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#1 |
Lexus & 550's
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Run 93 octane max and use that extra cash to save for high quality parts....
110 doesnt make horsepower and only protects you from predetonation..... Isnt necessary untill about 15psi + w/ a turbo
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1990 Toyota Supra Turbo A/T ------------------------------------------------ Questions about oil? take a look http://www.supramania.com/aehaas/ |
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#2 |
SP58GT
Join Date: Jul 2005
Location: USA
Posts: 633
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I run 20psi with 92 octane.
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Nate ![]() ![]() |
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#3 |
3" Exhaust
Join Date: Jan 2006
Location: Arizona
Posts: 96
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the highest here in arizona is premium only 91 octane. if i use 89 which is mid grade at first it wasnt knocking i ran like that for a few days but when driving her pretty hard :P ;].... haha.... she started knocking so gave the gas to my brother and wont use 89 anymore.
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Thread | Thread Starter | Forum | Replies | Last Post |
87 MkIII vs 89MkIII -- parts interchange | willblock | MKIII Supra | 5 | 07-24-2016 06:27 PM |