will running one tire smaller(spare) blow front diff?

Discussion in 'General Chevy & GM Tech Questions' started by kawasaki_kid, Jan 23, 2010.

  1. kawasaki_kid

    kawasaki_kid Rockstar 100 Posts

    My spare is only a 31 at most, my other four are 33's. someone informed me its much cheaper to tow then blow a diff. makes sense to me in the rear because its driving and supposed to be posi. will running a one tire smaller on my front axle blow that diff as well if the 4wheel is not engaged?
  2. nos351wcm

    nos351wcm Rockstar

    Your front diff is an open diff, however b/c the tires are different sizes, your spider gears will getting a work out. I believe you should be ok, just do not drive fast.
  3. Chevyboy96

    Chevyboy96 Rockstar 4 Years ROTM Winner 100 Posts

    If you need to, run it on the front. And only as long as you have to...
  4. ahm1127

    ahm1127 Rockstar 100 Posts

    Use for a short period to get home but remove ASAP as the others have said. I always have 5 tires the same size, even if 1 is a different brand (spare only).

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