i have a 2008 nissan 350z and it has cold air intake and a 75 shot of nitrous. it burnt the plugs but they were replaced and now it's missing and running horribly. what is the problem?

Asked by Sep 02, 2015 at 10:41 PM about the 2008 Nissan 350Z Grand Touring

Question type: Maintenance & Repair

17 Answers

Also, the reason it burnt the plugs is because i was spraying a 150 shot of nitrous and thats when it burned 2 plugs. So i replaced them and crunk the car back up and it is missing and after a few cranks, it blew white metal shavings like out of the exhaust. whats the problem?

2,565

well did you put the same kind of plugs in it. with that much power I would run iridiums or palsestar. there might be a coil pack not pluge in right or has a bent pron on the inside of the conecter. there are a cupple things. run a compression test on it.

2,565

Run compression check!!! you might have blown a valve seat valve top of the piston top of the piston ring seat. there are a cupple tings that could have happened but usually if there is metal shavings coming out the exhause it might be catilitic converter if there is still one in there

1 people found this helpful.

it is iridium plugs. everything is hooked up correctly. and also, after a few cranks, it blew white metal shavings like out of the exhaust.

2,565

you are going to have to run compression test bro it sounds like you have no compression on a cupple cyl

okay. also, oil pressure is good, not running hot. and when i cut it off, it sounded like a compressor shuting off.

2,565

with 150 shot it got hot in the cyl's that is WOW

30,055

first of all the plugs need to be 2-3 steps colder !

Best Answer Mark helpful
30,055

and how are you retarding the timming 5 degrees ????

1 people found this helpful.
30,055

and how are you adding the extra gas to it????

2,565

are you using a bigger injector. is it the stock motor that all this has been added on or did you have it rebuilt and different pistons put in it

you take out 1 degree for every 50 horse.

and yes it is a stock motor

2,565

you blew a piston you cant add 150 shot of nos to a stock motor your lucky you didnt blow the pistons out the bottom of the motor

1 people found this helpful.
2,565

compression test !!! if you can see if some one you know has a video scope that you can look down the spark plug holes.

okay. i really appreciate it.

okay, we ran a compression check and it showed that one cylinder was out. why do you think it has no compression and all of the others do?

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