V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Fuel Injection Questions....

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Old Oct 22, 2009 | 09:59 AM
  #1  
tater's Avatar
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From: Altus, Oklahoma
Car: Dad's 87 Bird (Org Owner)
Engine: Vortec 350 Crate Motor
Transmission: TH350
Axle/Gears: 3.42 Posi
Fuel Injection Questions....

What years were speed density and which were MAF?

What size injectors do the 2.8's use?
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Old Oct 22, 2009 | 05:31 PM
  #2  
Maverick H1L's Avatar
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From: LeRoy, NY
Car: 2003 Hyundai Tiburon GT
Engine: 2.7L V6
Transmission: 6-speed
Axle/Gears: 4.41
Re: Fuel Injection Questions....

MFI V6 cars were MAF up to the end of the 89 model year. MAP/Speed Density was used on the 90-92 3.1 models.

2.8 engines had 2 different injectors based on the model year. Up to the end of the 87 model year, GM used Delco pintle cap style injectors with a 15.4 lb/hr rating. 88-89 2.8 and 90-92 3.1 engines got the 14084888 Bosch style injectors with a 14.7 lb/hr rating. I seem to have lost the link I had for this ATM...
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Old Oct 22, 2009 | 07:07 PM
  #3  
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From: Rockville Centre, NY
Re: Fuel Injection Questions....

14.7 or 15.4lb both are considered 15lb injectors, both can be used with the 2.8 and 3.1

Last edited by southbay08; Oct 22, 2009 at 07:10 PM.
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