Is It Safe To Run A 75 Hp Dry Shot Of NOS On The New L's?
 

I have been looking into installing a 75 hp shot of NOS on my L and had a few questions before I do. I have noticed that several L owners have been running 100-125 shots of NOS without any problems. My biggest concern is to make sure that I don't cause harm to my motor. I want to make sure that I don't blow a motor or head gasket. If I get my chip tuned properly and stick with the 75 hp shot do I have to worry about doing harm to my motor?

Thanks,

HANKFAN

btt

Never done it,Never will but not for the reasons you are asking about,

From what I have heard,75-100 will not at all harm your motor if properly tuned and if used right.I also heard it is kinda good for motors.Wether or not i believe that,I cant be sure.any extra pressure on pistons,bearings ,and tolerances does not turn me on .Not enough for a few tenths.If I had a run of the mill 5.0 stang and i could knock off 1.5 seconds by juicing it,i would.I just would not in a 30k limited production truck Hope this helps. my .02

Can't answer much of your question but as for what Lightningquick said about it being good of bad for the motor, here is what I have seen and heard:

The low nitrous setups (like a 75hp shot) create an intercooling affect in the blower and reduces intake charge temps and keeps the air cooler reducing the chances of detonation. Now if you step up to much bigger units, then I can see it causing problems. I also have a friend that has a 64 Nova with a custom Pete Thompson motor and a 6-71 huffer on top, twin holley 1050's and the whole nine yards running low 9 second passes in the 1/4. He runs nitrous not as a power adder but as an intercooler affect for his blower and has been able to increase the boost without detonation.

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GO HARD OR GO HOME........
*Red 2000 SVT Lightning
*Leer Lo-Rider Bed Cover
*Swanson Performance Chip
*Adopted 3/29/00, #221
*352RWHP / 432RWTQ with Chip
-98 Mustang GT Convertible, Built 4.6L,
Supercharged with FRPP Eaton M112 @ 12psi
To many handling/engine mods to list.....

I'd like to get a 75hp dry shot one day if the bottle doesn't need continual filling. I've never messed with nitrous and know nothing about it.

How long will the bottle last? I know - if your foot's not in it it'll last a long time. Really, like how many 1/4 passes will the bottle go and how much to fill it?

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Jim
Black '00
#1,757 built 3/30/00
Clear corners
J.L. Single program
J.L. Stage II ram-air

Hankfan: i don't see any problems with a 75 shot if you have a properly tuned chip. i was using a 75 shot last fall with my *RACE* chip and had a little detonation so i shut it off mid track it still went 12.20 i will be offering a no2 chip for guys/gals who want to spray! i look for my truck to go mid to low 11's come spring with a 100 shot! if i can help just e-mail me.. https://www.f150online.com/f150board/smile.gif JL

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93 cobra 10.90@127.00
99 lightning (black)
e.t. 12.41 @ 110.8
best mph 110.8
60 ft. 1.79
JL superchip
JL ram air
Level 10 shift kit
SuperChip Dist.!
(Man i love this truck!)
_ _____________________ _
JohnnyLightning Performance
E-mail: jlightningracing@cs.com
WEB:webtechnik.com/johnnylightning

75 and 100 dry will not hurt it if you get it tuned right. But I would recomind a wet system. We are running faster on a 75 wet than we did on the 100 dry. Dont use the NOS on the street, you will have no traction... On a 75 shot you should get about ~8~ 1/4 mile runs on a full 10Lbs bottle. 100 shot ~6~. Would also recomind mixing you 93 pump gas with 5 gallons of 104 or 110. If you have any other questions try e-mailing dad at wyldman@houston.rr.com

JL, how much does you truck weigh?

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Thomas 'Lightning Boy' Shelton
SVTPerformance.com
BOARD MODERATOR:
-Dynos, Time slips, and best ETs
-Nitrous/Forced Induction

[This message has been edited by Lightning Boy (edited 12-30-2000).]

go for the gusto my cuz..........

oops


[This message has been edited by Lightning Boy (edited 12-31-2000).]

gforce:

NOS says that a 10lb. bottle lasts 100 seconds (10 sec. per pound).

It's a fun 100 seconds though....


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Rich
1999.5 SVT Lightning - Red. 100HP Shot NOS, BellTech 3/4 drop, Super Chip(TRAC). K&N Filter. Viper Alarm w/remote start, Sir Michael's roll pan, smooth corners and steps w/billet inserts, clear corner lenses, Cervinis Ram Air hood, ARE Cover w/ wing, Momo billet pedals, cd changer, cover, Phantom boost and nitrous gauges, MTX Thunderform w/ 2 10" MTX Thunder 4000 subs. 5-channel 500w. Clarion amp.(APA5241), (4)Polk Audio 3-way, 130w. DX 7's, Color-matched Muth signal mirrors, Soundproofed cab, BedRug, Trenz billet grills, Piaa 9007 Super Whites, etc. Build #2755
TampaSVT@Tampabay.rr.com

http://home.tampabay.rr.com/tampasvt/

2001 PT Cruiser - Limited Edition
1999.5 Expedition XLT

L boy: when i ran those times it weighed 4,650 https://www.f150online.com/f150board/smile.gif

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93 cobra 10.90@127.00
99 lightning (black)
e.t. 12.41 @ 110.8
best mph 110.8
60 ft. 1.79
JL superchip
JL ram air
JL Powercooler
2# pulley
Level 10 shift kit
SuperChip Dist.!
(Man i love this truck!)
_ _ _________________ _ _
JohnnyLightning Performance
E-mail: jlightningracing@cs.com
WEB:webtechnik.com/johnnylightning

I will concur that you will get ~8 full 1/4 mile passes on a 75 shot. That's not flowing a lot of nitrous...but may be plenty for a blown engine to handle.

Also for you nitrous "newbies", you should ALWAYS have the gas matted when on the nitrous. Otherwise, you will end up with holes in your pistons. Nitrous is only meant to be used at full throttle. I don't have space to go into why this is the case.

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Wes Tarbox
90 LX 5.0 (10.69 @ 134.7)--597rwhp/590rwtq
96 Cobra (12.34 @ 115.8)--392rwhp/433rwtq
99 Lightning (13.20 @ 103.8)--364rwhp/447rwtq
00 Expedition XLT 5.4
http://members.aol.com/Wa2fst/index.html

Thanks guys for the info on the tank's capacity. How easy and how much to fill it?

Wes, I think I remember reading something about being floored when it comes on. No mid-range stuff or serious damage can occur because of lean-out causing detonation. Is that the simplistic version of what you're talking about?

What is the difference between a "wet-shot" and a "dry-shot"? I'm interested in a cooling effect because the summers in the Ohio Valley get very hot and humid, and my truck feels it.

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Jim
Black '00
#1,757 built 3/30/00
Clear corners
J.L. Single program
J.L. Stage II ram-air

JL's truck was flyin' that day. 12.20 were very impressive. So does mean that you will be adding a roll cage JL?? https://www.f150online.com/f150board/biggrin.gif That would look cool. I have a few people interested in designing one for our trucks..

Anyone know if NOS will be allowed for the WFC4?? Maybe I should give it a try https://www.f150online.com/f150board/wink.gif

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Spiro-"The Greek"
BLK. #1476

Best run to date
12.373 @110.15
Best 60` 1.76
@ 4800 lbs.
On Pump Fuel
_________________________
JDM Engineering- Ford Specialist
_________________________

Johnny Lightning Performance
http://www.webtechnik.com/johnnylightning

"Empty Pockets Racing"Drag Race Team NJ-DE
Spiro99SVT@aol.com
LAUNCH HARD !!!




[This message has been edited by Spiro99SVT (edited 01-01-2001).]

Wet shot safer than a dry? It _totally_ depends upon the application. I would surmise that the wet might be safer on an L motor...where there is basically no intake...just the blower sitting up there shoving air into the cylinders.

I'm not going to argue the efficiencies of each kit. I agree that you will probably see a bit more power increase from a properly setup wet kit than a dry kit. There are certainly limits to shoving more fuel into the injectors to get fuel enrichment (dry kit), but at a 75-150hp level...this is not a problem. Ask me how I know.

But, in an application like many late model FI motors where they use "long-runner" intakes, a dry shot is much safer than a wet shot. Getting any fuel "puddling" in the intake due to long-runner plenum designs is a big no-no...and it happens. This is a system that has a much greater risk of a catastrophic backfire than a dry kit.

As far as activation goes, it should always be at WOT, and should never be when you are lugging the motor. You want the motor to be accelerating rapidly when you hit the nitrous. For instance, if you're doing 70mph and you hit it, you would rather be in 2nd than 3rd. 3rd will be lugging the motor...it will not be accelerating as quickly as if it is in 2nd. Most chips will have the truck downshift into 2nd if you go full throttle at 70mph anyway.

The reason is b/c you have to be able to burn all that extra oxygen, or you will run lean. If you inject the nitrous at 2000rpm, you get the same amount of nitrous in the engine as if you inject it at 5000rpm. Obviously, at 5000rpm, the engine is moving a lot more air, so its safer at this rpm. At 2000rpm, the air requirements are much lower, and injecting too much oxygen (without the engine accelerating) can blow a hole in a piston.

None of this should happen if its set up correctly...trust me. And a 75hp shot is nothing. I would advise running one stage colder spark plug...and possibly narrowing the gap a bit (depending what the recommended gap is for stock...I honestly don't remember). Since I can't see it being used often on the street, mix some 100-105 unleaded race fuel in. Of course, have the chip reprogrammed for nitrous like JDM, Spiro, and JL are doing.

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Wes Tarbox
90 LX 5.0 (10.69 @ 134.7)--597rwhp/590rwtq
96 Cobra (12.34 @ 115.8)--392rwhp/433rwtq
99 Lightning (13.20 @ 103.8)--364rwhp/447rwtq
00 Expedition XLT 5.4
http://members.aol.com/Wa2fst/index.html