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

what size injectors do i need?

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Old 08-09-2007, 12:31 AM
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Default what size injectors do i need?

i have a p1 procharger and want to run 12psi...im running 8 now with stock injectors and about at redline, maxing out fuel..

people recommended me 36#. What do u guys think? I'm gonna run methanol with my 12 psi
Old 08-09-2007, 01:54 AM
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Originally Posted by razorclaw99
i have a p1 procharger and want to run 12psi...im running 8 now with stock injectors and about at redline, maxing out fuel..

people recommended me 36#. What do u guys think? I'm gonna run methanol with my 12 psi
I'd go bigger than what you think you need. You can tune about any injector to run in your application.
Old 08-09-2007, 03:47 AM
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Who told you to do 36s? Whoever it was does not know anything. Never listen to them in your life. I run 60s on my car at 10 psi. Skip 42s. I did 42s then I had to upgrade to 60s because I was running out of fuel up top. Do 60s. Bob from www.exoticperformanceplus.com has a deal on them right now.
Old 08-09-2007, 03:49 PM
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I am going to upgrade my 42's to 60's because I am going with a 408 but My 42's worked fine for then but did not leave much room for growing. If you are buying a new set go for the 60's there not much more. but if you want a used set with about 12,000 miles on them I would let mine go for about $225.00 shipped. PM me if you are interested
Old 08-11-2007, 02:54 AM
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I like the Siemens Dekka 55lbs. My fav. high-Z injector. For low-Z I like the Siemens Dekka 86lbs. Well made, handle very high fuel pressures and good spray pattern.
Old 07-16-2012, 03:54 AM
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Originally Posted by MNR-0
I like the Siemens Dekka 55lbs. My fav. high-Z injector. For low-Z I like the Siemens Dekka 86lbs. Well made, handle very high fuel pressures and good spray pattern.
i was wondering about those dekka 55lbs. im looking at getting some, i found some cheap and was wondering how they hold up compared tot he 60lbs?
Old 07-16-2012, 04:14 AM
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60's. That will give you plenty of room to grow in the future. 42# will work perfect for your power level your wanting right now though.
Old 07-17-2012, 08:46 PM
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your running 8 lbs of boost already, and running stock injectors? whats your rpm like 4500? thats wild. I guess you must be making like 420rwhp on those right. as far as injectors. always go big enough that way you dont have to do em again. 80's would be nice.
Old 07-17-2012, 09:24 PM
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this thread is 5 years old LOL who keeps diggin up all these old *** threads
Old 07-17-2012, 09:35 PM
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Originally Posted by WheelsUp84z
this thread is 5 years old LOL who keeps diggin up all these old *** threads
GD i didn't even notice




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