I would call US Radiator or any other company that you are considering direct to get your questions answered. Then go to any source such as Classic Industries to place the order. Dennis C. Bill M wrote: > > Sorry guys...try this again... > > That's a good point. Should I go with a copper 4-core or an aluminum 2 > core= > . > Classic industries for example shows US Radiator units. They have a > 4-core > copper and they are describing it as basically a "standard duty. My > current > unit has 3 coires so I'm sure going to a 4 will be an improvement. They > als= > o > show a 2-core copper stating it's HD and for high horsepower > applications. > > Does the aluminum transfer heat THAT much better than copper? I can get > either for $372 delivered...but I gotta act fast before the discount > code > exipres. NEither description gives a fin count. > > Bill M > 65 Coronet 500 'vert http://1962to1965mopar.ornocar.com/mmo62008.html > 73 Dart Sport, 00 Cherokee Sport, 05 Ram 2500 CTD, 4WD, QC, LB, Laramie > 21 Model T Depot Hack, 92 Accord, 06 Mazda 3 > > On Sat, May 7, 2011 at 12:15 AM, Dennis C. <dennis.2914@xxxxxxxxx> > wrote: > > > > I'll second that, I had mine in the 383 rebuilt and it did not turn out > > well. > > > > The new core had too low of a fin count. =C2=A0The number of tubes was > > correct but the fin count was only around 10 per inch. =C2=A0I even > > tried= > a > > shroud without any luck. =C2=A0Finally an old radiator guy showed me the > > problem and told me in Yuma I would not be able to cool with my > > radiator. > > > > That is when I bought a new one from US Radiator, 4 rows of tubes and > > much tighter fin count - all is good now. > > > > Dennis C. 1996 Dodge Ram 3500 Van Conversion 1964 Plymouth Belvedere 318 Auto 1963 Plymouth Sport Fury 383 4-speed 1949 Dodge Pickup 289/C4 soon to be changed 1998 Honda Valkyrie Standard ---- 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.