Garage Gazette

General Category => GENERAL DISCUSSION TO INCLUDE OFF TOPIC => Topic started by: coolmercury on April 17, 2019, 07:02:33 PM

Title: A handy set of tools
Post by: coolmercury on April 17, 2019, 07:02:33 PM

In years gone by when you screwed up a head by stripping out a spark plug hole you needed this kit.  The top item is the reamer with four sizes----you used the next size up from the stripped size and then used the proper tap to cut new threads.  Then you used a new spark plug to match the new size. 

Title: Re: A handy set of tools
Post by: bonneyman on April 17, 2019, 07:23:23 PM

Ouch, sounds risky! How do you ensure you get all the metal chips out of the bore before starting the engine?   :-[
If the chips were steel then a magnet would work. But heads have been aluminum for quite some time - wouldn't work on those.

Cool tool though! Looks like the forerunner to Helicoils.

Title: Re: A handy set of tools
Post by: john k on April 18, 2019, 04:21:24 AM

what I have seen guys do is hold a vacuum cleaner hose over the spark plug hole while the engine is cranked.  With aluminum shavings,  most should pass through the exhaust valve.

Title: Re: A handy set of tools
Post by: fatfillup on April 18, 2019, 01:27:27 PM

I had one of those kits, I think it sold