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#393391

Thanks for the info. The W16Y plug has a 5/8 reach. it does have the 8-32 thread and is one step colder than the W18. they are about $6.60 a piece. I do not have my engine running yet since rebuild so I haven’t tried them. The Autolite 3076 has a 8-36 thread at the end, so the brass terminal will not fit directly. I suppose one could chase the treads with an 8-32 die and make them work. The AC plugs C77L that were in my engine also had a 3/4 reach. When I get my engine running I will have to see what happens.
Right now in Michigan it is 3 degrees with 30 MPH winds so I won’t be driving vintage cars today!!