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Wet or Dry nitro. Whats the best way to go?

  • Thread starter Thread starter Redsnake2
  • Start date Start date Nov 18, 2006

Redsnake2

New Member
Aug 8, 2005
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Philly, PA
Nov 18, 2006
#1
  • Nov 18, 2006
  • #1
ok got the turbo installed and I wanna add some laughing gas to the system also. I always here about wet or dry systems but which is the best and does it matter? can anyone chime in on this for me..
 

Pokageek

Active Member
Jun 10, 2005
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MA, USA
Nov 18, 2006
#2
  • Nov 18, 2006
  • #2
Wet can allow for MORE overall HP. Dry is easier to set up. Took minutes for mine! Dry is nice for turbo I would think cause it cools the intake charge! My kit is new (used only once and I am going supercharger) and comes with the bottle warmer. That is a must have for cooler climates. Pm me if you are interested.

p.s. No shipping if you wanted to pic it up and my bottle is near full cause I only tried it one time, lol.
 

Redsnake2

New Member
Aug 8, 2005
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Philly, PA
Nov 19, 2006
#3
  • Nov 19, 2006
  • #3
Aawwww man I would love too, BUT!! money is real low right now. anyway thanks for the offer
 

OrangeMustangGt

Founding Member
Mar 7, 2002
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Cape Cod, MA
Nov 19, 2006
#4
  • Nov 19, 2006
  • #4
one thing i always wondered about nitrous...

I know on a wet system your spraying fuel and nitrous, BUT how does a dry kit add fuel....i know you use the efi system, but how does it add fuel when you spray?
does it send a positive spike to the FPR to add fuel?
 

legalize420

Active Member
May 21, 2005
1,541
1
37
South Florida
Nov 19, 2006
#5
  • Nov 19, 2006
  • #5
GreenMustangGt said:
one thing i always wondered about nitrous...

I know on a wet system your spraying fuel and nitrous, BUT how does a dry kit add fuel....i know you use the efi system, but how does it add fuel when you spray?
does it send a positive spike to the FPR to add fuel?
Click to expand...


yes. also a fuel pressure saftey switch so if the pressure is not there it will not spray.
 

Yobi1Kanobi

Member
Apr 9, 2003
559
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16
Nov 19, 2006
#6
  • Nov 19, 2006
  • #6
You already have a turbo right...then go with a dry kit really only using about a 25 shot to cool the intake charge down. Or spray it on the cooler. You wont need more than that on a turbo car. It has a different effect on turbo cars than on naturally aspirated cars.
 
B

bimmertech

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May 3, 2005
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merriam, ks
Nov 19, 2006
#7
  • Nov 19, 2006
  • #7
legalize420 said:
yes. also a fuel pressure saftey switch so if the pressure is not there it will not spray.
Click to expand...

i hate fp saftey switches. imo they are as helpful as msd rev limiters with n2o. i have seen more grenaded stuff because of those 2 than i have anything else.

if it were me i would use some meth inj and a switch chip--much more forgiving.
 

Pokageek

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Jun 10, 2005
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Nov 19, 2006
#8
  • Nov 19, 2006
  • #8
bimmertech said:
i hate fp saftey switches. imo they are as helpful as msd rev limiters with n2o. i have seen more grenaded stuff because of those 2 than i have anything else.

if it were me i would use some meth inj and a switch chip--much more forgiving.
Click to expand...

MSD aside...talking nitrous here. These kits are much more advanced now and alot safer. My kit comes with a box(computer) not a switch. If the bottle pressure isn't there, you don't want it to spray..so it doesn't. The computer also raises the fuel pressure as needed. Mine tested very well and SAFE on the dyno.
 
B

bimmertech

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May 3, 2005
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merriam, ks
Nov 19, 2006
#9
  • Nov 19, 2006
  • #9
Pokageek said:
MSD aside...talking nitrous here. These kits are much more advanced now and alot safer. My kit comes with a box(computer) not a switch. If the bottle pressure isn't there, you don't want it to spray..so it doesn't. The computer also raises the fuel pressure as needed. Mine tested very well and SAFE on the dyno.
Click to expand...

thanks bud, i ran a zex kit on 2 diff cars over the last 5 years.

the fact remains, fuel pressure safety switches cause more harm than good.
 

Pokageek

Active Member
Jun 10, 2005
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Nov 19, 2006
#10
  • Nov 19, 2006
  • #10
That's nice to know. My tuner probably has more experience than you and me put together. He likes the new systems and thinks they work well.
 
N

Nagash01WS6

New Member
Apr 15, 2003
402
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0
Deland, FL
Nov 20, 2006
#11
  • Nov 20, 2006
  • #11
GreenMustangGt said:
one thing i always wondered about nitrous...

I know on a wet system your spraying fuel and nitrous, BUT how does a dry kit add fuel....i know you use the efi system, but how does it add fuel when you spray?
does it send a positive spike to the FPR to add fuel?
Click to expand...

The MAF senses the colder air and adds additional fuel.
 

Methodical

15 Year Member
Dec 1, 2003
1,192
11
59
Clinton, MD
Nov 20, 2006
#12
  • Nov 20, 2006
  • #12
Nagash01WS6 said:
The MAF senses the colder air and adds additional fuel.
Click to expand...

How does the MAF sensor sense colder air when the spray nozzle sits after the MAF sensor?
 

Pokageek

Active Member
Jun 10, 2005
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MA, USA
Nov 20, 2006
#13
  • Nov 20, 2006
  • #13
Maybe he sprays it into the MAF? I wouldn't recommend that.
 
N

Nagash01WS6

New Member
Apr 15, 2003
402
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0
Deland, FL
Dec 6, 2006
#14
  • Dec 6, 2006
  • #14
Methodical said:
How does the MAF sensor sense colder air when the spray nozzle sits after the MAF sensor?
Click to expand...



In that case it doesnt and you run lean.

How else will the computer know that nitrous is getting in there?
 

Pokageek

Active Member
Jun 10, 2005
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Dec 6, 2006
#15
  • Dec 6, 2006
  • #15
In my system the computer box measures it as needed. Never had any problems.
 

94gts

Member
Jul 4, 2004
873
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16
Carmel, New York
Dec 6, 2006
#16
  • Dec 6, 2006
  • #16
Nagash01WS6 said:
The MAF senses the colder air and adds additional fuel.
Click to expand...

thats how the ls1 system is set up.


i know the holley (NOS) dry kits use an inline pump that turns on when you are spraying. my freind has that kit on his 88 and he sprays a 150 dry shot.
 
N

Nagash01WS6

New Member
Apr 15, 2003
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Dec 8, 2006
#17
  • Dec 8, 2006
  • #17
94gts said:
thats how the ls1 system is set up.


i know the holley (NOS) dry kits use an inline pump that turns on when you are spraying. my freind has that kit on his 88 and he sprays a 150 dry shot.
Click to expand...

What... it just jacks up the fuel pressure?
 

reddy351

10 Year Member
Jun 13, 2006
560
12
38
Columbus, Ohio
Dec 8, 2006
#18
  • Dec 8, 2006
  • #18
I have seen the one that uses nitrous pressure to spike the FPR. Seems like a good idea.

For a turbo, I agree with keeping the spray at about 25-50 hp because of the intercooling effect. You would probably pick up A LOT more than 25-50 more hp, because of that. Boost makes heat. Heat makes detonation. Detonation causes the PCM to pull timing. Pulled timing=less hp. The spray would significantly reduce the heat caused by the boost. So, not only would you pick up the 25-50hp, but you would also get back what you would lose because of heat. Woo-hoo!
 
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