What size injectors?? 24lb 30lbI

datsundave3 · August 16th, 2008, 10:04 PM

I have a 94 Cobra I have just installed Pro ported GT40s, Tmoss ported Cobra intake. Crane .529 .544 lift 220 226 duration, headers etc. I have a 77mm Pro-M calibrated for 30 lb injectors. Anybody think 30lbs are too big or should I use 24lb and have the meter re-calibrated?? Thanks

HELLRAZR94 · August 16th, 2008, 10:54 PM

in my eyes bigger is always better

Hunt_chevs · August 16th, 2008, 10:58 PM

go with 24's, you'll be spitting gas out the pipes with 30's

flattusmaximus78 · August 17th, 2008, 10:28 AM

30lbers should be fine, and give you room to expand if you ever want to.

94BLKGT · August 17th, 2008, 09:00 PM

Cobra came stock with 24# injectors you should be fine up to about 400 n/a if you go forced induction then step up

1slo5.0 · August 17th, 2008, 11:08 PM

Originally Posted by datsundave3

I have a 94 Cobra I have just installed Pro ported GT40s, Tmoss ported Cobra intake. Crane .529 .544 lift 220 226 duration, headers etc. I have a 77mm Pro-M calibrated for 30 lb injectors. Anybody think 30lbs are too big or should I use 24lb and have the meter re-calibrated?? Thanks

That is a real easy decision since you already have a 77 Pro-M calibrated for 30lb injectors. Get some 30lbers.

93mustank · August 17th, 2008, 11:18 PM

Originally Posted by HELLRAZR94

in my eyes bigger is always better

Wow horrible statement .....lol.....might as well put a victor junior intake with a big .600 lift cam......

.........

30 lbers are to big IMO........... I have 19's with a 75mm pro flow and they work just fine.... No need for a bigger injector on that combo....

But like HELLRAZR94 says"bigger is better" So go with some 42 lbers

fordrarities · August 17th, 2008, 11:23 PM

Originally Posted by Darrell

That is a real easy decision since you already have a 77 Pro-M calibrated for 30lb injectors. Get some 30lbers.

since you already got it +1

but i wld do 24s

1slo5.0 · August 17th, 2008, 11:24 PM

Originally Posted by 93mustank

Wow horrible statement .....lol.....might as well put a victor junior intake with a big .600 lift cam...............

30 lbers are to big IMO........... I have 19's with a 75mm pro flow and they work just fine.... No need for a bigger injector on that combo....

But like HELLRAZR94 says"bigger is better" So go with some 42 lbers

This is coming from the same guy that says you can safely run 12:1 compression to its fullest potential on California reformulated shit fuel so take it with a grain of salt.

Drick · August 17th, 2008, 11:48 PM

datsundave3 · August 17th, 2008, 11:48 PM

Thanks, it sounds like a split decision. Since I have a set of 24 and 30's and my mass air is calibrated for 30's, I may try them. It is not that hard to switch to 24's if 30's are too big. Thanks Dave

93mustank · August 18th, 2008, 12:06 AM

Originally Posted by Darrell

This is coming from the same guy that says you can safely run 12:1 compression to its fullest potential on California reformulated shit fuel so take it with a grain of salt.

Are you referring to me?

1slo5.0 · August 18th, 2008, 12:48 AM

Originally Posted by 93mustank

Are you referring to me?

No, HELLRAZR94.

93mustank · August 18th, 2008, 12:59 AM

Thats a big 10-4

78mach1 · August 18th, 2008, 02:20 AM

go with the 30`s then you can use your pro-m

plus you will have room to grow and not have to worry about jumping up high after you start making big numbers

August 16th, 2008, 10:04 PM	#1
datsundave3 Newbie Join Date: Oct 2007 Posts: 12 iTrader: 0 reviews	What size injectors?? 24lb 30lbI I have a 94 Cobra I have just installed Pro ported GT40s, Tmoss ported Cobra intake. Crane .529 .544 lift 220 226 duration, headers etc. I have a 77mm Pro-M calibrated for 30 lb injectors. Anybody think 30lbs are too big or should I use 24lb and have the meter re-calibrated?? Thanks

August 16th, 2008, 10:58 PM	#3
Hunt_chevs Hardcore Enthusiast 2002 Gt Not Slow Join Date: Aug 2007 Location: SJ-CA, 50-ft elev. Posts: 1,649 iTrader: 1 reviews	go with 24's, you'll be spitting gas out the pipes with 30's __________________ 2k2 Gt Eibach pro kit, bbk cold air, exhaust, 4.10s, 6k hid's

August 17th, 2008, 10:28 AM	#4
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	30lbers should be fine, and give you room to expand if you ever want to. __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

August 17th, 2008, 11:48 PM	#10
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,336 iTrader: 1 reviews	__________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

August 18th, 2008, 12:59 AM	#14
93mustank Banned Join Date: Aug 2008 Location: Phoenix,AZ Posts: 3,014 iTrader: 1 reviews	Thats a big 10-4 __________________ PeteAndersonRacing.com

August 16th, 2008, 10:54 PM	#2
HELLRAZR94 Regular 1994 MUSTANG GT Join Date: May 2008 Location: MODESTO CA. Posts: 102 iTrader: 0 reviews	in my eyes bigger is always better

August 17th, 2008, 09:00 PM	#5
94BLKGT Regular Join Date: May 2008 Location: Norfolk, Va Posts: 175 iTrader: 0 reviews	Cobra came stock with 24# injectors you should be fine up to about 400 n/a if you go forced induction then step up

August 18th, 2008, 02:20 AM	#15
78mach1 Hardcore Enthusiast Join Date: Oct 2007 Location: utah Posts: 1,365 iTrader: 0 reviews	go with the 30`s then you can use your pro-m plus you will have room to grow and not have to worry about jumping up high after you start making big numbers

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