I have a Frank Lupo 3000rpm stall converter on my poly. I would run it to about 2500. I let a real racer drive my car and he ran it up to 3800rpm and gained a couple hundredths on my times. Give 'er all she can take is the answer I guess. That's what the engine likes apparently. If you have traction problems then address the tires, shocks, springs, etc.. Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies ====================================================================== Jimmy Peavy wrote: > > higher. > Get it up at least to 2800 > > Donald Gallimore wrote: > > Running a 3800 stall (4200 flash) converter in my '65 Belvedere. I'm > > currently > > launching at 2000 RPM and getting no spin on the tires so there's room > > for a > > harder launch. > > > > > > Question is do I launch at a lower or higher RPM to put more torque to > > the > > tires? My guess is to launch lower. Anybody know of a tech article that > > > > discusses this, what I would consider a very basic question? > > > > Akron Don Gallimore > > > > 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.