Originally Posted by rcindia

I know this question has been asked and debated to death. Can I use OS plugs on P5 engine? I am willing to take the risk of not being able to use the Nova plugs again. The Nova plugs are expensive and out of stock on amain. We have a race coming up and pals have OS plugs. Just need to know if it will seat well and won't make the engine run erratic?

Will greatly appreciate your quick response.