TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Old May 27, 2007 | 01:57 PM
  #1  
Olav's Avatar
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TPI Injectors

A friend of mine have these injectors for sale. Will they fit my TPI intake?
I know some ford fit Chevy TPI Intake

Ford Racing B-302 30# "Red Tops" 0280150756

Thanks
Olav
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Old May 27, 2007 | 04:35 PM
  #2  
D's89IROCZ's Avatar
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Re: TPI Injectors

Find out what they flow ? I am thinking you want around a 22 lb injector ( unless you can change the injector constant in the prom) . Also remeber the ford injectors are rated differently . So factor that into the prom change. Like the 19 lb injecotrs for a ford ....maybe closer to a 21 lb ...by GM's rateing
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Old May 28, 2007 | 01:41 AM
  #3  
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Re: TPI Injectors

Flow is 30lbs thats about I want. I have Haltec computer. I'm not sure if they fit my intake and fuel rail....... ( tpi injectors are 19lbs on the 305 and 22 on the 350's)

Last edited by Olav; May 28, 2007 at 01:45 AM.
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Old May 28, 2007 | 10:41 AM
  #4  
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From: illinois, home of liberals, D'oh!
Car: 89 Formula L98 power
Engine: '96 subaru, opposed 4banger
Transmission: TH700R4, subaru 4WD
Axle/Gears: 3.27, just works
Re: TPI Injectors

I know my friend, I put edelbrock headers on, and a fresh cat, with ford SVO injectors, failed emissions, and couldn't get the car to pass at all, and they were 19 lb/hr ones too. You may want to keep that in mind. If you don't add a cam, more cubes, or use a HSR intake and are making 550 hp, then the stock 22 lb/hr will support you to 450 horses, according to TPIS. Those guys know there ****.
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