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: 1966 chevelle, largest tire that i can fit? tdjr66 Mar 26th, 02, 9:05 AM I have a 66' chevelle convertible that has 420hp, 3.55's posi. I would like to keep the ralley 15" wheels. what is the largest tire I Can stuff under this car with out having to change anything and still be able to steer and not have tire rub Knee_Knocker Mar 26th, 02, 4:02 PM I have BFGoodrich 295-50-15s under the back of my 66 Convertible, and I have not cut the outer lip at all...even run the factory wheel well moulding... The back ride on 15X8 ralleys, but I did have them custom built (offset)from Wheel Vintiques. I don't recall the offset I chose, but I blew it anyway, because they rubbed the inner fender. A spacer on the brake drum cured that... They were really reasonably priced (like $60), but that was a few years ago... Just measure the inner, outer, and brake drum flange and figure what offset you need to get the wheel centered in the wheel well... Up front, I am running BFG 265-50-15s on a stock 15X7 ralley wheel (1970's Monte Carlo rim). I am also running disc brakes from a 1972 Chevelle, which supposedly move the wheels out slightly... I used to have the car REALLY LOW (5-6 inches lower than stock), and it was okay, minor front rubbing at a full turn, but nothing major... Had to raise the car though, as my headers were about 1-inch off the ground... I literally took off the "dots" on the road when I changed lanes... I have not seen any other 66 Chevelles with this size tire... Usually about a 275-60-15 is the biggest most people put under... I do run all poly-eurathane bushings, which seem to help keep the rearend located well under cornering... ------------------ What's that knockin' on my knee? Why that's only my Tach... [This message has been edited by Knee_Knocker (edited 03-26-2002).] tdjr66 Mar 26th, 02, 5:21 PM hey Knee Knocker, buddy of mine wants to sell me his 255-70r-15 for the back and he has 255-60r-15 for the front. Is the 255-70r-15 to tall to fit? the tires are bfgoodrich ta's. thanks for the other info you gave, very helpful. thanks tdjr66 Knee_Knocker Mar 26th, 02, 8:04 PM I think255 70s should do okay, depending on the rim and how low the car is... I think the 15X7 ralleys might center the wheel in the wheel well, and would fit the 255s... But, I think 255 60s will be wider than 255 70s... Wider on the front? [This message has been edited by Knee_Knocker (edited 03-26-2002).] tdjr66 Mar 26th, 02, 11:42 PM no,255-70r, and 255-60rs, are the same width, 10.04" according to www.dakota-truck.net. (http://www.dakota-truck.net.) They have a pretty cool tire calculator on there. the 70r's are 29.06" tall and the 60rs are 27.05". same width, just 2" taller in the back. tdjr66 66'chevelle convertible SS 57' chevy belair hardtop | ||