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I am wondering if anyone has used "ULTEM" for their spark plug insulator? Im working on the kerzel H&M engine chose this material over Corian. it machines very well and is a little stiffer than Corian, has good insulating quality's too. I made my plug out of it and it seems to be working very...

can anyone suggest best ignition timing for a Kerzel hit and miss engine. I had it....then lost it, now cant seem to get it back. Any help or suggestions welcome. Thanks

i know lots of folks have built the kerzel engine...how do you connect the carb to the intake? Im leaning toward simply using 1/4" brass tube with loctite or RTV. Is this the right approach? the plans don't specify any threads on the head intake port, so I really don't see an alternative...But...

Building the kerzel Hit and miss. getting frustrated with the point arrangement and Cam flat. I see lots of people running hit and miss engines with the points cam, on the crankshaft, rather than the camshaft. Im wondering if anyone out there knows the drawbacks or advantages to one or the...

Just joined in and hoping to get in on some group builds....

Im in san diego and looking for group build. I have 2 CNC machines, Mini Mill, and sherline 4400 lathe, as well as a jewlers lathe. I have built muli cylinder IC engines and countless live steam projects. Im no expert but Im pretty good and would like to contribute to a group build. Please let...