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im in the process of getting ready to buy a 89 turbo supra hardtop. i have no clue about toyotas other than i love the way the mk3 looks. my uncle has a na one but wont sell it to me. anyways i was wondering whats the stock boost level for a stock supra. are there any major problems i should be aware of and how hard are they to maintain and work on.
 

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if tuned right you can push more than 290 to the wheels on a stock motor. just replace head gasket and keep it in good maintainance
 

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Take my Advice, DO NOT BUY AN N/A, Unless you just want the chassis to throw a 1j or 2j into it. Head gaskets are the big one, Like said before, Metal HG. Know that the injectors are VERY LOUD, and that there is nothing wrong with your car if you hear a nice and loud ticking. I've seen 400 on the Stock Motor BTW...
 

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the 7m is a non interference motor so the valves are ok.
 
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