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Author
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Topic: ATTN: ST5150
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Camara90
1%
Member # 134
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posted
 
 
Hey bro just wanted to ask you some questions about my setup. As you know i am making some improvements to my current combo, and think i am in the need of some bigger injectors. I will be looking to make about 430- 440 rwhp. Would 42lbs be too much? Or 36, 38???
Thanks
Mike
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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Jeff S
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Member # 371
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posted
Your using an autologic chip correct? If so then you can't really go too big as your tuner can just cut the PW down. 36's or 42's should be fine, stay away from the 38's as they are made by Lucas and do not have the best reputation.
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'90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's
'10 ZR1: FOR SALE
'14 E63 S: RENNtech ECU
'04 Gallardo: UGR TTG
Posts: 2121 | From: San Jose, CA | Registered: Aug 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
According to Racesystems calculators 30lbers are good for 432HP at 90% cycle duty @40psi.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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FasterDamnit
Bad Attitude
Member # 442
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posted
quote:
Originally posted by 93PONY:
According to Racesystems calculators 30lbers are good for 432HP at 90% cycle duty @40psi.
Is that 432Rwhp or Fwhp? Big difference at this level.
JL
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'92 LX T5
Looked stock, went 11's 11.90 at 115mph.
'65 Mustang 347
www.fordmuscle.com
Livin' in the Carolina Pines
Posts: 2971 | From: NorCal | Registered: Sep 2001
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
yo mike if u get id of those injectors hit me up.
u know my #
chris ![[Cool]](cool.gif)
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by FasterDamnit:
quote:
Originally posted by 93PONY:
According to Racesystems calculators 30lbers are good for 432HP at 90% cycle duty @40psi.
Is that 432Rwhp or Fwhp? Big difference at this level.
JL
Musta' had a brain fart...it's flywheel.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Camara90
1%
Member # 134
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posted
ya i wasnt sure if that race systems calculator was rwhp or not i had already checked there. Thanks for the info anyways. I am pretty sure it
is flywheel though.
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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Camara90
1%
Member # 134
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posted
ya thats exactly what i was thinking, the 42's might be a tad to much, but thats what the dyno tune is for.
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
Plus I KNOW you're going to spray that thing!
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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PunkINa5.SLOW
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Member # 10
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posted
I would go with the 42s if it were up to me.
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OUTTA THA DRAMA
R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03
Posts: 2495 | From: MTZ | Registered: Sep 2000
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PunkINa5.SLOW
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Member # 10
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posted
camara you going for those numbers on pump gas all motor?
No nitrous?
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OUTTA THA DRAMA
R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03
Posts: 2495 | From: MTZ | Registered: Sep 2000
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Stimson
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Member # 51
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posted
I like to use 80% duty cycle for a nice safe number.... so at 80%, you're good for an extremely safe 460 rwhp all motor with 42 lbs injectors at 40 psi. If you want to keep those 36's, you'll need to pump about 55 psi of fuel pressure through them to get them to flow the same as 42's. Your chip will have to be reburned for part throttle / closed loop operation if you're going to go that path. Both are viable options....unless you plan to spray ![[Eek!]](eek.gif)
[ October 01, 2002, 10:47 PM: Message edited by: st5150 ]
Posts: 2373 | Registered: Jun 2000
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Camara90
1%
Member # 134
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posted
ya getting it re tuned is no big deal at all!! I do plan on making those numbers all motor without the jug! If I plan on juicing it, it would be a small shot, but most likely it will stay al N/A. The N/A side just seems to gain more respect, even if you loose and put up a good race if your N/A, people are like that shit aint no joke!!
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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nickn
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Member # 193
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posted
quote:
Originally posted by st5150:
I like to use 80% duty cycle for a nice safe number.... so at 80%, you're good for an extremely safe 460 rwhp all motor with 42 lbs injectors at 40 psi. If you want to keep those 36's, you'll need to pump about 55 psi of fuel pressure through them to get them to flow the same as 42's. Your chip will have to be reburned for part closed loop operation if you're going to go that path. Both are viable options....unless you plan to spray
well that really depends on wet or dry, wet it doesn't matter, it relys on his fuel pump, dry it relys on his fuel pump and injectors.
Posts: 656 | From: Ca | Registered: Mar 2001
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JoeT
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Member # 298
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posted
around 400 flywheel HP, with a 150 shot of nitrous on top ![[patriot]](graemlins/patriot.gif) , you are basically beyond the stock fuel rails capacity and probably whatever intank pump (255lph) you can stuff in there.
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Camara90
1%
Member # 134
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posted
what will the stock fuel rails hold up to rwhp, im most likely going to leave this thing all N/A.
If i need new fuel rails are those aeromotive kits for like 150 able to go right in to the other stuff, also do i need an aeromotive fuel pressure regulator?
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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Stimson
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Member # 51
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posted
Camara90- you can spike up the fuel pressure on some 36's a bit and get away with it, but 42's will definately give you room to grow, its your call. Like JeffS said, stay away from the Lucas brand injectors. Stick with the Ford/Bosch ones. NA, you'll be fine with the stock fuel rails.
nickn- Yeah, I assumed dry... I'm a fan of the dry kit over the wet
Posts: 2373 | Registered: Jun 2000
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93PONY
Mr. Valve Events
Member # 60
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posted
Pst....Sawson, Mike's running 30's currently.
Stock fuel rails are normally good for ~500RW. 94-95 mustangs came with rails that flow a little more than the foxes.
The limits of the stock fuel system & the limits of the stock block are pretty close....I'm more concerned with cracking a block then fuel rails.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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sskiller
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Member # 1564
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posted
Camara your car is pretty damn nice! I saw that vid of you vs.( I think you guys call him whytlie. ) and that was one of the best races I have seen. I just orderd some stuff and should have around 310rwhp. what kinda times do u think u could put down in my car? Since there is lots to do with driving I was wondering what it would be capable of. 93 lx aod with 3.73s and bfg comp ta tires
Posts: 66 | From: St. Louis | Registered: Jul 2002
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jmcclesk
Moderator
Member # 1355
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posted
What is part closed loop operation. the way i understand the eec system. the system operates in open loop and closed loop. but what the heck do i know ![[burnout]](graemlins/burnout.gif)
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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jmcclesk
Moderator
Member # 1355
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posted
What is part closed loop operation. the way i understand the eec system. the system operates in open loop and closed loop. but what the heck do i know
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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Camara90
1%
Member # 134
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posted
sskiller, it is hard to know what kind of times a car could run without having some important facts like weight, and gear. What is the current combo? With 310 and a car at about 3450 like mine with me in it, id say some low to mid 12's could be possible. This would be with a descnet 60 foot time in the low 1.7-1.8 range.
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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sskiller
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Member # 1564
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posted
Thanks for the reply. I'm gonna have a good friend of mine run the car next summer for me cause our track dosen't allow anyone under 18 to drive.
Posts: 66 | From: St. Louis | Registered: Jul 2002
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Stimson
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Member # 51
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posted
quote:
Originally posted by jmcclesk:
What is part closed loop operation. the way i understand the eec system. the system operates in open loop and closed loop. but what the heck do i know
Its a special thing called a TYPO! Read that reply again, its fixed ![[Big Grin]](biggrin.gif)
Posts: 2373 | Registered: Jun 2000
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