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On 28 Apr 2002, at 15:30, John Connolly wrote: > the "recommended tire pressure" is a MAXIMUM pressure. Also, VWs weigh a LOT > less then SUVs, and this is why the recommended pressure by VW is so much lower > then the tire rating pressure. By "recommended tire pressure" I believe John is referring to the labeling on the side of the tire that in my experience is more likely to read, "maximum inflation pressure." VW's "recommended tire pressure" for type 3s was 17-18 psi, to which I add a couple of psi to add longevity to the tires. That maximum is just that, the maximum which the tire will withstand. It is in no way a recommendation. The recommendation comes from VW and is MUCH lower. It is a common misconception that there is a single "correct" inflation pressure for a tire. In reality, the tire has a maximum, but the tire and the application determine the correct inflation pressure. For notches/fastbacks/T34s use 19/27 psi. (front/rear.) For squares use 20/30 unloaded and 20/36 fully loaded. EVERYTHING depends on the weight supported by that one tire. Note: These pressures are just for stock 165-15 tires. If you use a different size the correct pressure will be different (wider tires need LESS pressure.) It's all about the tire footprint and the weight per square inch of footprint (pressure.) - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe