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new injectors? > which ones?

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Old Feb 25, 2013 | 06:18 AM
  #1  
thunderstick's Avatar
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
new injectors? > which ones?

so i need new injectors (apparently) to support these mods now, so am taking recommendations for such (size, brand, etc.) i currently have a set of "multecs" that were used in the "stock" mode, but supposedly are only 22lb, whereas i think i'll need 24lb now. (?) haven't heard much good stuff about them, but probly still under-sized anyway (p/n 17087325). the major upgrades i did was to install the LT4 hotcam w/1.6 rr, 1-3/4 headers and flowmaster catback exhaust. the block was all rebuilt (.030 over), heads were done to accomodate the 1.6 rr, 3-angle valve job. trans was rebuilt, too, has a 20-2400 stall tc, so should be pretty well set up to get tuned, other than the injectors... of course, it's all together and this is all an after-thought, but would rather replace them now before i take it to the shop for tuning.

So... lemme know what you think i need (cuz i don't)... (btw, i did add an afpr).

~ keith
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Old Feb 25, 2013 | 08:10 AM
  #2  
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From: Delaware
Car: 91' Firebird SOLD
Engine: 350 TPI +bolt-ons
Transmission: 700r4
Axle/Gears: 3:42
Re: new injectors? > which ones?

You don't need bigger injectors. Just use an adjustable fuel pressure regulator if you need a little more fuel for whatever reason.
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Old Feb 25, 2013 | 12:28 PM
  #3  
thunderstick's Avatar
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From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
Re: new injectors? > which ones?

roger that - works for me. thx!

~ keith
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Old Feb 25, 2013 | 06:26 PM
  #4  
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From: Rockville Centre, NY
Re: new injectors? > which ones?

Originally Posted by thunderstick
roger that - works for me. thx!

~ keith
We recommend the Bosch Design lll injectors. They are one of the best injectors out there. They have a 4 spray pattern and atomize the fuel extremely well. Check the forum, there are many members who use them. Excuse me for being blunt, but the multecs are JUNK, they are extremely problematic and prone to coil failure.
If we can help you in any way, please give us a shout any time.
By the way, tgo members receive a 10% discount with promo code tg11

www.southbayfuelinjectors.com
516-442-4707
516-492-6504
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Old Feb 25, 2013 | 06:34 PM
  #5  
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From: NYC / Jersey
Car: 1990 Trans Am GTA
Engine: Turbo 305 w/MS2
Transmission: 700R4
Re: new injectors? > which ones?

Originally Posted by southbay08
By the way, tgo members receive a 10% discount with promo code tg11
Two of my injectors are reading bad, can you send me a PM and quote me on a fresh set of 60-lb injectors (all eight) after the discount. Thanks...
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Old Feb 25, 2013 | 06:43 PM
  #6  
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Re: new injectors? > which ones?

pm sent
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