98 maf Details

1989Gt. · May 21st, 2011, 09:48 PM

Hi i was wondering if how i can run 24lb injectors.... Without a tune? I have the 19lb injectors on right now with stock ecu and maf but what do i need to do to run 24lb can i just swap out the maf and injectors and be done?

MustGT98allday · May 22nd, 2011, 12:03 AM

maf and tune

98REDGT · May 22nd, 2011, 10:45 AM

Is there a reason to do this?

ron98gt · May 22nd, 2011, 11:12 AM

I think that with a tune it produces the proper spray thru the selected size fuel injector. If you put on 24,s the amount of fuel for the proper spray would be comming out for the 19lb not the 24 and would not increase you fuel for your mods if any this may burn poorly.. Thats just what I think.

cstreu1026 · May 23rd, 2011, 08:26 AM

You can run 24# injectors with the stock MAF but you will need a tune to make it work right. What do you want to run the 24's?

1989Gt. · May 24th, 2011, 02:06 AM

Ok I just w anna kno if i can change the maf and injectors and the computer will be ok?

1989Gt. · August 31st, 2011, 08:39 PM

bump im gonna be making roughly 330whp now and i need to know if im gonna need to up to 24lb injectors, and what i need to make them work right

cstreu1026 · August 31st, 2011, 08:49 PM

Yes, you will need bigger injectors. I ran out of injector just shy of 300 RWHP. Thanks to modern tuning software you only really need a set of injectors but you could also get a properly calibrated MAF like a PMAS/Pro-M.

1989Gt. · August 31st, 2011, 09:12 PM

So i wont need tuning?

cstreu1026 · August 31st, 2011, 09:18 PM

You are going to need tuning regardless because you are making a lot more power than stock. What are the details on the car?

1989Gt. · August 31st, 2011, 09:41 PM

It has a cobra swapped rebuilt with a 10.8:1 compression ratio, i was gonna get a tune anyways but not right away so i need to know if ill be able to drive it right away

1989Gt. · August 31st, 2011, 09:51 PM

I mean is cobra swapped.

Tang Stang · September 1st, 2011, 10:08 AM

Like the others have already said multiple times, you'll need a tune to run the 24# injectors correctly. That is all there is to it.

OptionalStang · September 1st, 2011, 10:11 AM

buy my 24lb injectors and tuned mafs and stuff..then you got a start

1989Gt. · September 1st, 2011, 02:25 PM

No thanks i have a set that i can get. But i was just wondering because with the fox bodys all you have to do is switch the maf and injectors and it changes by itself i dont know how the computers work in these cars.... what are stock 19lb ers goood up too hp wise

OptionalStang · September 2nd, 2011, 08:03 PM

im not exact but i kn ow 19's will take you pretty far..atleast 260hp...

1989Gt. · September 5th, 2011, 04:19 PM

well ill be way past 260.... So thats why i was looking for a diagram

Tang Stang · September 6th, 2011, 08:43 AM

A diagram of what?

fsttang96 · September 6th, 2011, 03:22 PM

Originally Posted by 1989Gt.

No thanks i have a set that i can get. But i was just wondering because with the fox bodys all you have to do is switch the maf and injectors and it changes by itself i dont know how the computers work in these cars.... what are stock 19lb ers goood up too hp wise

19 pound injectors are good up to 305 hp !!

p4ndiamond · September 6th, 2011, 09:32 PM

I would never run them up to 305hp then you would be using the full duty cycle of them .

May 21st, 2011, 09:48 PM	#1
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	98 maf Details Hi i was wondering if how i can run 24lb injectors.... Without a tune? I have the 19lb injectors on right now with stock ecu and maf but what do i need to do to run 24lb can i just swap out the maf and injectors and be done?

May 22nd, 2011, 12:03 AM	#2
MustGT98allday Hardcore Enthusiast 1998 Mustang GT Join Date: Aug 2010 Posts: 1,282 iTrader: 2 reviews	maf and tune __________________ pi swapped and dropped sn95

May 22nd, 2011, 10:45 AM	#3
98REDGT Regular Join Date: Dec 2010 Posts: 275 iTrader: 0 reviews	Is there a reason to do this? __________________ 1998 GT. Headers with catless X-pipe into flowmasters. CAI. Cobra wheels 17x9 with 245/40's and 17x10.5 with 275/40's. 04 GT leather interior.

May 22nd, 2011, 11:12 AM	#4
ron98gt Regular 1998 mustang GT Join Date: Apr 2006 Location: MA Posts: 78 iTrader: 0 reviews	I think that with a tune it produces the proper spray thru the selected size fuel injector. If you put on 24,s the amount of fuel for the proper spray would be comming out for the 19lb not the 24 and would not increase you fuel for your mods if any this may burn poorly.. Thats just what I think. __________________ 98 gt blk on blk 90k miles with BBk 75mm throttle body, C&L plenum, Diablosport predator,powerdyne supercharger & a few other things.

September 1st, 2011, 10:08 AM	#13
Tang Stang Hardcore Enthusiast 2004 Mustang GT Join Date: Sep 2010 Location: Imperial, MO Posts: 1,961 iTrader: 2 reviews	Like the others have already said multiple times, you'll need a tune to run the 24# injectors correctly. That is all there is to it. __________________ Rod @ AzzKicker Cars 2004 Ford Mustang GT-The Driver-BBK CAI, PP TB & Inlet, Steeda UD's, SLP LM1, & 3.73's. 1990 Mercury Cougar XR7-The Meth Addict-5.0L DOHC Stroker w/2.1L KB SC. 1995 Ford F150-Mud Toy-5.0L, 4x4, 33's, & Warn 8274 Winch

May 23rd, 2011, 08:26 AM	#5
cstreu1026 Regular All Motor 1998 GT Join Date: Mar 2011 Location: Xenia, OH Posts: 338 iTrader: 0 reviews	You can run 24# injectors with the stock MAF but you will need a tune to make it work right. What do you want to run the 24's?

May 24th, 2011, 02:06 AM	#6
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	Ok I just w anna kno if i can change the maf and injectors and the computer will be ok?

August 31st, 2011, 08:39 PM	#7
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	bump im gonna be making roughly 330whp now and i need to know if im gonna need to up to 24lb injectors, and what i need to make them work right

August 31st, 2011, 08:49 PM	#8
cstreu1026 Regular All Motor 1998 GT Join Date: Mar 2011 Location: Xenia, OH Posts: 338 iTrader: 0 reviews	Yes, you will need bigger injectors. I ran out of injector just shy of 300 RWHP. Thanks to modern tuning software you only really need a set of injectors but you could also get a properly calibrated MAF like a PMAS/Pro-M.

August 31st, 2011, 09:12 PM	#9
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	So i wont need tuning?

August 31st, 2011, 09:18 PM	#10
cstreu1026 Regular All Motor 1998 GT Join Date: Mar 2011 Location: Xenia, OH Posts: 338 iTrader: 0 reviews	You are going to need tuning regardless because you are making a lot more power than stock. What are the details on the car?

August 31st, 2011, 09:41 PM	#11
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	It has a cobra swapped rebuilt with a 10.8:1 compression ratio, i was gonna get a tune anyways but not right away so i need to know if ill be able to drive it right away

August 31st, 2011, 09:51 PM	#12
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	I mean is cobra swapped.

September 1st, 2011, 10:11 AM	#14
OptionalStang Banned 1997 cougar 4.6 1/2PI TooFast4theFUZZ Join Date: May 2011 Location: se wi Posts: 991 iTrader: 1 reviews	buy my 24lb injectors and tuned mafs and stuff..then you got a start

September 1st, 2011, 02:25 PM	#15
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	No thanks i have a set that i can get. But i was just wondering because with the fox bodys all you have to do is switch the maf and injectors and it changes by itself i dont know how the computers work in these cars.... what are stock 19lb ers goood up too hp wise

September 6th, 2011, 09:32 PM	#20
p4ndiamond Hardcore Enthusiast 1997 Pacific Green Cobra 14.80 No traction Join Date: May 2010 Location: New Orleans Posts: 1,216 iTrader: 0 reviews	I would never run them up to 305hp then you would be using the full duty cycle of them . __________________ GT ENGINE (temporary) 4.30 Gears , 31 spline Moser axles , Detroit tru Trac diff, Jmod 4r70w , Pi intake Hitech stage 2 cam, Vortech V2 3.33 pulley. Alum drive shaft. Lowering kit x2 ball joints ,screamin demon coils, LCA "

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September 2nd, 2011, 08:03 PM	#16
OptionalStang Banned 1997 cougar 4.6 1/2PI TooFast4theFUZZ Join Date: May 2011 Location: se wi Posts: 991 iTrader: 1 reviews	im not exact but i kn ow 19's will take you pretty far..atleast 260hp...

September 5th, 2011, 04:19 PM	#17
1989Gt. Hardcore Enthusiast 1989 Mustang GT Join Date: Apr 2008 Posts: 2,799 iTrader: 0 reviews	well ill be way past 260.... So thats why i was looking for a diagram

September 6th, 2011, 08:43 AM	#18
Tang Stang Hardcore Enthusiast 2004 Mustang GT Join Date: Sep 2010 Location: Imperial, MO Posts: 1,961 iTrader: 2 reviews	A diagram of what? __________________ Rod @ AzzKicker Cars 2004 Ford Mustang GT-The Driver-BBK CAI, PP TB & Inlet, Steeda UD's, SLP LM1, & 3.73's. 1990 Mercury Cougar XR7-The Meth Addict-5.0L DOHC Stroker w/2.1L KB SC. 1995 Ford F150-Mud Toy-5.0L, 4x4, 33's, & Warn 8274 Winch

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