How much boost on stock bottomend????

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rdoggins
Posts: 38
Joined: Mon Apr 21, 2003 4:46 am
Car: 93 240SX 2JZ/6spd

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How much boost can I run on the Stock bottomend & turbos???

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boileralum00
Posts: 217
Joined: Tue Jul 23, 2002 10:23 am
Car: 94 Miata, 95 FZR600R

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Stock turbos really shouldn't be pushed past 15-16psi for any length of time. Short term burst up to 18-19 (i.e., 1/4 miles runs) can be safe with upgraded fuel & intercoolers. The stock bottom end is very stout, capable of at least 575 RWHP, as demonstrated by ZHOUND. The actualy boost level would depend upon your particular turbo setup, but many people have run 24psi on a stock bottom end (for short runs, not on a daily basis) without any trouble.
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