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Discussion Starter #1
I have a 05' zx3 duratec 2.0L, air intake and about to replace the exhaust with 2 1/4 piping I know i have to open up the piping for more air flow but i guess my question would be what would be safe for this engine? A 50 shot or 75? I have a t.v. in my car to wich i will be running tuning programs and i am going with the zex system for the safest route. Some replys would be nice. Thanks.
Blkfucusdvr[?|]
 

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Start with the 50 shot, get it running right, and then if you want you can easily go to a 75 ( all you have to do is change the jets ). I would get a tune if going to 75HP. Also read the nitrous sticky at the top of this page, it may answer a few questions.
 

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2.0TooSlow said:
Get a tune and spray a 75 shot. I never even bothered wasting my time with a 50. Go big or go home. Don't be a wuss.
Best to start small for testing though. Err on the side of caution when things can go boom.
 

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yep better to start off smaller unless you have experance with the gas but you would probably not be asking this question if you had.
 
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