Can I use 3.0i tire pressures on my 3.0Si

L

lmacmil

Member
 Indiana, USA
The manual shows 30/35 (front/rear) for 17" wheels on the 3.0i and 33/38 (f/r) for 18" wheels on the 3.0Si. I found these pressures and the 18" tires non-RFT tires to have an overly harsh ride so I just got 17" wheels and tires with higher profiles (45 vs 40/35). Since the 3.0i and 3.0Si weigh virtually the same, I can only assume the higher pressures of the Si are too enhance the handling characteristics. At my age and driving style, a decent ride is much more important than sharp handling (please don't ask why I bought a sports car :D.)

So is there any reason not to run the lower pressures on these 17" tires?
 
The only trouble with using the tyre pressure from a 3.0i to put in your 3.0si is how do you transfer it? via a balloon, or a poly bag, or a length of hose. :D
 
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