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Fox T-Bird/Cougar Forums

Technical => Engine Tech => Topic started by: Kafer79 on February 25, 2016, 07:37:04 PM

Title: Which Injector for stock 1988 5.0 -- Motorcraft or Bosch?
Post by: Kafer79 on February 25, 2016, 07:37:04 PM
Searched the forum archives....lots of chatter over the years for upgrading injectors for performance but little discussion on stock applications.  I have a 1988 Cougar XR7 and want to replace ALL of my 14lb/hr injectors with new, not refurb.  Bosch and Motorcraft (4-hole) appear to be the most common and close in price. I prefer to stick with OEM but does anybody have any experience or rumors for the Bosch?
Title: Which Injector for stock 1988 5.0 -- Motorcraft or Bosch?
Post by: V8Demon on February 25, 2016, 07:55:01 PM
Bosch made the OEM injectors for Ford.  Pretty sure they still do.....
Title: Which Injector for stock 1988 5.0 -- Motorcraft or Bosch?
Post by: Haystack on February 25, 2016, 09:33:58 PM
X2.

I wouldn't bother replacing stock injectors. Do an engine cylinder balance test. If it passes twice in a row it meets or exceeds factory spec and fuel injectors will gain you nothing.

You can also have your fuel injectors rebuilt, they basically just clean and flow test them. Really isn't much to go wrong inside one.
Title: Which Injector for stock 1988 5.0 -- Motorcraft or Bosch?
Post by: thunderjet302 on February 26, 2016, 10:09:32 PM
Quote from: Haystack;454011
X2.

I wouldn't bother replacing stock injectors. Do an engine cylinder balance test. If it passes twice in a row it meets or exceeds factory spec and fuel injectors will gain you nothing.

You can also have your fuel injectors rebuilt, they basically just clean and flow test them. Really isn't much to go wrong inside one.

If the injectors are working correctly you'll gain nothing by replacing them with new ones.
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