The inflation figures on the door are COLD inflation numbers. If you want the ultimate tire pressures, get the front and rear axles of the van weighed and adjust the pressure accordingly. Say the front end weighs in at 2500lbs and the rear is 2800lbs (1250/1400 per corner). Your tires are say 1500 lbs @ 50 PSI. The formula would be as follows: 50 RR 50 FF ---- = ---- ---- = ---- 1500 1400 1500 1250 RR (rear) = 46.6 PSI FF (front) = 41.6 PSI The above formulas work out well when you are using non-standard tires sizes like 225/75R16 which will not show up on any door sticker! David Marshall Fast Forward Automotive Inc. 4356 Quesnel-Hixon Road Quesnel BC Canada V2J 6Z3 http://www.fastforward.ca mailto:sales@fastforward.ca Phone: (250) 992 7775 FAX: (250) 992 1160 - Vanagon Accessories and Engine Conversions - Vanagon, Transporter and Iltis Sales and Importation - European Lighting for most Volkswagen models
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-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf Of Jason Willenbrock Sent: July 20, 2004 11:36 AM To: vanagon@GERRY.VANAGON.COM Subject: syncro-tire pressure
hey all, my recommended tire presssure for my 14 inch wheels on my 87 syncro westy is 36 in front and 40 in rear. so this psi is done when cold. after driving a some highway miles in this heat the tires heat up significantly and the pressure of course increases. the increase is 4 psi all around. should i adjust for this increase and let air out, or is this increase taken into consideration and allowed for? i don't want my new vc to be working anymore than it has to. so do i let air aout when a lot of driving is going to be done, or just don't worry about it and make sure the psi is the same on the rears and the fronts? thanks jason _________________________________________________________________ Planning a family vacation? Check out the MSN Family Travel guide! http://dollar.msn.com |
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