A member here with a '69 is running Boyd Magnetos with 17x8 (4.75 backspace) front and 18x9 (5.25 backspace) rear. I believe the tire sizes are 245/45-17 front and 275/40-18 rear. Try this link http://members.aol.com/GETYOPAPION/69LS1.html
Maybe he will see this and chime in. Good Luck - Jack
A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more!