spark plug thread and pitch ???
Thread Starter
Burning Brakes
Joined: Aug 2000
Posts: 894
Likes: 1
From: Bethel Township Ohio
spark plug thread and pitch ???
decided to change plugs while doing push rods now #4 wont tighten. I guess I'll run a tap through it. Anyone know what the thread and pitch is??
Thanks Dale
Thanks Dale
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Joined: May 2001
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Re: spark plug thread and pitch ??? (DALE C)
Don't know the thread pitch numbers, but there are specific taps out there made just for spark plugs. Check with your favorite parts house or maybe Sears, Snap-On, or the Mac Tool guy.
Got a question. Was your engine completely cold when you removed the plug the first time? Did you take a good look at your old #4 plug? Was there aluminum in the threads? A plug that won't tighten is not a good sign.
Hope your not looking a having to have head pulled and the spark plug thread Heli-Coiled. Let us know how it comes out.
[Modified by Tx99FRC, 6:55 PM 5/30/2002]
Got a question. Was your engine completely cold when you removed the plug the first time? Did you take a good look at your old #4 plug? Was there aluminum in the threads? A plug that won't tighten is not a good sign.
Hope your not looking a having to have head pulled and the spark plug thread Heli-Coiled. Let us know how it comes out.
[Modified by Tx99FRC, 6:55 PM 5/30/2002]
Thread Starter
Burning Brakes
Joined: Aug 2000
Posts: 894
Likes: 1
From: Bethel Township Ohio
Re: spark plug thread and pitch ??? (Tx99FRC)
Yes the engine was cold . The threads look good on the old plugs but they were very tight when they came out I just put them in about 1- 8th to 1quater past snug. I already tried sears. I will try Napa tomorrow.
Thanks Dale
Thanks Dale
Thread Starter
Burning Brakes
Joined: Aug 2000
Posts: 894
Likes: 1
From: Bethel Township Ohio
Re: spark plug thread and pitch ??? (MDT)
Thanks for the help guys. I just put some pipe tape on the plug ran it in and it gabed then I ran it back out removed the tape and tightened it back down. It seems to be fine now but gave me a good scare. The car is on the trailer now and ready to go racing in the morning
