Question about stock ford injectors

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Nov 9, 2003 | 10:45 AM

NEOMASTERZ28

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From: Kissimmee,FL/Pennsauken,nj

Car: 85 z28

Engine: 305 TPI

Transmission: 700R4

Question about stock ford injectors

can i use stock 5.0 injectors off an 88 to replace my 85 135k injector. they were free from a buddy so i just took em.

will they work with out problems.

Nov 9, 2003 | 11:50 AM

88 WS6 TransAm GTA

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From: Cherry Hill, NJ

Car: 92 Trans Am 'Vert

Engine: 305 TPI

Transmission: 5 Speed

Yeah theyll work just fine. Keep in mind Ford injectors are rated at a different PSI, so adjust your fuel pressure accordingly.

Nov 10, 2003 | 11:01 PM

fisherbody86

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Joined: Mar 2003

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From: under the hood

Car: 92 Z28 heritage

Engine: 5.0 TPI

Transmission: T-5

Ford 5.0 injectors=19 lbs.
305 TPI=19 lbs.
350 TPI=21 lbs.

Nov 11, 2003 | 10:02 AM

NEOMASTERZ28

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Joined: Oct 2001

Posts: 253

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From: Kissimmee,FL/Pennsauken,nj

Car: 85 z28

Engine: 305 TPI

Transmission: 700R4

will they work wit out modifacation i have afpr on there now so will they go on the fuel rail and in the intake with no probs.and will they give out he right peformance as the stock ones?

Nov 11, 2003 | 01:18 PM

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Quote:

Originally posted by fisherbody86
Ford 5.0 injectors=19 lbs.
305 TPI=19 lbs.
350 TPI=21 lbs.

Just ignore the above.

As for using them, you will have to lower the fuel pressure. The Ford injectors run at a lower PSI, and that 19 lb/hr the injectors are rated at is at that PSI. Throw them in there without lowering the pressure, the car will run rich.