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Old 10-28-2010, 07:53 PM
67hardtop 67hardtop is offline
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Default Fuel Injectors from a '91 mustang?

Will fuel injectors from a '91 mustang gt work my ranger without modifications? I've got replace at least one injector, I just thought I would put a set in from a mustang that I can get fairly cheap. Thanks.
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1989 Ranger STX SuperCab 4x4, 2.9L, FM146 Transmission, Automatic Lockouts, Cat back Dynomax exhaust
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Old 10-29-2010, 05:44 AM
Psychopete Psychopete is offline
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Default Re: Fuel Injectors from a '91 mustang?

Quote:
Originally Posted by 67hardtop View Post
Will fuel injectors from a '91 mustang gt work my ranger without modifications? I've got replace at least one injector, I just thought I would put a set in from a mustang that I can get fairly cheap. Thanks.
I am not sure where this info comes from as a performance upgrade on a stock engine. You'll actually hurt performance by going to a too large of fuel injector.

The stock injectors are more than sufficient for the 2.9L, but pushed enough to get good atomization - they're the right size for the engine in stock form. If you were to significantly increase cylinder displacement, or run forced induction where you have more air going in, this is when larger injectors come into play as the stock injectors will not keep up with demand with the increase in air. Computer is also "hard wired" expecting this flow rate, you'll end up with a engine that runs pig rich. BTDT
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Old 10-29-2010, 10:59 AM
67hardtop 67hardtop is offline
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Default Re: Fuel Injectors from a '91 mustang?

Thanks for the input. I had a chance to get a set of 19lbs injectors that came off of a '91 mustang gt. The guy upgraded to a set of 24lbs injectors and I knew the old ones were still good.

Anyway, I found a set (6) of remanufactured ones for 85.00. I ordered a set. These are to fix the problem that I've been having with engine sputtering. I've diagnosed the problem to a bad injector on the number 5 cylinder. I'm going to replace them as a set. Thanks for everyone's help, especially psychopete!

Brad
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