I agree with Don...I used his Old Reliable book as much as I could when I built the 426 for my Polara 2 years ago and I hung the stock pistons backwards like he suggests. The motor has over 1600 miles on it now and hasn't had any issues to date. Runs strong, too. Don Dulmage wrote: > > > no joke I have been experimenting with this since the late 60s and lets > clear the record. the offset is to prevent piston slap should the piston > become worn. i have yet to hear one slap and foriegn stuff never had it. > Smokey was a strong supporter of doing this as well and even went so far > as to say he would have new pistons made that way too. gain is > reportably 15 HP. from experience it is enough to be noticable and when > you have enough of these enough to be noticiable improvements you have a > very powerful motor. It is not the big shiny high dollar stuff that > makes you fast it is a steady acccumlation of a bit here and a bit there > that will put you on top. I explain the reversal thing in the last dvd > producer Stephen Sheahan made here at the shop(he has them on his mopar > website i think. ). I show the offset and speak my piece about it. I > believe what i say is "there is 15 hp here to be had at no cost but f > you dont want to do because you are afraid or becuase someone told you > it wouldnt work thats fine but when that camaro beats you by just that > much just remember i told you how to get 15 more hp but you didnt have > the guts to do it." > Sometimes i can be a heartless B----- > Don > Author of > Return to Deutschland (True Adventure) > Old Reliable (Mopar) > http://altonapublicschool.faithweb.com/ > > http://seniordragster.bravehost.com/index.html > [Non-text portions of this message have been removed] > Jeff Adams 64 Polara ---- 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.