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How to tell if nitrous was used?

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Old 04-06-2008, 08:02 PM
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Default How to tell if nitrous was used?

Just wondering if there are any ways to tell if nitrous has been used on a car.
Old 04-06-2008, 08:05 PM
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nothing easy, pull the heads, using N2O is an awesome way to clean out the combustion chamber! If it is shiny smooth and clean, then probably yes.
Old 04-06-2008, 09:58 PM
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You could also check all the normal mounting spots to see if any holes have been drilled.
Old 04-06-2008, 10:10 PM
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check the plugs too. if im not mistaken, your suposed to use a colder plug with n20.
Old 04-06-2008, 10:33 PM
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+1...check the plugs and then take a closer look at the typical mounting spots. Ideally, you might also be able to spot where arming switches, etc. had previously been mounted in the cabin.
Old 04-06-2008, 10:51 PM
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Originally Posted by LS1>girlfriend
check the plugs too. if im not mistaken, your suposed to use a colder plug with n20.
usually ngk tr6.one step colder.
Old 04-07-2008, 03:03 AM
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I could tell right away on mine at the dealer. A few of the things I have found include; two side by side holes drilled into the hump between the rear seats and a larger one in the backseat floor, a couple of mounting holes on the inside of the pinchweld underneath, and the needle part of the schrader valve on the fuel rail had been removed. Plus there is a hole in the console in front of the shifter for mounting a switch.
Old 04-07-2008, 07:38 AM
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It was pretty obvious on the Z28 I bought. It had three switches in the center console, one was a push button on a cable all thats still there.
When i first looked at it the bottle mount was still welded to the back seat bracket and the line was run to the engine compartment. In the back there was a lid with a fernco hose and a 3/8" hole drilled in it.
This was a roller and they told me the engine blew up due to nitrous use.
A week later I had to go to the previous owners house and seen the old engine just a block and heads with a hole burned through an exhaust valve.

I plan to turn it back to stock then start over with bolt ons. I have a new console without holes in it, the only evidence left should be the cut off at the seat bracket.
Old 04-07-2008, 08:04 PM
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mine had a switch in the ash tray and the mounts were in the back



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