2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 07-23-02, 11:31 PM
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Premium Gas

I have been informed that I could run 89 octane (super)
in my 88 Turbo II. But I'm pretty sure that it is not ok to use anything less than 91 octane. Just wondering.
Old 07-23-02, 11:38 PM
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Re: Premium Gas

Originally posted by Fokker
I have been informed that I could run 89 octane (super)
in my 88 Turbo II. But I'm pretty sure that it is not ok to use anything less than 91 octane. Just wondering.
'86-'88 have the lower compression rotors so I think it would be okay to run 89 octane. However, if you boost up...91 would be best.

Let me get some help here guys! I only use the 107 stuff so I'm not sure if this would be feasible.
Old 07-24-02, 12:24 AM
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For a T2 you will get the best power with a research octane of 91 or 92. Anything above 92 will be wasted unless the car has mods.
Old 07-24-02, 02:05 AM
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Well I live in Texas and the difference between super and premium is 89 and 93. On top of that the engine that I have is going to be replaced very soon. So I guess 89 wouldn't be to bad.
Old 07-24-02, 02:08 AM
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I use 93 in my modded TII.
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