManage.
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Old May 14, 2004 | 10:20 AM
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Make sure you keep an eye on your timing advance. Pulling that much fuel with the emanage is going to yeild a lot of advance.
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Old May 14, 2004 | 11:26 AM
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If you can get the fuel system working properly you are going to have a crazy car. My guess is 700+ rwhp @ 25psi ... how much boost are you planning on running ??? you can break 600 rwhp easy with 15-16 psi if your fuel system/tuning is running properly in IMHO ...we shall see!
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Old May 14, 2004 | 01:14 PM
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Originally posted by 350Now
S12 driver: I think SGP found that it can't, it's having Idle issues so they are going to trick the ECU to think it has 380cc to begin with rather than the factory 280cc. Then scale it up with the e-manage. I guess we'll see how this turns out when Kudos post more info
i couldn't have said it better myself.
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Old May 14, 2004 | 01:17 PM
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Originally posted by Z1 Performance
I think because TS would need a car there with 750's.

The 380's are what PE uses with their twin tubro kit, so TS already has the map for those. Should give SGP the breathing room they need,
Exactly.
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Old May 14, 2004 | 01:26 PM
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Originally posted by S12 driver
Can the eManage control injectors this big?
Even bigger, check this guy out he's running 850cc injectors, boosting 30psi on the stock MAF in his supra. http://mohdparts.com/supra/index.html
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Old May 14, 2004 | 03:26 PM
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Originally posted by etx
Make sure you keep an eye on your timing advance. Pulling that much fuel with the emanage is going to yeild a lot of advance.
ETX, doesnt the eManage scale the injectors via reduced pulse width...or it MAF manipulations. I cant remember, but I think the eManage can only ADD fuel via increase IPW, but to reduce fuel, I think it does MAF conditioning. Can you confirm for us?
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Old May 14, 2004 | 06:12 PM
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Originally posted by SQUILL
If you can get the fuel system working properly you are going to have a crazy car. My guess is 700+ rwhp @ 25psi ... how much boost are you planning on running ??? you can break 600 rwhp easy with 15-16 psi if your fuel system/tuning is running properly in IMHO ...we shall see!
600whp is not going to be easy at 15-16psi, and i doubt it'll make 700+ at 25psi. It may sound easy, but it's not gonna be...
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Old May 14, 2004 | 09:59 PM
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According to Danny of TS, the stock ECU/TS reflash cannot control RC injectors, it can only control PE injectors. As per his explanation, RC injectors are simple on/off injectors, while PE have finer flow control (or smth., I may be wrong here). So, I am not sure how it would go for you, given that our ECU cannot directly control RC injectors. I guess the 550cc PE injectors would NOT be enough, would day?

Gurgen
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Old May 14, 2004 | 10:21 PM
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wOW... that is a very large injector for a piggy back such as the E-Manage... at least it should run good at full throttle...
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Old May 14, 2004 | 11:43 PM
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Default Re: 750cc injectors installed and running....

Originally posted by kudos
[B. So what he's going to do is get the ECU reflashed by Technosquare from what he says this will make the ECU think that the stock injectors are 380cc and allow him to fix our problem, and at the same time raise the rev limiter to 7200rpm and raise the idle a little.

Basically all we need at the moment is the reflash, arrangements for that are being done as i type.[/B]
This is very interesting This might solve the problems for the stock block cars boosting 9-11 psi as well...cant wait to see the results!
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