Anybody try this tiresize combo?
05-29-2019, 07:49 PM
#1
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Anybody try this tiresize combo?
Has anyone tried?
285/30 r19 front
325/30 r19 rear
The rear diameter is exactly 1" larger with a ratio of r/f ratio 1.039...
285/30 r19 front
325/30 r19 rear
The rear diameter is exactly 1" larger with a ratio of r/f ratio 1.039...
05-29-2019, 11:11 PM
#2
Safety Car
Are you concerned with the difference in diameters throwing a code? I run 295/30-19f and 345/30-19r which is 1.25" difference and I have no issues.
05-30-2019, 02:02 PM
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Yes. I've been reading conflicting info regarding the margin of error the abs traction system can tolerate. I've read within 3% of original diameter, I've also read a rear front ratio of 1.04.
I'd like to keep the diameter taller in front that the standard 275/30 19 size that everyone else uses.
I'd like to keep the diameter taller in front that the standard 275/30 19 size that everyone else uses.
05-30-2019, 02:23 PM
#4
Melting Slicks
For what it's worth those are both OEM sizes but in different combinations. Based on that I would think you're fine.
285/30R19 is OEM Z07/ZR1 size (335/25R20 rear)
325/30R19 is OEM GS/Z06 size (275/35R18 front)
285/30R19 is OEM Z07/ZR1 size (335/25R20 rear)
325/30R19 is OEM GS/Z06 size (275/35R18 front)
05-31-2019, 04:25 PM
#6
Safety Car
the difference/code throwing is a myth.
many of us running square identical tires front and back with zero issue. and thats on track.
my street wheels/tires are that combo u mentioned
many of us running square identical tires front and back with zero issue. and thats on track.
my street wheels/tires are that combo u mentioned
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