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GTP injectors(36 LBers)

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Old 06-09-2008, 02:44 PM
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Default GTP injectors(36 LBers)

Bought a used set of 8 yesterday for 115 shipped, how much power are these good for and how much do they really flow at our 58PSI fuel pressure. I did a search but got numerous different answers, also how hard are these to tune?
Old 06-09-2008, 02:57 PM
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What is the part number on the injector? They should be the same as sold by FAST as part # 303608. See the following threads:

https://ls1tech.com/forums/fueling-injection/929314-need-injector-advice.html
https://ls1tech.com/forums/fueling-injection/929481-does-injector-flow-sound-right.html
Old 06-09-2008, 03:17 PM
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Dont have the part number yet, they just shipped out today, they're the stock injectors from the supercharged L67 3.8L GTP. I'll let you know the part number when i get them
Old 06-09-2008, 08:05 PM
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These injectors should have Bosch part # 0 280 155 868
Old 06-11-2008, 01:38 PM
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On my 98 Buick Regal I maxed out my stock injectors at 280whp at 41psi with vaccum.
Old 06-12-2008, 05:18 PM
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ok i got them today, they have 2 part numbers, on one side it is 24508208 and on the other side its 0 280 155 811, anyone have any insight on these
Old 06-13-2008, 09:15 AM
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The 0 280 155 811 is supposed to be a cross for the 0 280 155 868, but I cannot 100% substantiate that. One trusted source shows the '811 flowing 34 lb/hr @ 3 Bar where the '868 is a 36 lb/hr injector.

Source: http://www.witchhunter.com/flowdatapix/b0280155811.jpg
Old 06-13-2008, 09:29 AM
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what does that equal out to on our fuel pressure



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