Re: [MV] GPW Engine Blocks & Hardened Valve Inserts

jonathon (jemery@execpc.com)
Mon, 23 Aug 1999 21:31:42 -0500

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Maybe in reply to: John Edwards: "[MV] GPW Engine Blocks & Hardened Valve Inserts"

>They are a tight interference fit. About .001-.003" worth.
>The block or head is warmed up, 200 degrees +, and the inserts are frozen
>via CO2 or some other really cold gas/liquid.
>The insert is then pressed in. Generally with an inserter and hammer or
>similar.

.001 to .003 sounds kind of loose to be doing a shrink fit, you can press
that much without doing the hot/cold thing. Let an engine shop do it anyway!

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