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NEW Racetronix 79LB/HR HIGH IMPEDANCE FLOW-MATCHED INJECTORS

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Old 11-15-2007, 08:52 AM
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That is freakin sweet....
Old 11-15-2007, 08:58 AM
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These should be fun to tune at idle..
Old 11-15-2007, 02:38 PM
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Originally Posted by Darren P
people

really


it says it in the link that he posted and in post #8

I think they are waiting for offset data like I am.... you NEED this data, ESPECIALLY for SD tuning. Bad offsets fuxx0r up your VE and make your mapping incorrect.
Old 11-15-2007, 06:31 PM
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I still havent found good offset data for my 60's, anyone have a good offset for the Siemens 60's?
Old 11-15-2007, 07:17 PM
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C'mon guys. This thread is about "NEW Racetronix 79LB/HR HIGH IMPEDANCE FLOW-MATCHED INJECTORS"

Thanks
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Old 11-15-2007, 07:24 PM
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Originally Posted by Frost
I think they are waiting for offset data like I am.... you NEED this data, ESPECIALLY for SD tuning. Bad offsets fuxx0r up your VE and make your mapping incorrect.

+1


.
Old 11-15-2007, 07:33 PM
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Originally Posted by Racetronix
C'mon guys. This thread is about "NEW Racetronix 79LB/HR HIGH IMPEDANCE FLOW-MATCHED INJECTORS"

Thanks
Send me a set for testing I promise feedback.
Old 11-19-2007, 01:59 PM
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Originally Posted by Racetronix
C'mon guys. This thread is about "NEW Racetronix 79LB/HR HIGH IMPEDANCE FLOW-MATCHED INJECTORS"

Thanks
Right. So can you answer Frost's questions (post #10)? Thank you.
Old 11-20-2007, 12:19 AM
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All available technical info is listed in our ad.
In the past we have explained why we and the injector manufacturers do not provide PCM / software specific data. The data produced on our flow bench will not mimic data used by the factory PCM. This is because the injector driver circuits, wiring harnesses, etc. are different from what is in a car. Our injectors are used in 100's of different applications. Most of the injector PCM data being circulated on the forums is generated by end users or tuner shops. Although this data may not be technically accurate, it serves its purpose and makes most injector types D-I-Y tunable.
If we acquire any further (LS1 tuner) data on this injector we will be sure to post it. We will be monitoring feedback from our dealers and customers.
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Old 11-20-2007, 12:30 AM
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so these are stock ls1 length and plugs are for a stock fbody computer?
Old 11-20-2007, 03:31 AM
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Originally Posted by ls1408cp
so these are stock ls1 length and plugs are for a stock fbody computer?
Yes, this is correct. If you have an application which requires USCAR connectors (LS2) we have adapters:



If you require LS2 lower Viton o-rings we can include them at no extra charge provided it is noted with your web purchase.
The dimensions are linked in our web ad:
http://www.racetronix.com/01D129xFM.html
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Old 11-20-2007, 09:04 AM
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Wow great product guys, I might need a set over the winter for another project.
Old 11-20-2007, 11:34 AM
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Thanks Racetronix.
Old 11-23-2007, 05:09 PM
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Originally Posted by Rhino79
79 lb/hr at 43.5psi, that comes out to 91 lb/hr at 58 psi!!
sorry but what the hell does this mean. that these are 91 lb injectors
Old 11-23-2007, 05:13 PM
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and can some one post what these will support on boost? please
thanks
Old 11-23-2007, 05:36 PM
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Originally Posted by Big Bird WS6
sorry but what the hell does this mean. that these are 91 lb injectors
He's saying they are rated at 79lbs at 43 psi of fuel, so at the higher fuel pressure, they will flow 91lbs, so yes they are 91lb injectors at LS1 fuel pressure. But they are still 79lbers at my stock fuel pressure.
Old 11-25-2007, 01:42 AM
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Originally Posted by wannabess
He's saying they are rated at 79lbs at 43 psi of fuel, so at the higher fuel pressure, they will flow 91lbs, so yes they are 91lb injectors at LS1 fuel pressure. But they are still 79lbers at my stock fuel pressure.
so then what is ls1 fule pressure at?
Old 11-25-2007, 02:39 AM
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Originally Posted by Big Bird WS6
so then what is ls1 fule pressure at?
58PSI / 4 Bar / 400KPa

http://www.onlineconversion.com/pressure
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Old 11-25-2007, 04:11 AM
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Originally Posted by Big Bird WS6
sorry but what the hell does this mean. that these are 91 lb injectors
Most injectors are rated at 43.5 psi, as are these at higher fuel pressure the flow rate will be higher.
Old 11-25-2007, 06:20 AM
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Keep in mind this nugget also

Originally Posted by Racetronix Website
All tests run with n-Heptane (0.6855g/mL) @ 20oC (+/-1oC), 3.0 Bar (+/-0.01 Bar) (43.5PSI) , 14VDC (+/-0.05VDC), peak/hold (4A/1A) driver. Engineering data specifies a flow ratio of apx. 1.035:1 when converting to gas.


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