NITROUS OXIDE System Designs | Installation| Wet/Dry/Direct Port

Been searching...99 5.3..???

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Old Feb 15, 2007 | 03:38 PM
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Default Been searching...99 5.3..???

Hey guys, ive been doing a fair amount of searching, and wanted to get some opinions on this. Mods to the truck are

Tranny:
Servos 2nd and 4th, TRans GoHD2, Zincplate and alimunum accum pistons
2600 stall

Motor
Air intake, Headers, xpipe, dual flows, Comp 212/218 cam 918 springs
tb spacer, Dual efans, custom dyno tune

99 5.3rcsb...with stock g80(for now)

Future mods:
Boost of some sort...gonna piece together a turbo kit probably, and a locking rear end

Now Dry or Wet...Seems to be people are saying WET if your gonna mod heavily, but for what reason? Im not worries about $$ variations just facts....I can get NX, NOS, edlebrock, Zex, and Venom for cost on ym account.....Just use there LS1/Lt1 kits? any info would be great

Again, thanks for the opinions...

Last edited by bgray; Feb 15, 2007 at 03:46 PM.
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Old Feb 15, 2007 | 03:39 PM
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most prefer wet.
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Old Feb 15, 2007 | 03:52 PM
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advantage of wet is that you aren't depending on your injectors to provide the extra fuel needed to balance the atmosphere in a bottle
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Old Feb 15, 2007 | 04:03 PM
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Really depends on what size shot you're going to run. As Nick said, you start to depend heavily on the injectors on the larger dry shots, and from the looks of your mods, you probably don't have alot left to spare. I'd go wet
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Old Feb 15, 2007 | 09:35 PM
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Do you know what your duty cycle is? On my 99 I'm at 96% without a cam. You are going to need injectors since you got a 99 and especially since you have a cam. Go WET
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Old Feb 15, 2007 | 09:43 PM
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Originally Posted by 99Silverado5.3
Do you know what your duty cycle is? On my 99 I'm at 96% without a cam. You are going to need injectors since you got a 99 and especially since you have a cam. Go WET
LOL, funny you bring that up because I'm running a 224/224 and my duty cycle is at 97% at only 5k rpms and I"m shifting at 6400 on the 1-2 shift.
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Old Feb 15, 2007 | 09:56 PM
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Originally Posted by RandomHero
LOL, funny you bring that up because I'm running a 224/224 and my duty cycle is at 97% at only 5k rpms and I"m shifting at 6400 on the 1-2 shift.
lol I ordered some 8.1 injectors
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Old Feb 16, 2007 | 08:07 AM
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Originally Posted by 99Silverado5.3
lol I ordered some 8.1 injectors
You'll probably be fine with them. Most I'm seeing is 84% on my stock 8.1L injectors.....on motor.

Last edited by slowprocess; Feb 16, 2007 at 12:52 PM.
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Old Feb 16, 2007 | 12:06 PM
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Originally Posted by slowprocess
You'll probably be fine with them. Most I'm seeing is 84% on my stock 8.1L.....on motor.
how many lbs. are the 8.1s? What about some SVO 30lbs?
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Old Feb 16, 2007 | 12:53 PM
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Originally Posted by Tootall
how many lbs. are the 8.1s? What about some SVO 30lbs?
31lb and I got them with 10 miles on them for $80. Ebay is your friend!
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