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what size injectors?

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Old 04-18-2007, 01:34 AM
  #1  
DangerousMind
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Default what size injectors?

what size injectors should i be running? i have had a lot of people tell me that my injectors are too big. i have 30's right now and here are all my mods

stock heads
track heat trick flow intake upper and lower
bbk cold air intake
lightning 90mm maf
30 lb injectors
bbk fuel pressure regulator
70mm throttle body
msd blaster pack and plug wires
trick flow stage 1 cam
bbk fuel pump
bbk shorty headers
bbk off road h pipe
borla cat back
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Old 04-18-2007, 01:37 AM
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ih8chevy
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Default RE: what size injectors?

dude ur maf is huge for that setup. and i would say 24lb but 19's would probably still work. jmo a buddy of mine had a similar setup except his heads were stock but ported, everything else was the same, port the heads and 24lb injectors will be fine but the way it is 19 is good. and get a smaller maf
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Old 04-18-2007, 01:39 AM
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cassidymustang
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Default RE: what size injectors?

+1 on the maf being a lil big. but your 30# injectors are fine. gives you room for more mods down the road
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Old 04-18-2007, 01:39 AM
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MadMan@TheWheel
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Default RE: what size injectors?

30's are a bit big, but 24 would be ideal, and you could actually up-grade your heads and not change injector size either.
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Old 04-18-2007, 01:43 AM
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PRO50SC
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Default RE: what size injectors?

ORIGINAL: MadMan@TheWheel

30's are a bit big, but 24 would be ideal, and you could actually up-grade your heads and not change injector size either.
Yup, I'll go w/ that one too.
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Old 04-18-2007, 01:49 AM
  #6  
r.barn
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Default RE: what size injectors?

As long as your computer has been re-tuned by a pro it wont hurt anything.
"calibrated" MAF and injectors combos cheat and can lead to overtiming by the EEC.

and yes they are overkill. I run 24's on 351W and while I need to upgrade them
they work just fine for 350+rwhp.
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Old 04-18-2007, 01:52 AM
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Scout2232
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Default RE: what size injectors?

Word, I would keep the injectors and get some heads.
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Old 04-18-2007, 09:30 AM
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mustang5_0gt
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Default RE: what size injectors?

i would keep the injectors 2 cuz thats what i have also i would u like a 75mm mass air meter tho
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Old 04-18-2007, 01:32 PM
  #9  
92.5LXVert
 
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Default RE: what size injectors?

I'm installing 30# inj with TW 2.02/1.60 heads, AFM .528 cam. I'm also using a 90mm Lightning MAF and BBK 75mm TB. As several people pointed out, this set up will allow you to 'grow' into more mods (even blower)but it will work fine now as long as you can have someone calibrate the setup.
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