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73' Cuda tire height 75 or 70

1973cuda

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Hi I have 15 x 7 summit fast five aluminum rims 4'' back spacing on the rear with 225 /75 r 15 tires that fit there v good,when i put them on the front they rub on the lower fender lip pretty bad; my question is can i use a
205/ 70 r 15 tire or a 215/ 70r 15 tire and get the clearance i need and can you mix the different tire height with any problems.......Thanks for any help
 

Challenger RTA

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// F70/14 Rim Width6 - 7” Section Width 8.75” Overall Diameter26.45” Rolling Circumference 83.10”


Rev./ Mile 762 Tread Width 6.55” /// 205/60R15
91H SL Tire Weight 22 lbs. Rim Width Range 5.5-7.5" Meas. Rim Width 6" Sect. Width 8.2 Tread Width na Overall Diam.24.7" Revs. Per Mile 842

/// P205/70R15
95T SL
680 A B 1,499 lbs. 44 psi 11.5/32" 22 lbs. 5-7" 6" 8.2" 6.7" 26.3" 790 /// P225/50ZR15
90W SL
40 B A 1,301 lbs. 51 psi 4/32" 20 lbs. 6-8" 7" 9.1" 8.7" 23.6" 881 /// 225/50ZR17
94W SL
340 AA A 1,477 lbs. 51 psi 9.5/32" 26 lbs. 6-8" 7" 9.2" 9" 25.9" 803 /// 225/55ZR17
97W SL
340 AA A 1,609 lbs. 51 psi 9.5/32" 27 lbs. 6-8" 7" 9.2" 8.7" 26.8" 777 /// P255/60R15
102S SL
400 A B 1,885 lbs. 35 psi 11/32" 32 lbs. 7-9" 7.5" 10.2" 9.1" 27.1" 769 /// P225/60R15
95S SL
400 A B 1,521 lbs. 35 psi 11/32" 24 lbs. 6-8" 6.5" 9" 7" 25.6" 813
 

Challenger RTA

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A little more on tire sizes.
Standard-Metric

Overall Wheel Diameter 78 series 14" Bias Ply 70 series 14" Bias Ply 60 series 14" Bias Ply 78 series 15" Bias Ply 70 series 15" Bias Ply 60 series 15" Bias Ply 75 series 14" Radial 70 series 14" Radial 60 series 14" Radial 75 series 15" Radial 70 series 15" Radial 60 series 15" Radial 50 series 15" Radial
21.8" - - - - - - - - 165/60 R14 - - - -
22.3" - - - - - - - - 175/60 R14 - - - -
22.7" - - - - - - - - 185/60 R14 - - - -
23.0" - - - - - - - - - 135/75 R15 - - -
23.1" - - - - - - - 165/70 R14 - - - - 205/50 R15
23.2" - - - - - - - - 195/60 R14 - - - -
23.6" - - - - - - - 175/70 R14 - 145/75 R15 - - -
23.7" - - - - - - - - 205/60 R14 - - 185/60 R15 -
23.9" - - - - - - - - - - - - 225/50 R15
24.2" A78-14 - - - - - - 185/70 R14 215/60 R14 155/75 R15 - 195/60 R15 -
24.6" - - - - - - - - 225/60 R14 - - - -
24.7" B78-14 - - - - - - 195/70 R14 - 165/75 R15 - 205/60 R15 -
24.8" - - E60-14 A78-15 - - - - - - - - -
24.9" - - - - - - 185/75 R14 - - - - - -
25.1" - - - - - - - - 235/60 R14 - - - -
25.2" C78-14 - - - - - - - - - 185/70 R15 215/60 R15 -
25.3" - - F60-14 - - - - 205/70 R14 - - - - -
25.4" - - - B78-15 - - - - - - - - -
25.5" D78-14 - - - - E60-15 195/75 R14 - - - - - -
25.6" - - - - - - - - - - - 225/60 R15 -
25.7" - - - - - - - - - - 195/70 R15 - -
25.8" - E70-14 G60-14 C78-15 - - - - - - - - -
25.9" - - - - - F60-15 - 215/70 R14 - 185/75 R15 - - -
26.0" E78-14 - - - - - - - - - - - -
26.1" - - - - - - 205/75 R14 - - - - 235/60 R15 -
26.2" - F70-14 - D78-15 - - - - - - - - -
26.3" - - - - - - - - - - 205/70 R15 - -
26.4" - - H60-14 - E70-15 G60-15 - 225/70 R14 - - - - -
26.5" F78-14 - - - - - - - - 195/75 R15 - - -
26.6" - - - E78-15 - - - - - - - 245/60 R15 -
26.7" - - - - - - 215/75 R14 - - - - - -
26.8" - F70-14 - - - - - - - - - - -
26.9" - - - - F70-15 - - - - - 215/70 R15 - -
27.0" - - - - - - - 235/70 R14 - - - 255/60 R15 -
27.1" G78-14 - - - - H60-15 - - - 205/75 R15 - - -
27.2" - - - F78-15 - - - - - - - - -
27.3" - - - - - - 225/75 R14 - - - - - -
27.4" - - - - - J60-15 - - - - 225/70 R15 - -
27.5" - H70-14 - - G70-15 - - - - - - - -
27.7" - - - G78-15 - - - - - 215/75 R15 - - -
27.8" H78-14 - - - - - - - - - - - -
27.9" - - - - - L60-15 235/75 R14 - - - - - -
28.0" - - - - - - - - - - 235/70 R15 275/60 R15 -
28.1" - - - - H70-15 - - - - - - - -
28.2" J78-14 - - - - - - - - - - - -
28.3" - - - - - - - - - 225/75 R15 - - -
28.4" - - - H78-15 J70-15 - - - - - - - -
28.7" - - - J78-15 - - - - - - - - -
28.9" - - - - L70-15 - - - - 235/75 R15 - - -
29.1" - - - - - - - - - - 255/70 R15 - -
29.3" - - - L78-15 - - - - - - - - -
 

moparleo

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Factory tires were about 26" tall.
No problem staggering them as you don't have ABS brakes.
You should recalibrate your speedo though as yours is reading much slower than your actual speed with those tall rear tires.
 

1973cuda

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thanks challenger rta and moparleo for the help looks like i will try the 205/75 r 15 to gain about 1'' or more clearance according to the chart ; the only problem i have is getting those smaller wide tires to inflate on the bead with the 7'' wide rims.......again thank you
 

moparleo

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Go with the 215/70-15. It is the same height and 154 mm wider. 7" is really too wide for a 205 mm wide tire.
Remember that when calculating overall height, the spindle split the number in half. In other words a tire that is 1" taller will raise the vehicles height 1/2".
Prefered rim width for a 205 /75 is 5.5", 215/70 is 6.5". Any wider and you start to stretch the s/w making a harsher ride
 

1973cuda

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Good Info moparleo, iam going to borrow a couple of rims and tires from a buddy who has a duster with the 205 and 215 tires and see what fits thank you!
 
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