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4g64 freeze plug size

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lauj2gdsm

15+ Year Contributor
327
2
Jan 16, 2005
stockton, California
do any one know what size freeze plugs are use to plug extra holes in a galant 4g64 sohc block?
 
Most of the core plugs are 35mm. There are a couple that are 40mm. Defiant would have a heart attack with this thread title.
 
Last edited:
5/8 and 1/2 plug will hand fit but once i knock it down it just fall all the way through. my other ones a 18.26mm they fit fine.. whats the metric spec for 1/2 and 5/8?
 
1/2 - 13mm 5/8 is appox 16 mm
 
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