[AD removed for archives] ------------------------------------------------------------------- Click Here for the #1 Investigative tool on the Net! caadlCpbOyW3Na/Web Detective ------------------------------------------------------------------- I was wondering if tapping and installing threaded plugs in the core plug holes add any significant strength to the block, or is this just done to prevent the factory plugs from coming out from coolant pressure and/or the block flexing? My plumber brother has the taps, so I guess it's a matter of is it really beneficial? I could tap the head core plugs also. Any racers out there doing this? Joe "I'm not a Doctor, but I'll take a look" ;-) [Non-text portions of this message have been removed] [AD removed for archives] ------------------------------------------------------------------- Sign up today for a No Annual Fee Discover® Platinum Card and get? 0% Intro APR on Purchases & Balance Transfers for 8 Months, Up to 2% Cashback Bonus® reward on your purchases & 100% fraud protection. caadlRMbOyW3Nf/DiscoverCard ------------------------------------------------------------------- ---- 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! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html. bOyW3N.