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Old 03-31-2015, 08:59 PM   #1
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What's the deal with injectors?

Checking out a catalog today and looking at injectors. Whats the deal with pre 9/5/01 and post 9/5/01 on an 02 gt? How do I find out which my gt falls into?

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Old 03-31-2015, 09:29 PM   #2
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try googling your vin. not quite sure on that one. I bet they will work either way tbh
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Old 04-01-2015, 08:54 AM   #3
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Pre that date 19lb injectors. Post ford found out it was maxing out the injectors and upgraded them to 21lb injectors.


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Old 04-01-2015, 09:35 AM   #4
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Quote:
Originally Posted by Slater2111 View Post
Pre that date 19lb injectors. Post ford found out it was maxing out the injectors and upgraded them to 21lb injectors.


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In what situations were they maxing out? I would assume mostly in the very very cold
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Old 04-01-2015, 09:55 AM   #5
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Look at your engine. If your injectors are orange they are 19lb. The 21lb are pink


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Old 04-01-2015, 10:39 AM   #6
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650 CFM carb will handle 550 horsepower! just sayin..
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Old 04-01-2015, 02:58 PM   #7
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This fuel injector will handle 10000 hp just saying.
http://youtu.be/xGTbQuhhluY


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Old 04-01-2015, 04:44 PM   #8
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This fuel injector will handle 10000 hp just saying.
http://youtu.be/xGTbQuhhluY


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That looks cool. You should ditch your EFI and use mechanical fuel injection like the Top Fuel guys do
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Old 04-01-2015, 05:56 PM   #9
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Thanks guys for the info

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Old 04-01-2015, 06:19 PM   #10
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Taken from cliffyks guide to bolt ons.

If you have the orange 19 lb/h injectors upgrading to the pink 21 lb/h units is worth the cost and effort. The 19 lb injectors are running near 90% duty cycle at the stock 260 fwHP output (flywheel HP). Ford realised this and changed to the 21 lb injectors in the late 2002, 2003 and 2004 MY production. Unfortunately they did not change the tune, which is why those models run pig-rich at WOT.

The 21 lb/h injectors run just under 80% duty cycle at the stock 260 fwHP.

At the top end of what can be expected from bolt-ons you may wish to consider 24 lb/h injectors as they will be operating at 80% duty cycle at 305 fwHP, or 260 rwHP--which is about the limit for the modest bolt-on modifications presented here. Operating at 80% duty cycle means they will be consistent and well-controlled, and provides reasonable headroom.


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