i have a 93 nissan 240sx with a s13 sr20det red top, i want to know how much i can boost with this setup.....
and i think thats it. its at stock boost rite now, and i want to up the boost but i dont know how much and i dont want to f**k up the engine.
So, most likely you have the stock t25 turbo with the stock 370cc injectors... running premium fuel.. I wouldn't boost more than 14psi or 1 bar to be on the safe side. Too high of boost will over-run your little turbo impeller,create more heat/intake air temp( which equals less hp ), and more boost will lead to detonation (pinging) with the available pump gas. Best bet would be to use a good boost controller like Apexi SAFC or something.. and have your car dyno tuned at a near by shop that does tuning. That way you'll be able to make more power while running safe air/fuel values.
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