What size is the thread on the 5.0 / 5.7 ltr Holden V8? I think it is metric with it being Aussie, about an M20 but just wanted to check. I want to fit a sandwhich plate to run an oil temp / pressure gauge and have a choise of M20 thread or 3/4 NPT.
Thanks
Wednesday 17th May 2006
Thread M20 x 1.5
Hope this helps!
DOUG
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