Wet Vs. Dry NOS systems

EZRIDN · 02-28-2001, 12:05 AM

Just would love to know your thoughts....whats the diffference, is anyone safer than the other, etc.....

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'86 GT.
Gears & Flows

ed1371 · 02-28-2001, 02:03 AM

well, it depends on you application.

There are two schools of thought as to which one is "safer"
1. Dry is safer because there is no fuel injected into the upper intake so it wont pool and backfire...
2. Wet is safer because the fuel injected will prevent a lean condition.

I personally like the dry kit. I have a 150 hp shot and inspect ALL my plugs frequently and havent found any clyl with a lean condition. There is also a fuel pressure safty switch that wont allow the solenoids to open if there isnt sufficiant pressure.

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My Mustang

91 LX Conv. 52,000 orig mi. Hurst shifter, 3.55 grs, NOS 150 dry kit, MSD 6al, MSD timing control, malory coil, pullies, fms adj fuel reg, BBK 70mm tb, Pro-m 75mm maf, battery in trunk, JBA shorties, JBA subs, JBA strut tower brc, dynomax "super turbo" 2 1/2 exhaust, FMS billit distrib, Hotchkis lower cntrl arms, MAC Fenderwell cold air kit, off road h pipe.

84_GT350 · 02-28-2001, 03:23 AM

I like the dry kits as well. They have better fuel distribution compared to wet systems since the Mustang upper intake was never designed to flow fuel, just air. Plate systems work ok, but you still run the chance of fuel puddling and backfiring. A manifold full of nitrous can't ignite, but one full of fuel and nitrous can. Just make sure you study up on fuel requirements of dry systems and learn how to check plugs.

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1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

Mach 1 · 03-01-2001, 12:21 AM

I like the wet systems. The plate between intakes style (nos big shot)eliminates the fuel puddling in upper intake problems, and you still have all the advantages of a wet system.

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1993 GT/AOD
'93 Mustang GT

Fostang · 03-01-2001, 05:10 PM

I'd have to say that I like the wet system. You can add a bigger shot if your engine can take it. The range for dry ones is from 0-100 hp increase. Plus you need to upgrade the injectors for anything more. With the wet one it's more emission friendly. Better gas milage also.

02-28-2001, 12:05 AM	#1
EZRIDN Registered Member Join Date: Jan 1999 Location: U.S.A. Posts: 504	Wet Vs. Dry NOS systems Just would love to know your thoughts....whats the diffference, is anyone safer than the other, etc..... ------------------ '86 GT. Gears & Flows

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02-28-2001, 02:03 AM	#2
ed1371 Registered Member Join Date: Feb 2000 Posts: 469	well, it depends on you application. There are two schools of thought as to which one is "safer" 1. Dry is safer because there is no fuel injected into the upper intake so it wont pool and backfire... 2. Wet is safer because the fuel injected will prevent a lean condition. I personally like the dry kit. I have a 150 hp shot and inspect ALL my plugs frequently and havent found any clyl with a lean condition. There is also a fuel pressure safty switch that wont allow the solenoids to open if there isnt sufficiant pressure. ------------------ My Mustang 91 LX Conv. 52,000 orig mi. Hurst shifter, 3.55 grs, NOS 150 dry kit, MSD 6al, MSD timing control, malory coil, pullies, fms adj fuel reg, BBK 70mm tb, Pro-m 75mm maf, battery in trunk, JBA shorties, JBA subs, JBA strut tower brc, dynomax "super turbo" 2 1/2 exhaust, FMS billit distrib, Hotchkis lower cntrl arms, MAC Fenderwell cold air kit, off road h pipe.

02-28-2001, 03:23 AM	#3
84_GT350 Registered Member Join Date: Apr 1999 Location: Overland Park, KS, USA Posts: 1,631	I like the dry kits as well. They have better fuel distribution compared to wet systems since the Mustang upper intake was never designed to flow fuel, just air. Plate systems work ok, but you still run the chance of fuel puddling and backfiring. A manifold full of nitrous can't ignite, but one full of fuel and nitrous can. Just make sure you study up on fuel requirements of dry systems and learn how to check plugs. ------------------ 1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

03-01-2001, 12:21 AM	#4
Mach 1 Registered Member Join Date: May 1999 Location: Georgia Posts: 3,866	I like the wet systems. The plate between intakes style (nos big shot)eliminates the fuel puddling in upper intake problems, and you still have all the advantages of a wet system. ------------------ 1993 GT/AOD '93 Mustang GT

03-01-2001, 05:10 PM	#5
Fostang Registered Member Join Date: Feb 2001 Location: Stockton, Ca Posts: 599	I'd have to say that I like the wet system. You can add a bigger shot if your engine can take it. The range for dry ones is from 0-100 hp increase. Plus you need to upgrade the injectors for anything more. With the wet one it's more emission friendly. Better gas milage also.