Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

Will 160's be enough

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Old Dec 30, 2008 | 05:37 PM
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Default Will 160's be enough

I used the fuel injector sheet above, but I was not sure if it is different for low Impedance Injectors. My goal is to make 1300 rwhp. So I put 1500 bhp in there and it says that I need 150lbs a min.

Again just trying to confirm that low imp and high imp use the same chart.

Thanks in advance!
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Old Dec 30, 2008 | 06:13 PM
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This what I come up with



Fuel Injector Worksheet

Actual Desired Crankshaft Horsepower B.H.P. 1800

Number of (same size) injectors to be used 8


Brake Specific Fuel Consumption desired 0.65


Maximum Injector Duty Cycle you will see 80%


System fuel pressure @ fuel rail 58


PSIG
(Static flow) injector required @ test PSI of 43.5

158.32 Lbs/Hr 1664 CC/Min
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Old Dec 30, 2008 | 06:28 PM
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i have made 1100whp with 96's and 2500bhp with 160's.They will be more than adequate.You could use 120's with the right fuel pressure and regulator
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Old Dec 30, 2008 | 07:09 PM
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I have been talking with a few e85 guys and it's looking like we can see upwards of 1400fwhp with E85 and the right fuel pressure using 160s, but they will be almost maxed out... I think he was around 1200fwhp at 80%DC . Remember E85 takes 30-40% more fuel than non alcohol gas...

I have heard of there being 210s in the bosch style as well, but I dont know anything about them...
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Old Dec 30, 2008 | 07:53 PM
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Thanks very much, thats what I wanted to know.
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Old Dec 31, 2008 | 08:41 AM
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"I have heard of there being 210s in the bosch style as well, but I dont know anything about them..."
I had 2 sets on the bench, and found them to be at least 210.. Closer to 230#.
Story I heard was, they were not supposed to be sold, but got here anyway. Supposedly no longer available. They were in the $850/set price range. Last set I saw were $1200.
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Old Jan 1, 2009 | 11:22 AM
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Originally Posted by Old Geezer
"I have heard of there being 210s in the bosch style as well, but I dont know anything about them..."
I had 2 sets on the bench, and found them to be at least 210.. Closer to 230#.
Story I heard was, they were not supposed to be sold, but got here anyway. Supposedly no longer available. They were in the $850/set price range. Last set I saw were $1200.
This is true about the 210's.

And the 150's are now also discontinued and selling for a VERY high price at most places (read $200 per injector)

We still have a couple sets and have them for $79.95 each flow matched.

~Rich
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Old Jan 1, 2009 | 11:46 AM
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Originally Posted by Shawn @ VA Speed
i have made 1100whp with 96's and 2500bhp with 160's.They will be more than adequate.You could use 120's with the right fuel pressure and regulator
When you say the right regulator is there a special one. I am using an areomotive one right now. It is also the vacume regulated one also. If I can get away with 120's I would love to

Does anyone have any that they want to get rid of!
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Old Jan 1, 2009 | 12:41 PM
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I'm running 120's +1000rwhp (T400 automatic) with a weldon regulator(best imho) and the duty cycle is in the low 60's at 55psi base pressure ramped up with boost 1:1. 120's are a great street/strip injector.
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Old Jan 1, 2009 | 01:54 PM
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Originally Posted by sevanseriesta
When you say the right regulator is there a special one. I am using an areomotive one right now. It is also the vacume regulated one also. If I can get away with 120's I would love to

Does anyone have any that they want to get rid of!
When i say correct regulator i mean a rising rate regulator.The 120's will easily supply enough fuel for your hp goals
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Old Jan 2, 2009 | 09:11 AM
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Thanks, again
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Old Jan 2, 2009 | 05:51 PM
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Originally Posted by onfire
I'm running 120's +1000rwhp (T400 automatic) with a weldon regulator(best imho) and the duty cycle is in the low 60's at 55psi base pressure ramped up with boost 1:1. 120's are a great street/strip injector.
Who did you end up going with on your injectors?
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Old Jan 2, 2009 | 07:22 PM
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Originally Posted by sevanseriesta
Who did you end up going with on your injectors?
At the time I bought them only Racetronix carried the Standard brand injector in a 120lb.
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Old Jan 2, 2009 | 08:27 PM
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I bought the Trick Flow ones from summit. I could not really beat the price for 400 shipped.
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