50 series/60 series Tire's

[jacks62440]

Is there anything Wrong with mixing 50 and 60 Series tire's . I heard somewhere that the older 60's Mopar's Suspension did Not work well with the 50/60 Series Tire's . Is that True What are Your Thoughts

[FredDart]

I have 225/45zr17 in the front and 245/45zr17 in the back. Stock suspension with upg torsion bars (.920), edelbrock performer IAS shocks and HD rear springs. Handles like a porsche. Its a little stiff on rough roads with the low profile tires, but its a charm on nice roads.

Fred

[Evan]

what do you mean "mixing"? Are you asking about different tire sizes on front and back? Either way, there is nothing wrong with lower profile tires. As stated, the ride will be slightly rougher with real low profile, but the handling will also increase. I ran 50 series (295/50r15) on my 75 duster and they looked good, and 60 series (MT L60-14) on my 70.

[mischiefdart]

50 series is the aspect ratio of the tire. That means that the tire's sidewall is half as tall as the tread is wide. You should not have any problems other than a harsher ride with low profile tires.

[jess13]

Do you mean like running a 50 series on the front & then a 60 series on the back, or even the other way around.

This is not 50/60's,  but I ran 70's on the front & 60's on the back.


Anyway,  even if you wish to run all 50's or all 60's, or what ever,    It all comes down to tuning the suspension with the right shocks & spring/torsion bars stiffness,ect,ect,ect......  You would just need to tune to it to get the balance that it needs.

You would really be surprized just how good you can get these old cars to handle,  I cant tell you how many Corvette & Trans Am guy's  I
****** off with my 68 Road Runner.  It had some things going on that I have never seen anyone do before ,  and some things that I have seen come to light in the last few years, but for differnt reasons than I was using it for.  The funny thing was, every time I outran one of those guys in the 1/4 mile,  the first thing out of there mouth would be "yea,  you can beat me in the 1/4 but you cant touch me on a back road" .   They found out different in a real hurry.


Jess

[moparrr07]

the aspect ratio changes the tires sidewall, as others have said- or more importantly the diameter,

nothing wrong with running different front and back as long as you dont mean mix as in side to side