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Shot me 3 deer!!!
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9,247 Posts
No, it does not, it all depends on the tune and what shot you are running. a lower shot is just fine. people get into trouble when they try putting a 200 shot on a motor that can only handle a 100. if you run a 35-50 shot on stock internals and tune right, you will be just fine!
 

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Focus "Sleeper"
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1,619 Posts
Its not dangerous, as long as you follow the rules. One of the members on here (I think his username is viney466) has been running the juice on is car for over 50K miles.
 

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Shot me 3 deer!!!
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9,247 Posts
or pm squillyB, he used it, though he blew his engine, i think he was running a crazy shot, like a 150 or so.
 

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C2H5OH
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11,867 Posts
The question is ambiguous and thus has no proper answer.

If done improperly any modification can hurt an engine.
Basically you can add Nitrous Oxide so long as you have the proper fuel and spark retard and you do not exceed the limits of any of the associated parts, e.g. too high of combustion pressure.
 

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Focus "Sleeper"
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1,619 Posts
^^ Precicely.
 

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RIP 02 SVT 0209
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3,944 Posts
um might look into this..
"i need NOS" lol
 

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Sonic Mk3 Crew #03
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1,844 Posts
Good Tune 150 shot all day...
 

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Shot me 3 deer!!!
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9,247 Posts
^^^150??? on stock zetec internals??
 

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Registered
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199 Posts
Let me be the first to say yes it does hurt the engine.
But so does over revving, racing, lack of maintenance, etc...

Pretty much any gain will have a negative impact on the life of the engine, It's just a matter of knowing where you stand on the risk vs. rewards scale.

From what I've read in this thread it sounds like a 50 shot is pretty conservative on that scale.
 
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