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Thread: Hello from Ohio!

  1. #16
    Carb and Points!
    Join Date
    Jan 2018
    Age
    60
    Posts
    8
    HI! folks, a correction to my previous thread on that tbi unit. It is a slim lined injector tree with physically smaller injectors for more air flow. I e-mailed them with a couple of questions i.e. if I'm running 14 psi mow, What do you recommend for fuel press? with your set up & can I run a tpi pump i.e. 85 corvette. Waiting on their response. If interested injector set up w vac regulator is $289.00 without reg $189.00 eBay item numbers respectively is #252871869017 & #252865497725

  2. #17
    Fuel Injected!
    Join Date
    Oct 2012
    Location
    Boynton Beach Florida
    Age
    61
    Posts
    83
    The book says 9-13 with gasoline on a stock TBI with no mods just gasohol you can go 13 + 7% or about 14psi.
    If your at altitude you want to lean it out a bit.
    Freeflow exhaust add +2
    Mine I run at 18psi it works fine greatly improved throttle response but my injectors have 270K on them so probably mine are very lean.

    Cool idea on eBay there just wonder about the injector impedance.
    The stock injectors are 3-6 ohm the bosch style are typically 14-19 the ford type 24 ohm.
    I wonder what the slew rate is on the injector with the higher impedance.
    I know I can push the ford and the stock GM injectors to 16KHz with the stock ECM 1227475 1226026 and the GM66ECU (impala - corvette - lumina turbo)
    On a the Xfire TBI no load @7400RPM on the LT-1 or mini ram 9000rpm.

    Anyhow a great solution if they are a bolt on and work it is about the same as a kit and two stock injectors.
    Avatar is my motor 800 RPM 184ft Lbs Torque 18 inches x 18 inches x 9 inches thick external combustion engine.

    98 WS-6 full tube chassis rally car Aluminum Block LS2 (soon to be LSX 376)(in Storage)
    95 Suburban 6 inch drop, Pioneer DVD in Dash 5.7 TBI, 220cc 2.02x1.60 64cc heads, Stainless longtube headers 2.5 crossover 3 inch exhaust, LT-4 roller cam.
    2002 Seville STS

  3. #18
    Carb and Points!
    Join Date
    Jan 2018
    Age
    60
    Posts
    8
    I did get a response from them. They are not plug & play. He said this is intended for tuner applications. There is an inlet fitting only so the return line comes out of the regulator. He suggested an in tank pump & said start out @ about 55psi & yes you should be able to program a chip for this. IDK? My 266.000 mi jectors are still working fine-they keep spraying & I keep driving. so I think to learn here how to program better what I have already

  4. #19
    Fuel Injected!
    Join Date
    Oct 2012
    Location
    Boynton Beach Florida
    Age
    61
    Posts
    83
    Yea looks like someone starting to build them and sell cool.
    I wonder if he will sell the housing without injectors or regulator.
    These would work with a mashup fuel regulator and nissan titan fuel injectors at 18 psi.
    In fact when I get to rebuilding my TBI unit soon I will program a trace file for my CNC from the TBI spacer and make one myself.
    I am planning to build a injector head or throttle plate to allow the use of E85 with the stock computer more fuel more power.
    Avatar is my motor 800 RPM 184ft Lbs Torque 18 inches x 18 inches x 9 inches thick external combustion engine.

    98 WS-6 full tube chassis rally car Aluminum Block LS2 (soon to be LSX 376)(in Storage)
    95 Suburban 6 inch drop, Pioneer DVD in Dash 5.7 TBI, 220cc 2.02x1.60 64cc heads, Stainless longtube headers 2.5 crossover 3 inch exhaust, LT-4 roller cam.
    2002 Seville STS

  5. #20
    Fuel Injected!
    Join Date
    Dec 2017
    Posts
    116
    When my truck was stock and bumped the fuel pressure up to 14 it ran rich on cold start but was ok at running temp..

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