chiefmd Posted November 14, 2016 Share Posted November 14, 2016 1973 240z with 350 sbc. 225/50 x 16 tires. What would be a good highway driving tire pressure? Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted November 14, 2016 Share Posted November 14, 2016 26-28psi, maybe(?) Quote Link to comment Share on other sites More sharing options...
310z Posted December 18, 2016 Share Posted December 18, 2016 (edited) 33 psi. in the front and 29 psi. in the rear is where my car likes it best. Yours may be slightly different. http://forums.hybridz.org/topic/83577-the-build-of-a-240z-by-310z/page-5 Edited December 18, 2016 by 310z Quote Link to comment Share on other sites More sharing options...
jhm Posted December 18, 2016 Share Posted December 18, 2016 What tires? Usually, the manufacturer's recommendation will give the optimum mix of comfort and performance for everyday driving...it's printed on the sidewalk. Quote Link to comment Share on other sites More sharing options...
BLOZ UP Posted December 22, 2016 Share Posted December 22, 2016 Most tires just have max pressure/bead seat pressure on the side. Door sill will have OE specs at OE weight. You might be able to go lower. Mine are at 32psi highway, I go to like 25 at the drags. Quote Link to comment Share on other sites More sharing options...
jhm Posted December 22, 2016 Share Posted December 22, 2016 Sorry....meant to say that pressure recommendations can often be found on the manufacturers and vendors websites. TIreRack.com is a good source of data. The right answer will vary for every driver, based on numerous variables. Tire construction methods, compounds and materials vary significantly; and they all affect a tire's comfort, performance and wear characteristics. What I find "comfortable" may be intolerable to others. Some highways are in great shape....others are a crumbling mess full of potholes, expansion seams, etc. Experimenting with different pressures will yield the best result for you. Quote Link to comment Share on other sites More sharing options...
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