Oil sump plug size

Engines, Transmissions & Final Drive questions and answers

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Locutus
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Re: Oil sump plug size

Postby Locutus » Sat Mar 01, 2014 3:08 pm

M14x1.5
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Locutus
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Re: Oil sump plug size

Postby Locutus » Sat Mar 01, 2014 10:27 pm

Yes - that's the spec of the plug that I'm using and it fits perfectly.

Have you measured your new plug to verify the thread and pitch are correct?
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project.r.racing
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Re: Oil sump plug size

Postby project.r.racing » Sun Mar 02, 2014 9:32 am

didn't the pitch and thread change pre and post 98?
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telsun
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Re: Oil sump plug size

Postby telsun » Thu May 21, 2015 5:53 am

Digging this question up from the archives as want to check the thread size on my 1990 MX5. Anyone confirm for sure please?
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