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60lb motron injectors

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Old Sep 14, 2009 | 04:32 PM
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Default 60lb motron injectors

How much Hp can the motron injectors support?
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Old Sep 14, 2009 | 05:17 PM
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We've pushed over 800rwhp 800rwtq. Anything above that, and i'd switch to the 80's. Actually, if you haven"t bought them yet, i'd go to the 80's immediatly.

Safely, I would run high 600's to mid 700's
Originally Posted by denscor
How much Hp can the motron injectors support?
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Old Sep 14, 2009 | 06:17 PM
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With my car having 820Hp I'm on the line? Would this be a reason why the car is hard to tune?Its maxing out the injectors?
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Old Sep 14, 2009 | 06:23 PM
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"hard to tune" meaning at WOT and the upper RPM's? Look at your injector pulse width at top RPM's. It is maxed out around 19ms. Even if you command more, it won't pulse any more than the time that's available in that window. The other thing is what is your fuel pressure reading up top? That will affect your ability to tune upper WOT if your pumps are unable to supply the volume.
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Old Sep 14, 2009 | 06:26 PM
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Mine were AT 110% wot @ 6700 RPM AT 12.5 LBS OF BOOST. That was 770rwhp.
Fuel system is a in tank 255lph and an external 255lph. I now run 80's but have not been to the dyno since.
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Old Sep 14, 2009 | 06:39 PM
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Originally Posted by BLOWNBLUEZ06
"hard to tune" meaning at WOT and the upper RPM's? Look at your injector pulse width at top RPM's. It is maxed out around 19ms. Even if you command more, it won't pulse any more than the time that's available in that window. The other thing is what is your fuel pressure reading up top? That will affect your ability to tune upper WOT if your pumps are unable to supply the volume.
Fuel pressure stays at 60 all the way up top. yes its at 19ms so a set of 80lb are what might be needed.

Last edited by denscor; Sep 14, 2009 at 06:42 PM. Reason: spelling
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Old Sep 15, 2009 | 04:02 PM
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Hey buddy, Yes, you definately need injectors..

I think we are just about the cheapest around. We typically stock 5 or 10 sets of each. If you need a set, I'll hook you up.. If you get a set in the month of Sept, ill sell you a set for 369.00 SHIPPED. These are the Mototron (Siemens Deka) 80lb injectors with the EV1/Minitimer connector, and long body design.

That is a serious serious hook up deal.

Just call in to the shop, and tell them that I ok'd it, and they will get them out for you.
Originally Posted by denscor
Fuel pressure stays at 60 all the way up top. yes its at 19ms so a set of 80lb are what might be needed.
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Old Sep 15, 2009 | 09:10 PM
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Originally Posted by Jeff @ TPE
Hey buddy, Yes, you definately need injectors..

I think we are just about the cheapest around. We typically stock 5 or 10 sets of each. If you need a set, I'll hook you up.. If you get a set in the month of Sept, ill sell you a set for 369.00 SHIPPED. These are the Mototron (Siemens Deka) 80lb injectors with the EV1/Minitimer connector, and long body design.

That is a serious serious hook up deal.

Just call in to the shop, and tell them that I ok'd it, and they will get them out for you.
I have a ls7 intake with the adaptors to use the ls1 injectors is this what I need?

Last edited by denscor; Sep 15, 2009 at 10:07 PM.
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Old Sep 15, 2009 | 09:40 PM
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Originally Posted by denscor
With my car having 820Hp I'm on the line? Would this be a reason why the car is hard to tune?Its maxing out the injectors?
I would try a set of the 80lb SIEMENS DEKA injectors - they are High Impedence and work well with our PCM's

Thanks,Matt
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Old Sep 16, 2009 | 02:37 AM
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Are you running long body, or short body injectors?
Originally Posted by denscor
I have a ls7 intake with the adaptors to use the ls1 injectors is this what I need?
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Old Sep 16, 2009 | 02:05 PM
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My build probably makes 770rwhp @ 13psi w/ a 70/30 water to meth spray and I'm maxing out the mototron 60lbers that are in the car. I have the 80s to put in as well I need to vacuum reference the regulator on my return style fuel system (A&A).
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Old Sep 16, 2009 | 05:49 PM
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Originally Posted by Jeff @ TPE
Are you running long body, or short body injectors?
I'm running long ones! I will call you tomorrow and order them! I will tell them that you said to do it!
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