twin turbo 331 questions??????? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 12 Old 04-02-2003, 01:11 PM Thread Starter
 
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twin turbo 331 questions??????? injectr size etc.

I HAVE A FEW PROBLEMS THAT COULD BE HELPED WITH YOUR OPINIONS AND EXPERIENCE. I ORDERED A DSS R331 LONGBLOCK AND A TURBO SYSTEM THAT IS SUPPOSED TO BE GOOD FOR APPX. 1000 HP. I AM DOING IT ALL THE RIGHT WAY. TRYING NOT TO CUT CORNERS. I AM UP HERE IN COLORADO.

I AM NOW SEARCHING FOR INJECTORS... I WAS AT A LOCAL SHOP YESTERDAY ASKING FOR 72 LB INJECTORS AND THE GUY LOOKED AT ME LIKE I WAS STUPID. HE SAID THAT 42 LB INJECTORS WOULD DO PLENTY FINE SINCE HIS 400 C.I. WITH A 14 PSI BLOWER ONLY USED 42 LB INJECTORS. HE ALSO SAID 1000HP WAS NOT GOING TO HAPPEN UP HERE (MILE HIGH). THEY OTHER GUY SAID I MIGHT BE ABLE TO GET AWAY WITH 72LB INJ AT SEA LEVEL. I KNOW IT WOULD REQUIRE VERY HIGH OCTANE GAS BUT HE SAID IT WOULD REQUIRE ALCOHOL! (DEFINATELY NOT DOING)
I HAVE SEEN AND HEARD OF MANY 1000HP CAPABLE DAILY DRIVERS THAT DRIVE LOW PSI ON THE STREET.

SO WHAT INJECTORS? IS 1000HP AT ALL POSSIBLE WITH MY COMBO WITH GOOD GAS? ANY HELP OR INPUT IS APPRECIATED!

THANKS


Last edited by mustang50; 04-02-2003 at 01:53 PM.
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post #2 of 12 Old 04-03-2003, 02:28 PM
 
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42.5 lb/hr (700 HP)

55lb/hr (975 hp)*

65lb.hr (1050hp)*

75lb/hr (1200hp)*

84lb/hr (1375hp)*

95lb/hr (1550hp)*

160lb/hr (2500hp+)*

*Please note, in order for these injectors to work with the stock ECM, injector driver modifications will need to be performed. ACCEL SDFI Sequential or SPEED-PRO users do not need any modification.

Rember it is easy to take out fuel but hard to add it. What kind of fuel system do you have? You are going to need a massive fuel pump (or two) for forced induction 1000hp.


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post #3 of 12 Old 01-26-2011, 07:29 PM
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Those numbers are are high maybe at max impedence or flywheel hp? you need call a good tuner

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post #4 of 12 Old 01-26-2011, 07:42 PM
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You'll need larger than 42's for sure.....Go large and tune the fuel out. It's always on tap when needed.
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post #5 of 12 Old 01-26-2011, 07:44 PM
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1,000 rwhp on a 331 will require apx 30psi.
That will be hard to do on pump gas.

42's are way too small.

I would do 96lbs+ injectors if shooting for 1000hp

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post #6 of 12 Old 01-26-2011, 07:59 PM
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1st, ease up on the caps lock.

2nd, many of the guys at theturboforums are using 83lb low impedence injectors for their 750-850rwhp setups (essentially ~1000fwhp). I'm not sure how your altitude will affect things, but I can tell you for sure that my 42lb injectors were around 90% duty cycle at 530rwhp. They had NOTHING left in them.

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post #7 of 12 Old 01-26-2011, 08:49 PM
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Guys this is from 2003.

95 GT-306, cnc Victor Jr's,R intake, GT4788,Glide,E85,28's
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post #8 of 12 Old 01-26-2011, 09:11 PM
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we just made 975 to the tires with a LSX 427 procharger F1c running thru a th-400 with the FMS high imp 80lb injectors, at 80lbs of fuel psi.. the injectors were at 100% duty.. this was on VP113 gas

89 Hatch 6.65 @ 106...
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post #9 of 12 Old 01-26-2011, 09:12 PM
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Originally Posted by TRmustangTR View Post
Guys this is from 2003.
EEkkk.. ole well, LOL...

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post #10 of 12 Old 01-26-2011, 09:58 PM
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Originally Posted by TRmustangTR View Post
Guys this is from 2003.
DOH !!!


KyStang gets first nomination of 2011 for old thread out of nowhere repost of the year.


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post #11 of 12 Old 01-26-2011, 10:24 PM
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DOH !!!


KyStang gets first nomination of 2011 for old thread out of nowhere repost of the year.
+1. Eight years is going to be pretty tough to beat!

-Scott
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post #12 of 12 Old 01-26-2011, 11:20 PM
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Somebody did the same thing yesterday in the5.0/5.8 tech section. 9 year old post and somebody brings it back.

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95 cobra-MM suspension, bolt ons, DD
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