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Switching 19lb to 24lb injectors

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Old 07-28-2007, 11:58 AM
  #1  
Claysstang
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Default Switching 19lb to 24lb injectors

What up what up...

Question check my mods below, I currently have 19lb injectors how much of a difference will you think I will get fo feel hp wise switching to 24lb? And I heard that you have to tune the comp also to get the most out of that, I currectly have an a9l comp which is for the most part really adaptable to any new part, I will also me adding the 24lb MAF just wondering what the difference will be. I'm sure i'm running lean .... Let me know your thoughts thanks
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Old 07-28-2007, 12:32 PM
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r.barn
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Default RE: Switching 19lb to 24lb injectors

No hp gain. you're probably not running lean.

go spend $70 on a couple of Air Fuel ratio dyno pulls to see what your A/F really is
before dumping $500 in new injectors and MAF you probably dont need.
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Old 07-28-2007, 04:46 PM
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luckythirteen13
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Default RE: Switching 19lb to 24lb injectors

more fuel is worthless if you dont need it
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Old 07-28-2007, 04:52 PM
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PJB
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Default RE: Switching 19lb to 24lb injectors

So you guys dont think a car with h/c/i really needs 24# injectors?
I have a set Im putting on this week along with a 255 lph fuel pump and 75mm MAF.
My car will have AFR 165 heads, a custom ground Comp cam and an Edelbrock Performer intake and some other bolt ons.
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Old 07-29-2007, 01:12 AM
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pbguns
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Default RE: Switching 19lb to 24lb injectors

ya youbur will see a power difference with the set up u have but you should get you maf sensor calibrated for the 24 lb injectors or go the better way and go carburated not alot of tuning un stupid electrical b/s and if you dial it in right its just like fuel injected
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Old 07-29-2007, 01:34 AM
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93 LX FiveO
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Default RE: Switching 19lb to 24lb injectors

why would he go carb, hes already setup for efi...

the A9L is a great ecu

check ur spark plugs if u think ur running lean
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Old 07-29-2007, 10:00 AM
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stang8689
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Default RE: Switching 19lb to 24lb injectors

I would say it would help a little, your 19's are pretty close to maxed out, might not feel a difference
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Old 07-29-2007, 10:10 AM
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uedlose
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Default RE: Switching 19lb to 24lb injectors

I would also say you getting on the edge with the 19s.If you live close I will rent you my wide-band it will Data log your A/Facross the whole RPM scale.
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Old 07-29-2007, 10:21 AM
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I G Joe
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Default RE: Switching 19lb to 24lb injectors

ORIGINAL: pbguns

ya youbur will see a power difference with the set up u have but you should get you maf sensor calibrated for the 24 lb injectors or go the better way and go carburated not alot of tuning un stupid electrical b/s and if you dial it in right its just like fuel injected
*just like fuel injected for 1 rpm range* *doesnt adjust itself to altitude so you must tune again* what is it with you old timers and your carbs yes i suppose they are "simpler" but seriously if FI Isnt better then why did manufactures convert ?
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Old 07-29-2007, 10:45 AM
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92hatchLX
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Default RE: Switching 19lb to 24lb injectors

It's more efficient as far asemissions go.
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