LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related
View Poll Results: Injecotr size?
24#
15
19.23%
28#
3
3.85%
30#
23
29.49%
32#
1
1.28%
36#
4
5.13%
38#
5
6.41%
40#
1
1.28%
42#
17
21.79%
47#
0
0%
48# or Higher
9
11.54%
Voters: 78. You may not vote on this poll

What size injectors are you running? Poll

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Old 04-21-2005, 10:36 AM
  #31  
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Re: What size injectors are you running? Poll

Originally Posted by Shawn 97 Z28 M6
30# .. 45psi ... 550rwhp on da nawz
Can we assume that its a "wet" nawz system? If so, what you've posted is sort of meaningless. It its a dry system, you've performed a miracle

Its not useful to quote "rwHP", since its the flywheelHP that sets the injector size. And hopefully, everyone realizes that the injectors are not used to supply the extra fuel in a wet nitrous system.
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Old 04-21-2005, 01:33 PM
  #32  
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Re: What size injectors are you running? Poll

I'm running 37# Racetronix.

Dean
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Old 04-21-2005, 01:52 PM
  #33  
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Re: What size injectors are you running? Poll

Injectors in the Sig!
SVO'S @43psi
I dont know how to fiGure FWHP but I put down
417rwhp/ 410 lbtq
I assume if you figure at 17% its 488fwhp.

Last edited by BRENTT94Z; 04-21-2005 at 01:56 PM.
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Old 04-21-2005, 03:24 PM
  #34  
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Re: What size injectors are you running? Poll

Brent , what cam are you useing.
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Old 04-22-2005, 07:25 AM
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Re: What size injectors are you running? Poll

Originally Posted by vette40th
Brent , what cam are you useing.
Its simular to a Comp Exteme cam, In the high 24x range @.50
and .6xx Lift, on a 112 LSA.
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Old 04-22-2005, 11:05 AM
  #36  
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Re: What size injectors are you running? Poll

Sounds mean.
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Old 04-22-2005, 11:13 AM
  #37  
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Re: What size injectors are you running? Poll

Mine are the biggest
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Old 04-22-2005, 11:38 AM
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Re: What size injectors are you running? Poll

Originally Posted by BRENTT94Z
Its simular to a Comp Exteme cam, In the high 24x range @.50
and .6xx Lift, on a 112 LSA.
with this cam have you got 412rwhp?? I found that odd.. It should be at least 440-450rwhp
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Old 04-22-2005, 03:27 PM
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Re: What size injectors are you running? Poll

Originally Posted by JustNO
with this cam have you got 412rwhp?? I found that odd.. It should be at least 440-450rwhp
My heads are holding me back.
They are LE1 heads and rough flow numbers @.600 or only 262 IN and 170 EX.
I believe thats where my problem lies. Also using stock valves. Loyd did these heads about 3 years ago and has picked up a few more tricks since then. Also, not complaining, but it is through the Moser 12 bolt. I hear rumors you lose 20-25rwhp as apposed to the stock 10 bolt.

Oh, and its 417rwhp, not 412.
I need that extra 5 since Im on the low side anyway

Last edited by BRENTT94Z; 04-22-2005 at 03:30 PM.
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Old 04-22-2005, 03:42 PM
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Re: What size injectors are you running? Poll

You are not in the low side lol I didn't see your heads specs sorry. If you go with LE3 You can easily see 460-470rwhp.
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Old 04-22-2005, 03:58 PM
  #41  
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Smile Re: What size injectors are you running? Poll

Originally Posted by rskrause
Mine are the biggest
You're the oldest too, gramps!

42s from Racetronix with Racetronix' PnP fuel pump. 43.5 (stock) FP.

Ryan
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Old 04-22-2005, 04:03 PM
  #42  
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Re: What size injectors are you running? Poll

Originally Posted by 96speed
You're the oldest too, gramps!

42s from Racetronix with Racetronix' PnP fuel pump. 43.5 (stock) FP.

Ryan
What is your hp at flywheel.. I'm asking this for the formula.
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Old 04-22-2005, 04:26 PM
  #43  
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Re: What size injectors are you running? Poll

Sorry. No hard numbers. ~500 is conservative. Expectations (IOW, I bought the injectors based off the expectation) are in the 550fwhp range.

Ryan
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Old 04-22-2005, 04:31 PM
  #44  
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Re: What size injectors are you running? Poll

550fwhp (same as mine) good choice of inj size! I will use 37lb inj @ 58FP (4 bar)
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Old 04-22-2005, 05:46 PM
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Re: What size injectors are you running? Poll

With my mods.. what injectors would be good?? I never thought about changing them... will it help?
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