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-   -   01 Coil-On-Problem. (https://www.miataturbo.net/general-miata-chat-9/01-coil-problem-13001/)

y8s 10-02-2007 09:47 PM


Originally Posted by cjernigan (Post 158808)
Oh come on mount the cover in a mill and use a flycutter. Not that it's what I would do but it would be an incredible waste of time for a smooth surface finish.

busted. fly cutter cuts flat surfaces. drill? reamer?

cjernigan 10-02-2007 10:00 PM

I would personally use a drill or bore reamer for the valve cover. Though you can use a flycutter for boring out a hole if you have a small enough tool holder that allows for a steep enough angle of the cutting tool itself so that it can be sunk into the hole. For things like this intake mani, I don't have a large enough drill or reamer to open this up, the fly cutter works fine even though it is supposed to be used for flat surfaces.
http://i47.photobucket.com/albums/f1...h/DSC08462.jpg
http://i47.photobucket.com/albums/f1...h/DSC08463.jpg
I would only do it with a soft material such as aluminum but in a pinch it works. I never said it was the best tool for the job.

Ben 10-02-2007 10:10 PM

come build me an exahust and you can use the drill press. got all the bits. :)

y8s 10-09-2007 10:22 AM


Originally Posted by Ben (Post 158020)
like I said, I will put calipers on both next time I go to my dad's. hopefully by the end of the week or the weekend.

moo?

anyone else?

Ben 10-09-2007 10:38 AM

haha, sorry dude I forgot to do it Saturday.
I'll do it next time I'm there, promise. I'll put a reminder note in my car.

cjernigan 06-05-2008 11:35 PM

90080-19015 Toyota COP measures to .960" at the largest spot that would be inserted into the valve cover.

99-00 valve cover spark plug hole measures out to 1.017"


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