bad heads

[1badblkgt]

i think the heads on my car are messed up, when the caris at higher RPMs the car breaks up, so i think there might be a floating valve im not sure, i dont really beat on my car really and i have only had it for a month it has 86k on it an it still runs strong but i dont know why else it would be breaking up like this. any ideas anyone let me know

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[Redman]

Maybe you are hitting the rev limiter? Either that or you possibly need a tune up.

 

[hj16]

The plugs could be your problem

 

[1badblkgt]

no its not the rev limiter im not stupid lol i dont know i think it possibly could be the heads i just did a tune up new plugs coils oil and all so i dont know

 

[01GTvert]

no its not the rev limiter im not stupid lol i dont know i think it possibly could be the heads i just did a tune up new plugs coils oil and all so i dont know

What plugs and what did you gap the plugs at?

 

[Mr. Unknown]

Check for parts of the spark plug in the cylinders. HAHA :joke:




+1 on a tune up.

 

[Redman]

Did you blow out the dirt from the heads before you pullled the plugs? Because i've seen people have plugs that were not threaded all the way in because there was dirt in the threads.