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Turbo guys, does this seem normal?

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Old Sep 1, 2008 | 12:31 PM
  #31  
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Originally Posted by kbracing96
These are the spec's on the 8.1 MARINE injectors...

Part Number 17113739 (OE Part # 25176061)
Direct fit for short G.M. LS1 SUV injectors
Static flow @ 37.95lb/hr @ 43.5PSI / 300KPa (4.31 g/s = 398cc/min)
Static flow @ 43.82lb/hr @ 58PSI / 400KPa (4.97 g/s = 460cc/min) *
Dynamic flow (2.0ms/10.0 ms(pulse width / rep rate)) 6.0 lb/hr @ 43.5PSI (0.748 g/s @ 300KPa)
Coil Resistance: High Impedance / High-Z (No ECM driver modifications required)


The SVO injectors (car injectors) are rated at 42lbs/hr @ 43PSI (3bar) fuel pressure making them about 49lbs/hr @ our 58psi (4bar) fuel pressure. I hope there is no more confusion about this
so i was correct unless i read that wrong. the 8.1 30s and 42s were what they are. the SVO 30s and 42s are higher
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Old Sep 1, 2008 | 12:43 PM
  #32  
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Originally Posted by 7845
so i was correct unless i read that wrong. the 8.1 30s and 42s were what they are. the SVO 30s and 42s are higher
Yes, because Ford rates there injectors for their 3bar (43.5psi) fuel systems where GM uses a 4bar (58psi) fuel system.
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Old Sep 1, 2008 | 04:02 PM
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Originally Posted by kbracing96
These are the spec's on the 8.1 MARINE injectors...

Part Number 17113739 (OE Part # 25176061)
Direct fit for short G.M. LS1 SUV injectors
Static flow @ 37.95lb/hr @ 43.5PSI / 300KPa (4.31 g/s = 398cc/min)
Static flow @ 43.82lb/hr @ 58PSI / 400KPa (4.97 g/s = 460cc/min) *
Dynamic flow (2.0ms/10.0 ms(pulse width / rep rate)) 6.0 lb/hr @ 43.5PSI (0.748 g/s @ 300KPa)
Coil Resistance: High Impedance / High-Z (No ECM driver modifications required)


The SVO injectors (car injectors) are rated at 42lbs/hr @ 43PSI (3bar) fuel pressure making them about 49lbs/hr @ our 58psi (4bar) fuel pressure. I hope there is no more confusion about this
Those are the ones I get in my truck Delphi's
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Old Sep 1, 2008 | 08:06 PM
  #34  
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Originally Posted by 1BADAZZSS
Some people say meth injection is just a band-aid fix for not having enough injectors.
those some people are just mad that a truck on meth just whipped their ***.
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Old Sep 3, 2008 | 10:28 PM
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So...today I asked my builder, Steve at S&L performance (since trtturbo closed down...RIP), to plan on an alky control meth kit, electric cutout and a Magnaflow bullet style muffler (as long as possible) with 3-4 inch diameter, performance tune, more boost, and maybe a boost controller? Any other suggestions from the turbo Gods on this site? You know who you are guys... come on, spill it.
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Old Sep 3, 2008 | 10:44 PM
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You may think about going speed density.
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Old Sep 3, 2008 | 10:47 PM
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Originally Posted by Stoichiometric
You may think about going speed density.
Speed Density is easy to do, and you get rid of the MAF.
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Old Sep 3, 2008 | 11:32 PM
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Originally Posted by ZO6Ted
So...today I asked my builder, Steve at S&L performance (since trtturbo closed down...RIP), to plan on an alky control meth kit, electric cutout and a Magnaflow bullet style muffler (as long as possible) with 3-4 inch diameter, performance tune, more boost, and maybe a boost controller? Any other suggestions from the turbo Gods on this site? You know who you are guys... come on, spill it.
How deep is the budget and how fast do you want to go?
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Old Sep 4, 2008 | 02:37 PM
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Originally Posted by Stoichiometric
You may think about going speed density.
Originally Posted by nonnieselman
Speed Density is easy to do, and you get rid of the MAF.
Last I checked it wasn't available for the '07 Classic but I'll recheck.
Originally Posted by TurboBerserker
How deep is the budget and how fast do you want to go?
Well, that's definitely a relevant question. I'm already feeling guilty for what I've spent since last August even if it is a legitimate business expense. It always comes down to the almighty dollar doesn't it? I think that since another tranny upgrade is in my future and I want to stay with the t67 for now, it would need to be cost effective. Got a good forged short block now, Patriot stg 2's, ported throttle body and intake, cam for good performance & still good gas mileage. I have thought about a 50-75 wet shot to get me gone quicker with my retightened converter. I still have stock wrapped exhaust. Need to pass TX emissions also. I want what everyone wants...more than what is good for me. I was offered a fast 92 setup and passed on it. I won't run drag radials on the street but hell, I dream of a 6.90 and be a REAL DD. You know, have your cake and eat it too. I know I could have made the Vette a 9 second car by now with what I've already spent...but it's not as good of a DD.
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Old Sep 4, 2008 | 05:10 PM
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Given what you've said, I'd not go much further. You are rapidly going to get past the DD threshold if you add much power.

I would focus on getting the most of this current setup -- do the meth, do the tuning, do what you've listed.
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