14mm threaded mandrel for cylinder heads???

bclapham

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#2
eric put a link up ages ago, but heaven knows where it is- try doing a search on squish or similar head terms and it might find it. maybe in erics forum also?
 
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#3
jman.

They are very easy to make. Take an old spark plug and break the porcelain
part off of it leaving the metal housing with the threads. Then weld a 3/4" diameter piece of bar stock to it.

Be sure to use eye protection when breaking off the porcelain.

Good luck. :thumb:
 

Jman271

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#5
Ol'89er, I need this to be true as is will be spinning on a lathe @ about 1200rpm. I will check around a bit, thanks for the hot tip though,,,
 

marcusgunby

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#6
the guy that did my head used that method-and showed me it was true to a very good tolerance after machining.
 
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#7
They are available from various high performance shops. I will try to get some info.

Chris
 

EricGorr

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#10
Jman, I use the Goodson tool, its great deal for under $25. Off-set plug heads have to be fastened to a faceplate because there is no commercial tool available for those types of heads.