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Old 09-10-2009, 10:29 AM   #1
mark_p
 
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nitrous results

I thought I would post my nitrous results here since it is a forced induction section. The first dyno sheet is motor only. Stock and after engine work. The second is with with a small tester shot of nitrous and the second is my set up that I run daily. We pulled 5 degrees out and see no knock at all with 91 octane I am spraying through a HSW plate and it comes in real nice. Went through a couple bottle already and this LS3 loves the juice. If anyone here is thinking about nitrous it really brings this car to life.


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Old 09-10-2009, 11:03 AM   #2
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nice.
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Old 09-10-2009, 02:27 PM   #3
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Sweet! Great results there. Tell us more about both the "engine work" that netted you +75rwhp, and tell more about your nitrous setup.
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Old 09-10-2009, 02:58 PM   #4
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Nice results!

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Old 09-10-2009, 03:19 PM   #5
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what size shot 150 or 250?

wet, i assume?
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Old 09-10-2009, 04:03 PM   #6
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those are 125 hp jets. We went a little heavier on the fuel than the kits suggested to get the A/F ratio down to a real safe range.

The engine work is
Comp cam (custom grind) 219 229 and .561 .572 113 lobe (small cam)
921 dual springs
hardened pushrods
kooks Long tubes (1-7/8")
GMPP offroad axle back exhaust (left stock mid pipes in)
New Era intake
ZEX nitrous kit with HSW 360 deg spray plate
Custom tune with 5 degrees retarded fot the nitrous
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Old 09-10-2009, 06:50 PM   #7
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Awesome setup. You are getting 117hp actual from 125hp jets, that's a really good number. Did I miss it? Wet or Dry Kit?
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#5 - 2010 2SS/RS MN6 ABM #142-Silver Rallys-GFX / Med Titanium
My previous Camaros:
#4 - 1994 Z/28 6M Black over Arctic White / Graphite-Red Inserts - traded
#3 - 1981 Z/28 Bright Blue Metallic / Black - sold
#2 - 1970.5 RS Mulsanne Blue / Blue - endo crashed it and parted it out
#1 - 1967 RS Butternut Yellow w/ Black Bumblebee Stripe-RPO D91 / Parchment-Black - sold
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Old 09-11-2009, 07:57 AM   #8
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this si a wet ZEX competition kit. Not the kit they make for the camaro as it has tiny solinoids and is basically cheap. Th FI competition kit is the real deal. I did use HSW spray plate and the HSW jets though. And yes properly tuned in i would expect ~115 out of a 125 hsw jet as they are rated low and generally produce good numbers.
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