245/45/17 or 255/45/17

zdeckich

Amateur Racer
May 10, 2013
233
0
0
Fort Worth, Texas
Hello all, im looking for some tires for my 78 malibu. I just bought new 17x8 wheels with 4.5 bs. Is anyone running a 255/45/17 tire? it seems to me a little taller and a little wider. i will be lowering the back 2 inchs with some drop springs.
 

LS6 Tommy

MalibuRacing Junkie
May 15, 2004
15,847
1
38
North Jersey
I run 255/50R17s on the back. My car has almost a dead-on factory ride height. I used slightly shorter rear springs to get to that ride height. IDK if they're 2" lower than stock, but probably close. My tires are 27" diameter, the stockers are 25.5" diameter, so I had to have lowered it at least 1.5". No rubs anywhere. if you're looking at ending up 2" below factory ride height, IDK if you'll rub or not.

Tommy
 

LS6 Tommy

MalibuRacing Junkie
May 15, 2004
15,847
1
38
North Jersey
I forgot to mention my wheels are 17" x 8", 4.25" bs. I figure the worst that will happen is you might need a 1/4" wheel spacer.

Tommy
 

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