What are the tire pressures for front + rear for a 1990 TT 235/40 ZR 18 95w and 275/35 ZR 18 91w


Asked by mtm70z32 Feb 23, 2013 at 02:16 PM about the 1990 Nissan 300ZX 2 Dr Turbo Hatchback

Question type: Maintenance & Repair

I think these are standard sizes.  Decal on door is gone.  Thanks

3 Answers

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1990 TT 235/40 ZR has a mfr's spec of max 50psl. Need that sticker, quite sure that it's been painted over as someone would not peel it off, possible robbed vehicle? Couldn't trust this car. Is the owners manual in the glove box, where it belongs? You can remove the spraypaint with a little brake fluid and soapy water--and find out!

Tom Demyan

I found the Stock tires pressure for the 1990 300ZX with16" tires was 32 psi Front ; 36 psi rear. Since you have 18ers" you can adjust up 2-3psi. Try different pressures and see what works for you or find that sticker that Bob speaks of.

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Veinticuatro Kilates

I have the same size tires but I have Tein suspension.When I run anything over 34 psi the car run like crap and I loose too much grip...32 psi all around is the sweet spot for me.

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