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well wat kinda mods do you have? and i wouldnt push it past 12...
 

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Overlooked
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Stock levels. If you have to ask then you will probably break something (HG more than likely). Everyone that gets a Supra wants to crank up the boost first thing.
 

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start at around 20psi blow a head gasket then try 19 and so on till you find the magic number, easy :)




















Please dont do this.
 

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Mk3
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68 Posts
Discussion Starter #6
Stock levels. If you have to ask then you will probably break something (HG more than likely). Everyone that gets a Supra wants to crank up the boost first thing.
raising boost was not my first thought when i got the car. was just curious how much stock could handle.
 

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Moderator
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With the injectors and AFM the car has stock, it hits fuel cut around 13 psi. So 12 psi, compared to the stock 7 or 5 or whatever it is, is as high as you'll be seeing.
 

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you'll blow a HG at stock boost. Get arp head bolts installed and then you can go to 12psi if it doesn't cut out.
 
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