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Old 08-16-2009   #1 (permalink)
Lee Yoder is offline Apprentice

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Default What is teh max nitrous shot without serious lower end mods?

Had a discussion with a buddy concernign nitrous systems. I am wondering what the highest shot I could put on a stock engine without having to beef up the lower end?


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Old 08-16-2009   #2 (permalink)
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i wouldnt go any higher than 75. although you could probably get away with 100 shot as long as you dont abuse it....
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Old 08-16-2009   #3 (permalink)
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That is a difficult question to answer and anyone trying to give a answer is just guessing at best. It has to do with several things being mileage on motor, condition of motor, and if it has been taken care of or beat to s*@t. On a new motor not beefed up i would say 75-100hp shot not on a motor turning 170k miles. Not saying that yours has that just giving a example. Hope this gives you a idea.
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Old 08-16-2009   #4 (permalink)
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Thanks for the feedback guys. 75 is what I was guessing, and my engine has 34000 miles on it, mostly highway.

Later,
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Old 08-16-2009   #5 (permalink)
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50 or 75 horspower. Any more and you're looking for trouble.

If you do start spraying 50 or 75, don't do it often and don't let yourself get greedy because 100 or 125 will do your motor in.
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Old 08-18-2009   #6 (permalink)
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I spray 125 but 100 is what you can spray safly dont bother with 50shot wast of time money and effort of installation.
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Old 08-18-2009   #7 (permalink)
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The 4.0 responds differently to n20 than the 4.6 does. Both apparently have hypereutectic pistons which i've heard is the main failure point in both motors when n20 is the cause.

Personally I wouldn't spray at all, but i've heard that 75 is the highest you can go safely, if n20 can be considered safe for your engine on any level.
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Old 08-18-2009   #8 (permalink)
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I would just use a 50 shot the majority of the time. If you want to go big every once in awhile you could use up to 75, but I wouldn't do any more.
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Old 08-19-2009   #9 (permalink)
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Quote:
Originally Posted by Black05Pony View Post
The 4.0 responds differently to n20 than the 4.6 does. Both apparently have hypereutectic pistons which i've heard is the main failure point in both motors when n20 is the cause.

Personally I wouldn't spray at all, but i've heard that 75 is the highest you can go safely, if n20 can be considered safe for your engine on any level.
anything other than a 75 shot and you need to start thinking about taking some timing out of the engine, or those non-forged pistons will suffer. I remember reading somewhere about this. I finally found the article; 2005 Ford Mustang V6 - Zex S197 Nitrous Kit - 5.0 Mustang & Super Fords Magazine
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Old 08-20-2009   #10 (permalink)
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Yes you get a tune to take timeing out and adjust air fel with the jets. Do some more research on nitrous you find it's not all that bad when used correctly. and the main part that fails is the rods there very weak.
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