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Author
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Topic: Nitrous as a power gain
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 03-15-2003 04:49 PM
   
I'm seriously starting to consider nitrous as a power adder because its the cheapest way to gain a lot. I've considered heads(too much $$) and a bigger cam (which I still may do, but no bigger than a 268h or 270h), but nitrous seems the easiest way to gain. I know theres lots of technical issues with it though. I've read n20mike's helpful information and it seems complicated. What I want to know is how much nitrous I can safely run, and how much of a gain will it give me on the strip. My first priority is safety of the engine. I want this motor to last as if it never saw n20. Second, of course, is power. I've heard of some junkyard small blocks taking a 300 hp shot and not blowing up, but I don even want to go close to that. I have a stock rebuilt 289, bored .030 over. Performer intake manifold, holley 600 4bbl, hooker headers and dual exhuast. Stock fuel pump (new with rebuild) and I will upgrade to the crane XR-i electronic ignition (copy of the pertronix unit). Now that you know what I have, what do you suggest? thanks
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steve'66
Gearhead Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-15-2003 08:11 PM
It's ok if you can stay with a 75 or 100 shot without becoming addicted and needing larger doses to satisfy your cravings.  Larger doses need an engine that was built for n2o. Follow all the precauctions and run a seperate fule system for the n2o injectors. It's not cheap to spray either, at about $10 per run, but the initial expense is lower. SteveW
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-15-2003 08:17 PM
I'd do a cam and gears before any Nitrous.
How fast do you want to run. ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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mustangboy
Gearhead Posts: 774
From: Ont, Canada
Registered: Mar 2002
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posted 03-15-2003 08:21 PM
I agree with Steve 75 to 100 max.The thing is its not cheap to fill that bottle.The nice thing about building the motor is the power is always there.Sure it costs more up front but I know for me anyway the Nitrous would be too addicting.Its too easy to just add some bigger jets.Also once you get used to that 75hp burst your going to want it all the time and the bottles don't last all that long.Before you know it you will probably have spent more than the price of the mods you wanted to do now.
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JoeD1860
Journeyman Posts: 48
From: Arizona
Registered: Mar 2003
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posted 03-15-2003 08:35 PM
Stret Stang,You better see if your heads can stand added power as is. It sounds like nitrous can get you spinning fast pretty quickly.
I might use it but my engine spins close to 7000 now.
If you use Roush 200 heads they ase listed at just over $800 thru Jegs. It is about 5 dollars a blast to use nitrous, for 10 seconds, plus the initial cost.
If you can swing better heads I sure think that, and a cam and intake, is a better long-range idea.
Ask around and maybe you can find a set of heads that are affordable. Ask on the parts forum here.
My heads are stock 289 heads. Ported, 1.90 & 1.60 valves, guide plates, screw-in studs, good springs all for $500. They can handle nitrous later and are decent as-is. I run a 282S solid cam, which I would not recommend, and it is surprisingly fast on the street with modified, stock heads. Good luck guy,
Joe [This message has been edited by JoeD1860 (edited 03-15-2003).]
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james306
Journeyman Posts: 82
From: falmouth,me,usa
Registered: Feb 2003
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posted 03-16-2003 09:02 PM
i did some figuring awhile ago and with a 100 hp shot it costs you $.50 a second to squirt it.------------------
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