Are all injectors the same?????
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
Are all injectors the same?????
well not the same but will ANY injector work on a tpi engine? im building my new engine with a stealthram and see good deals on lt1, ls1, ford svo injectors etc but dont know if they will fit and hook up correctly.
so my question i guess is will any injector physically fit onto the fuel rail and will any injector plug into the harness as well? if not what are my choices??
so my question i guess is will any injector physically fit onto the fuel rail and will any injector plug into the harness as well? if not what are my choices??
Senior Member
Joined: Jun 2000
Posts: 998
Likes: 0
From: Tuscaloosa, AL
Car: 91Z, 91RS, '84 Jimmy
Engine: L98, 355, L98
Transmission: 700R, T56, 700R4
LT1, LS1, and Ford SVO will all swap right in. Some of the newer (like from the last 2 model years) injectors have a different style plug and I hear rumors that they're low-impedance injectors. Don't quote me on that last part though.
Member
Joined: Sep 2002
Posts: 292
Likes: 0
From: Lehigh Valley, PA
Car: 1986 Pontiac Firebird S/E
Engine: LG4 TPI Conversion
Transmission: 700r4
Axle/Gears: 3.42 SLP Posi 10 Bolt
I've got injectors from a 1992-1995 3800 Series I N/A (8 of course) I got them from a u-pull-it and sent them out ot be flow matched and cleaned. Add new o-rings and I think I have about $85 invested.
Member
Joined: Nov 2003
Posts: 388
Likes: 0
From: Victoria, British Columbia
Car: 1989 GTA
Engine: 5.0 TPI
Transmission: T-5 WC
Axle/Gears: Yukon 3.73
Please explain what is meant by flow matching. I am collecting information to port the plenum and runners and install an adjustabe fuel pressure regulator on my 1989 GTA 5.0 liter TPI. I have been referred to the web site of the person who cleans and flow tests injectors. I have the original 19 lbs/hr injectors. When this work is being done I would like to address any injector work at that time.
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