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what is the flow rate of the stock fuel pump?

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Old 12-21-2005, 07:09 PM
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Default what is the flow rate of the stock fuel pump?

search option does not work for my right now.

Can someone help me out here? 1999 Camaro SS LS1 car.
Old 09-07-2010, 12:42 AM
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Bumping this because I have the same question, I searched too and only found this thread...
Old 09-07-2010, 12:59 AM
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Not enough
Old 09-07-2010, 01:39 AM
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doing my conversion i called GM with the same question. They didnt know. I suppose if you can get to talking with a GM engineer they might know.
Old 09-07-2010, 11:28 AM
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roughly 190lph good to about 400-430rwhp
Old 09-07-2010, 02:45 PM
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what can a stock injector flow at max duty cycle (90%)?
Old 09-07-2010, 03:07 PM
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Originally Posted by gregrob
Not enough


Originally Posted by cherryelky305
i called GM with the same question. They didnt know.
Absolutely appalling, this is incompetence at its finest ladies and gentlemen. How can anyone not know the specifications of the parts and vehicles they build and sell? Even in the event that the person you spoke with over the telephone was a complete idiot the least he or she should have been able to do is transfer you to someone who can answer your questions. Incidents such as these ought to serve as a source of deep embarrassment for General Motors.

Sorry for the rant, just needed to get that off my chest.
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Old 07-23-2011, 07:46 AM
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Originally Posted by Nasty N8
roughly 190lph good to about 400-430rwhp
Hmmm, no wonder my VE table was a lot higher than expected in higher rpms. I was compensating for lack of fuel pressure with increased VE table values.
Old 07-28-2011, 12:51 AM
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i sprayed a 100 shot with heads cam on completely stock fuel system (26# injectors..) and ran 7.05 at 99mph... probably a little more then 500 rwhp on the juice. never a problem fuel wise... air fuel on the 100 shot was high 11's to low 12's. maybe i had a good system
Old 07-28-2011, 03:29 PM
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its in the fuel & injector sticky.....



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