TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

LO3/LO5 Injectors

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Old Mar 4, 2001 | 11:27 PM
  #1  
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From: Bloomington, MN
LO3/LO5 Injectors

Do the LO3 injectors on the TB flow less then what the injectors on the LO5 do?
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Old Mar 4, 2001 | 11:46 PM
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Yes, L03 are 55# L05 are 61# Police L05's are 68#

------------------
Chronologically challenged. But still kicking!
'92 CAMARO RS
305 TBI 5/spd (now TPI)
B4C Alt.
'69 camaro-BB/Lenco,1050 dominators, /Pump Gas/no drugs 8.97-150+/3200lbs.
SoCal Thirdgen F-Bodies
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Old Mar 4, 2001 | 11:54 PM
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Now with the great motor that I have do you think upgrading will make any differnce in performace at all. Are we talking pissing away money or .1 or? Also are there any prom things that have to be done when you do this mod? Thanks!!!

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--Spyder--

1992 Camaro RS
LO3, T-56,centerforce clutch, ported and polished heads, Edelbrock Performer Intake, 14X3 Open Element w/ K&N, hiflow cats (and thats it), AC delete, alu drive shaft, 3.73 posi, 170 stat w/ fan switch, STB, Subframe connectors, KYB AGX, Eagle GSC, and poly bushings.

1982 Z-28
Project car, ZZ4 in the works.
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Old Mar 5, 2001 | 01:03 AM
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with stock exaust, don't bother changing injectors. Just up the pressure on the ones you got IF you need to.

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-Tas
'89 Formula WS-6
[soon to be Torch Red with black hood and headlights =) ]

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Super GRK_Taz World
EFI & Intake Options
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Old Mar 5, 2001 | 09:33 PM
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Ummm, exhuast is not stock.. I do have the stock exhaust manifolds on due to the fact that low end torqure is a good thing. How do you adjust the stock ones?
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Old Mar 5, 2001 | 10:21 PM
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I doubt you need to mess with it. So your exaust is stock except for new cats? thats what your signature suggests. Check the ultimate TBI mods about making your fuel pressure regulator adjustable.
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Old Mar 6, 2001 | 09:19 PM
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Nahh stock exhaust manifold, random tech cat, then custom bent pipes going back w/ no muffler. Do you think it would be worth it or not?
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