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what size injectors

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Old 12-05-2008, 05:33 PM
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Default what size injectors

i am going to install the trick flow 515 hp kit this winter needed to know what size injectors i should get here is a link to the kit

http://store.summitracing.com/partde...0&autoview=sku
Old 12-05-2008, 09:19 PM
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36lb - 42lb should be fine. A Racetronix Fuel Pump Kit wouldn't hurt either.
Old 12-06-2008, 12:11 AM
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Agree with getting a better pump setup like the Racetronix and 36-42 # SVO injectors.....42# would be my choice.
Old 12-07-2008, 01:11 AM
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You can get away with 36 lb/hr @ 3 bar injectors and have a little room to grow or use a 42 lb/hr @ 3 bar injector with more room to grow. Here's the calculation:



Personally, I like the Bosch Design III 36 lb/hr @ 3 bar injectors for N/A 346 applications.

Last edited by 405HP_Z06; 12-07-2008 at 12:18 PM.
Old 12-07-2008, 12:00 PM
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Originally Posted by 405HP_Z06
You can get away with 36 lb/hr @ 3 bar injectors and have a little room to grow or use a 42 lb/hr @ 3 bar injector with more room to grow. Here's the calculation:

[IMG]http://www.andersonperformance.net/fic-formula4437.jpg
I agree, 36's will do you fine, 42's if you have a LOT planned in the future.
Old 12-07-2008, 01:43 PM
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i would get 42#ers and then a 340 inline pump if you plan on making 600hp, the 255 racetronix pump from walbro will only carry you to about 550



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