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Posted by lauj2gdsm, Mar 6, 2013
Cylinder Head & Short Block - 4G63 cams, valvetrain, pistons, rods, stroker kits, 6-bolt swaps, hybrids, etc. Read this Forum's Strict Guidelines.
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.
5 extra holes on the top of the block, sizes are one-1/2", two-5/8" and two-11/16
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