I like that design Rich. The screw in types are a PITA to use on a V8 with limited access to the plug holes. What brand is the one you have? Thanks, Gary H. -----Original Message----- >The tester I have just inserts in the plug hole and seals itself by >expansion. It does not screw in at all. You have to hold it securely to >get it started or it pops out but it works good and is very easy. It >does take two guys or a remote starter at least. > >Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.