ATTENTION EVERYBODY READ! Injector size! - Forums at Modded Mustangs
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post #1 of 31 Old May 5th, 2010, 11:18 PM Thread Starter
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ATTENTION EVERYBODY READ! Injector size!

I know it's been debated several times the injector size or sizes used in our cars, 99-04 2-valves. I was told several years ago by Jerry W, then of SCT, and designer of the 4R70W and Father of the J-Mod that all 99-04's used 19# injectors. Today I had my tuner , Greg from Speedy Dyno to check the SCT tuning software. Well guess what, all generic tunes for the 99-04's are calibrated for 19# injectors. So you see no matter what color you have or how bad you want your later model car to have superior injectors , it's just not true. You got 19's, I got 19's, we all have 19's.


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post #2 of 31 Old May 5th, 2010, 11:22 PM
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I know it's been debated several times the injector size or sizes used in our cars, 99-04 2-valves. I was told several years ago by Jerry W, then of SCT, and designer of the 4R70W and Father of the J-Mod that all 99-04's used 19# injectors. Today I had my tuner , Greg from Speedy Dyno to check the SCT tuning software. Well guess what, all generic tunes for the 99-04's are calibrated for 19# injectors. So you see no matter what color you have or how bad you want your later model car to have superior injectors , it's just not true. You got 19's, I got 19's, we all have 19's.
couldn't have said it better myself

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post #3 of 31 Old May 5th, 2010, 11:50 PM
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I have 42s?

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post #4 of 31 Old May 5th, 2010, 11:51 PM
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no sir... no 19lbers here! 60's!


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post #5 of 31 Old May 5th, 2010, 11:54 PM
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no sir... no 19lbers here! 60's!
I wont be happy till I NEED 80s!

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post #6 of 31 Old May 5th, 2010, 11:55 PM
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Wait.. are you talking Gt's? Cuz we all know they run stock 19lbs all the way through 2004. But what about cobras?

So what are you saying about the 24lb blues I put in?

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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post #7 of 31 Old May 5th, 2010, 11:59 PM
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cobra are 39 in the 03/04

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post #8 of 31 Old May 6th, 2010, 12:01 AM Thread Starter
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Wait.. are you talking Gt's? Cuz we all know they run stock 19lbs all the way through 2004. But what about cobras?

So what are you saying about the 24lb blues I put in?
Yes, GT's, 2-valves no matter what color, pink of yellow\orange are 19#, not 21# like we see everyday on this and many other forums.
I say nothing about blue ones, I have a GT and know next to nothing about Cobras....other than they are one snake not to fuck with.


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post #9 of 31 Old May 6th, 2010, 12:02 AM
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Mach1's and 99/01 Cobra's have 24lb injectors

stock fuel injector size? - SVT Snake.com Forums

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post #10 of 31 Old May 6th, 2010, 12:02 AM
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Ok.. I thought it was common knowledge that we all had 19's.. Never heard that rumor before..

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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post #11 of 31 Old May 6th, 2010, 12:03 AM
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peeps say the pink are 21 with a ecu tune.

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post #12 of 31 Old May 6th, 2010, 12:03 AM
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us 2v's that is.

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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post #13 of 31 Old May 6th, 2010, 12:04 AM
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Doesn't matter to me.. I'm runnin 24's. Now I just need to get the darn thing tuned for them...

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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post #14 of 31 Old May 6th, 2010, 12:05 AM
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yes sir

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post #15 of 31 Old May 6th, 2010, 12:21 AM
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Not smart to run different injectors without a tune.

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post #16 of 31 Old May 6th, 2010, 12:25 AM
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Why's that?

If other stuff would quit going on my car I could get the money for it quicker...

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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post #17 of 31 Old May 6th, 2010, 12:33 AM
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Because your car doesn't know you changed the injectors and still thinks it has 19s.

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post #18 of 31 Old May 6th, 2010, 12:35 AM
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Because your car doesn't know you changed the injectors and still thinks it has 19s.
Well I knew that. But I didn't think it would hurt the engine. Will it?

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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post #19 of 31 Old May 6th, 2010, 12:44 AM
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Originally Posted by 97blkgt View Post
Well I knew that. But I didn't think it would hurt the engine. Will it?
You could flood the cylinders and cause it to run rich but I don't know how much going from 19 to 24 would hurt.

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post #20 of 31 Old May 6th, 2010, 12:48 AM
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the mechanic at Ford said I would need to get it tuned, but didnt seem to think it was a problem for me to drive it as is...

I found this tuner for a v6, will it work on mine?
Mustang V6 Performance 94-04

03 PI 4.6, 2 row Fluidyne radiator, CAI, 90mm MAF, 24lb fuel injectors, 75mm TB/Plenum (P&P), o/r hpipe, Magnaflow mufflers, Steeda timing adjuster, 12lb alluminum flywheel, King Cobra clutch, Short throw handle, 3.73 gears, Eibach springs
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